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AP 9th Class Biology Bits Chapter 4 Movement of Materials Across the Cell Membrane with Answers

August 11, 2021

Practice the AP 9th Class Biology Bits with Answers Chapter 4 Movement of Materials Across the Cell Membrane on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 9th Class Biology Bits 4th Lesson Movement of Materials Across the Cell Membrane with Answers

I. Choose the correct answers :

Question 1.
Plasma membrane is
A) Permeable
B) Semipermeable
C) Selectively permeable
D) All the above
Answer:
D) All the above

Question 2.
Plasma membrane is present in
A) Only in plants
B) Only in animals
C) Both plants and animals
D) None
Answer:
C) Both plants and animals

Question 3.
Diffusion occurs in this medium.
A) Solids
B) Liquids
C) Gases
D) All
Answer:
D) All

Question 4.
Osmosis occurs in this medium.
A) Solids
B) Liquids
C) Gases
D) None
Answer:
B) Liquids

Question 5.
Semipermeable membrane is necessary for
A) Osmosis
B) Diffusion
C) Both osmosis & diffusion
D) None
Answer:
A) Osmosis

Question 6.
Identify the solvent.
A) Sugar
B) Salt
C) Water
D) Cytoplasm
Answer:
C) Water

Question 7.
Dissolved substance in a solution
A) Solvent
B) Solute
C) Mixture
D) Water
Answer:
B) Solute

Question 8.
Function of plasma membrane is
A) Providing definite shape to semifluid contents in the cell
B) Osmosis
C) Provides flow of information among the cells
D) All
Answer:
D) All

Question 9.
Scientist who worked on diffusion of gases ?
A) Thomas Graham
B) Freddie Mercury
C) David Bowie
D) Bichat
Answer:
A) Thomas Graham

Question 10.
The smell of perfume spread is because of –
A) Osmosis
B) Diffusion
C) Air
D) Endocytosis
Answer:
B) Diffusion

Question 11.
The opening and closing of stomata is due to –
A) Sunlight
B) Osmosis
C) Plasmolysis
D) Endocytosis
Answer:
B) Osmosis

Question 12.
Name the process by which CO₂ ,O₂ move across the cell membrane .
A) Diffusion
B) Osmosis
C) Plasmolysis
D) None
Answer:
A) Diffusion

Question 13.
Plasmolysis occurs due to –
A) Absorption
B) Endosmosis
C) Osmosis
D) Exosmosis
Answer:
D) Exosmosis

Question 14.
A cell placed in hypotonic solution is will –
A) Shrinks
B) Show plasmolysis
C) Swellup
D) No change in the shape or size
Answer:
C) Swellup

Question 15.
Bulk transport occurs through –
A) Endocytosis
B) Exocytosis
C) Endosmosis
D) Both A & B
Answer:
D) Both A & B

Question 16.
Amoeba acquires its food through a process termed as …………………
A) Excytosis
B) Endocytosis
C) Plasmolysis
D) Exocytosis and endocytosis both
Answer:
B) Endocytosis

Question 17.
A cell placed in hypotonic solution bursts up. It is ………………..
A) bacterial cell
B) animal cell
C) fungal cell
D) plant cell
Answer:
B) animal cell

Question 18.
Example for semipermeable membrane …………………..
A) Paper
B) Cloth
C) Egg
D) Plastic
Answer:
C) Egg

Question 19.
Water enters into roots through
A) Exosmosis
B) Endocytosis
C) Osmosis
D) Reverse osmosis
Answer:
C) Osmosis

Question 20.
The principle involved in dialysis …………………
A) Reverse osmosis
B) Endocytosis
C) Osmosis
D) Diffusion
Answer:
C) Osmosis

Question 21.
Osmosis does not takes place in
A) Animal cells
B) Plant cells
C) Bacterial cells
D) Dead cells
Answer:
D) Dead cells

Question 22.
Factor responsible for opening and closing of stomata
A) Temperature
B) Humidity
C) Wind velocity
D) All the above
Answer:
D) All the above

Question 23.
The raisin wrinkles, if kept in salt water because of –
A) Diffusion
B) Exosmosis
C) Endosmosis
D) Osmosis
Answer:
D) Osmosis

Question 24.
The egg placed in salt water …………….
A) Shrinks
B) Swells
C) No change
D) Breaks
Answer:
A) Shrinks

Question 25.
The principle involved in desalination
A) Diffusion
B) Reverse Osmosis
C) Exosmosis
D) None
Answer:
B) Reverse Osmosis

Question 26.
In Greek language, “Osmos” means
A) Pulling
B) Pushing
C) Entering
D) Exit
Answer:
B) Pushing

Question 27.
If the dried vegetables are kept in water they become
A) Shrink
B) Swell
C) Fresh
D) No change
Answer:
C) Fresh

Question 28.
Identify the mismatched pair from the following.
i) Diffusion – Thomas Graham
ii) Osmosis – Mercury and Bowie
iii) Reverse osmosis – Opening and closing of stomata
A) i, iii
B) ii only
C) i only
D) ii, iii
Answer:
D) ii, iii

Question 29.
If a marine fish is kept in fresh water aquarium then it dies because of
A) Osmosis
B) Exosmosis
C) Diffusion
D) Reverse osmosis
Answer:
A) Osmosis

Question 30.
What happens if fresh grapes put in salt water ?
A) size increases
B) size decreases
C) no change
D) burst
Answer:
B) size decreases

Question 31.
Coffee powder and KMNO₄ experiments are done to prove
A) Osmosis
B) Reverse osmosis
C) Exosmosis
D) Diffusion
Answer:
D) Diffusion

Question 32.
Shrinking of egg placed in the salt water is due to
A) osmosis
B) exosmosis
C) diffusion
D) endosmosis
Answer:
B) exosmosis

Question 33.
Swelling of egg placed in the tap water is due to
A) osmosis
B) exosmosis
C) diffusion
D) endosmosis
Answer:
D) endosmosis

Question 34.
The following figure depicts
AP 9th Class Biology Bits Chapter 4 Movement of Materials Across the Cell Membrane 1
A) arrangement for osmosis
B) filtration process equipment
C) it explains diffusion
D) preparation of semipermeable membrane
Answer:
D) preparation of semipermeable membrane

Question 35.
This figure shows
AP 9th Class Biology Bits Chapter 4 Movement of Materials Across the Cell Membrane 2
A) Osmosis
B) Exosmosis
C) Filtration
D) Reverse osmosis
Answer:
C) Filtration

Question 36.
This diagram shows
AP 9th Class Biology Bits Chapter 4 Movement of Materials Across the Cell Membrane 3
A) Osmosis
B) Exosmosis
C) Filtration
D) Reverse osmosis
Answer:
D) Reverse osmosis

Question 37.
Observe the graph given and choose the right statement.
AP 9th Class Biology Bits Chapter 4 Movement of Materials Across the Cell Membrane 4

A) Solution A is more concentrated than B and C.
B) Solution C has less concentration than A and B.
C) Solution B has same concentration to that of A and C.
D) Solution C is more concentrated than A and B.
Answer:
D) Solution C is more concentrated than A and B.

Question 38.
Choose the correct matching from the following.
List – A
1) Osmosis
2) Endocytosis
3) Specialization

List – B
a) Amoeba
b) Microvilli
c) Root hairs
A) 1 – b, 2 – a, 3 – c
B) 1 – c, 2 – b, 3 – a
C) 1 – a, 2 – b, 3 – c
D) 1 – c, 2 – a, 3 – b
Answer:
D) 1 – c, 2 – a, 3 – b

Question 39.
Bhopal gas tragedy happened due to
A) Osmosis
B) Reverse osmosis
C) Diffusion
D) Exosmosis
Answer:
C) Diffusion

II. Match the following :

Group – A	Group – B
1) Thomas Graham	A) Water
2) Freddie Mercury & David Bowie	B) Diffusion of gases
3) Osmosis	C) Reverse osmosis
4) Diffusion	D) Semipermeable membrane
5) Solvent	E) Opening of scent bottle
	F) Sugar

Answer:
1) Thomas Graham – B) Diffusion of gases
2) Freddie Mercury & David Bowie – C) Reverse osmosis
3) Osmosis – D) Semipermeable membrane
4) Diffusion – E) Opening of scent bottle
5) Solvent – A) Water

Question 40.
Doctors administer saline only not the distilled water so that
A) Required salts are provided.
B) Required antibodies are given
C) To increase blood volume
D) To decrease body temperature
Answer:
A) Required salts are provided.

Question 41.
The process, by which some materials when kept in a medium like air and water spread equally throughout is called ………………
A) Diffusion
B) Osmosis
C) Reverse osmosis
D) Saturation
Answer:
A) Diffusion

Question 42.
The chemical required to obtain semi permeable membrane from raw egg is
A) Dil. HCl
B) Sugar solution
C) Salt solution
D) Distilled water
Answer:
A) Dil. HCl

Question 43.
What happens when fresh water Amoeba is kept in salt water
A) Exosmosis occurs, Cell bursts
B) Exosmosis occurs, Cell shrinks
C) Endosmosis occurs, Cell bursts
D) Endosmosis occurs, Cell shrinks
Answer:
B) Exosmosis occurs, Cell shrinks

Question 44.
In our body waste materials are filtered from blood by the process of
A) Replication
B) Endocytosis
C) Osmosis
D) Inhalation
Answer:
C) Osmosis

Question 45.
It allows certain solutes to pass through them
A) Dead cells
B) Selectively permeable membrane
C) Bark
D) None of these
Answer:
B) Selectively permeable membrane

Question 46.
We feel more thirsty if we drink cool drink in summer, because
A) The concentration of cytoplasm is more than cool drink
B) The concentration of cytoplasm is less than cool drink
C) The concentration of both are equal
D) None of these
Answer:
A) The concentration of cytoplasm is more than cool drink

Question 47.
In the experiment of preparation of semi permeable membranes ………………. is used to get egg membrane.
A) HCl
B) Iodine
C) CaCO₃
D) Glycerine
Answer:
A) HCl

Question 48.
Name the principle involved in the functioning of the given below apparatus
AP 9th Class Biology Bits Chapter 4 Movement of Materials Across the Cell Membrane 6
A) Osmosis
B) Reverse osmosis
C) Diffusion
D) A and C
Answer:
B) Reverse osmosis

Question 49.
Observe the following and identify what “P” study for.
AP 9th Class Biology Bits Chapter 4 Movement of Materials Across the Cell Membrane 7
A) Diffusion only
B) Diffusion, filteration
C) Filteration, osmosis
D) Osmosis only
Answer:
D) Osmosis only

Question 50.
The movement of molecules from an area of high concentration to an area of lower concentration is known as
a) osmosis
b) diffusion
c) active transport
d) phagocytosis
A) d only
B) a, b only
C) b only
D) a, d only
Answer:
C) b only

Question 51.
A cell placed in hypotonic solution it bursts up. It is
A) plant cell
B) animal cell
C) bacterial cell
D) fungal cell
Answer:
B) animal cell

Question 52.
Observe the diagram and find the correct statement:
AP 9th Class Biology Bits Chapter 4 Movement of Materials Across the Cell Membrane 8
a) Water molecules leave the cell- Exosmosis
b) Water molecules enter the cell – Endosmosis
c) Water molecules leave the cell – Endosmosis
d) Water molecules enter the cell – Exosmosis
A) c, d only
B) a, b only
C) a only
D) b only
Answer:
B) a, b only

Question 53.
Observe the a, b statements :
a) The flexibility of the membrane to engulf food
b) Amoeba acquires its food by this pro¬cess only
A) Both a, b are incorrect
B) Both a, b correct
C) a correct, b incorrect
D) a incorrect, b correct
Answer:
B) Both a, b correct

Question 54.
What will happen if plasma membrane doesn’t show permeabilility ?
a) Absence of mechanical barrier property to protect the cell
b) It allows all particles into the body
c) It exits in all particles through out the body
A) a, c only
B) a, b, c only
C) c only
D) b, c only
Answer:
B) a, b, c only

Question 55.
You are doing experiments on diffusion in your lab. Find the substance which turns into pink colour when added to water.
A) Silver Nitrate
B) Copper sulphate
C) Potassium permanganate
D) Sodium hydroxide
Answer:
C) Potassium permanganate

Question 56.
You want to prepare a semi-permeable membrane in the lab, you have to
A) wash the eggs with Sulphuric acid
B) keep the raw eggs in dil. HCL for 4-5 hours
C) keep the raw eggs in dil. HCL for 2-3 days
D) wash the eggs repeatedly under tap water
Answer:
B) keep the raw eggs in dil. HCL for 4-5 hours

Question 57.
You keep dry kishmish in a beaker with 100ml of water in your laboratory. Choose the correct picture that shows the result.
AP 9th Class Biology Bits Chapter 4 Movement of Materials Across the Cell Membrane 8
Answer:

Question 58.
After the completion of osmosis experiment in the lab, Keerthi wrote the procedure in her lab record like this :
a) Take the raw potato and boiled potato.
b) Peel-off skins.
c) Pour sugar solution in the potato cup to a level.
d) Cut cube shaped cups from the potato.
e) Keep the potato cup in the bowl with water.
Choose the correct sequence of the above procedure :
A) a, b, c, e, d
B) a, b, c, d, e
C) a, b, e, d, c
D) a, b, d, c, e
Answer:
D) a, b, d, c, e

Question 59.
Observe the diagram and choose what it depicts:
AP 9th Class Biology Bits Chapter 4 Movement of Materials Across the Cell Membrane 11
A) Procedure for diffusion
B) Conventional procedure for filtration
C) Alternative procedure for filtration
D) Modern technic for filtration
Answer:
C) Alternative procedure for filtration

Question 60.
You have given coffee powder, crystals of Potassium permanganate, copper sulphate, petridish, water etc. Using this materials which experiment you can conduct in the lab ?
A) Permeability
B) Osmosis
C) Diffusion
D) Filtration
Answer:
C) Diffusion

AP 9th Class Biology Bits Chapter 3 Animal Tissues with Answers

August 11, 2021

Practice the AP 9th Class Biology Bits with Answers Chapter 3 Animal Tissues on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 9th Class Biology Bits 3rd Lesson Animal Tissues with Answers

I. Choose the correct answers :

Question 1.
Covering or protecting tissue inside or outside of animal body is
A) Epithelial tissue
B) Connective tissue
C) Muscular tissue
D) Nervous tissue
Answer:
A) Epithelial tissue

Question 2.
The tissue which makes connection between organs is called
A) Epithelial tissue
B) Connective tissue
C) Muscular tissue
D) Nervous tissue
Answer:
B) Connective tissue

Question 3.
The tissue which is responsible for movements in our body is
A) Epithelial tissue
B) Connective tissue
C) Muscular tissue
D) Nervous tissue
Answer:
C) Muscular tissue

Question 4.
The tissue that responds to internal and external stimuli is
A) Epithelial tissue
B) Connective tissue
C) Muscular tissue
D) Nervous tissue
Answer:
D) Nervous tissue

Question 5.
Multicellular gland is formed by
A) Connective tissue
B) Epithelial tissue
C) Areolar tissue
D) Adipose tissue
Answer:
B) Epithelial tissue

Question 6.
The scales of fishes, reptiles and feathers of birds grow from which cells ?
A) Epithelial cells
B) Connective tissue
C) Areolar cells
D) Fibroblasts
Answer:
A) Epithelial cells

Question 7.
Fibroblasts are cells present in
A) Cartilage
B) Bone
C) Areolar tissue
D) Ligament
Answer:
C) Areolar tissue

Question 8.
Bone is made up of
A) calcium phosphate
B) calcium carbonate
C) calcium phosphate & calcium carbonate
D) sodium carbonate
Answer:
C) calcium phosphate & calcium carbonate

Question 9.
Tissue found in the joints of bones, tip of ribs, tips of the nose, external ears and in trachea is
A) cartilage
B) bone
C) areolar tissue
D) ligament
Answer:
A) cartilage

Question 10.
The tissue that connects bones at the joints is
A) tendon
B) ligament
C) cartilage
D) adipose tissue
Answer:
B) ligament

Question 11.
Fibres of ligament is made up of a protein called
A) prothrombin
B) fibrinogen
C) heparine
D) collagen
Answer:
D) collagen

Question 12.
The colour of blood in cockroach
A) Red
B) White
C) Blue
D) Green
Answer:
B) White

Question 13.
Blue coloured blood is present in
A) Frog
B) Whale
C) Earthworm
D) Snail
Answer:
D) Snail

Question 14.
Amount of blood present in normal adult human beings
A) 5 litres
B) 4 litres
C) 3 litres
D) 6 litres
Answer:
A) 5 litres

Question 15.
The substance that prevents blood clotting in blood vessels is
A) prothrombin
B) fibrinogen
C) heparine
D) blood platelets
Answer:
C) heparine

Question 16.
Red blood cells are red in colour due to the presence of
A) haemoglobin
B) fibrinogen
C) prothrombin
D) plasma
Answer:
A) haemoglobin

Question 17.
The life span of red blood cell is
A) 130 days
B) 120 days
C) 12 – 13 days
D) 115 days
Answer:
B) 120 days

Question 18.
Scientist who discovered blood groups
A) Karl Landsteiner
B) Carl Ericke
C) Malpighi
D) Robert Anges
Answer:
A) Karl Landsteiner

Question 19.
Red blood cells are generated from
A) adipocytes
B) heparine
C) pancreas
D) bone marrow of long bone
Answer:
D) bone marrow of long bone

Question 20.
Red blood cell with nucleus is present in
A) Camel
B) Ulama
C) Both Camel and Ulama
D) Elephant
Answer:
C) Both Camel and Ulama

Question 21.
Identify the granulocyte.
A) Neutrophils
B) Monocyte
C) Lymphocytes
D) Osteocytes
Answer:
A) Neutrophils

Question 22.
‘Pus’ is formed by
A) Red blood cells
B) White blood cells
C) Adipocytes
D) Osteocytes
Answer:
B) White blood cells

Question 23.
Microscopic policemen are
A) Lymphocytes
B) Monocytes
C) Neutrophils
D) Basophils
Answer:
A) Lymphocytes

Question 24.
The white blood cells that act as scavengers are
A) Lymphocytes
B) Basophils
C) Monocytes
D) Neutrophils
Answer:
C) Monocytes

Question 25.
The cells that help in blood clot
A) Heparine
B) Blood platelets
C) Esinophils
D) Basophils
Answer:
B) Blood platelets

Question 26.
These blood group persons are universal donors
A) ‘AB’ blood group
B) ‘B’ blood group
C) ‘O’ blood group
D) A’ blood group
Answer:
C) ‘O’ blood group

Question 27.
The tissue that helps in increasing or decreasing the diameter of blood vessel
A) connective tissue
B) epithelial tissue
C) muscle tissue
D) blood
Answer:
C) muscle tissue

Question 28.
Cardiac muscles are present in
A) Heart
B) Lung
C) Oesophagus
D) Lining of mouth
Answer:
A) Heart

Question 29.
Smooth muscle of involuntary muscle control
A) movement of food in Alimentary canal
B) contraction of blood vessels
C) relaxation of blood vessels
D) all the above
Answer:
D) all the above

Question 30.
Voluntary muscles are also known as
A) skeletal muscles
B) unstriated muscles
C) smooth muscles
D) all the above
Answer:
A) skeletal muscles

Question 31.
Identify the part in nerve cells.
A) Cell body
B) Axon
C) Dendrite
D) All the above
Answer:
D) All the above

Question 32.
Nissal granules are present in
A) Cell body or Cyton
B) Axon
C) Dendrite
D) Myelin sheath
Answer:
A) Cell body or Cyton

Question 33.
White blood cells are known as
A) Leucocytes
B) Erythrocytes
C) Osteocytes
D) Adipocytes
Answer:
A) Leucocytes

Question 34.
Number of red blood cells present in 1 ml of blood
A) 6 millions
B) 5 millions
C) 4 millions
D) 3 millions
Answer:
B) 5 millions

Question 35.
Cells from the lining of kidney tubules are
A) squamous epithelial cells
B) columnar epithelial cells
C) cuboidal epithelial cells
D) evoidal epithelial cells
Answer:
C) cuboidal epithelial cells

Question 36.
RBC can live for ………………… days in blood.
A) 12 days
B) 100 days
C) 13 days
D) 120 days
Answer:
D) 120 days

Question 37.
Red blood cells with nucleus found in
A) camel
B) dog
C) man
D) lion
Answer:
A) camel

Question 38.
……………… cells are called as scavengers.
A) Lymphocytes
B) Monocytes
C) Neutrophils
D) Basophils
Answer:
B) Monocytes

Question 39.
Universal donors are
A) ‘A’ group
B) ‘B’ group
C) ‘AB’ group
D) ‘O’ group
Answer:
D) ‘O’ group

Question 40.
Blood loss is prevented by
A) RBC
B) WBC
C) Platelets
D) Plasma
Answer:
C) Platelets

Question 41.
Universal recipients are
A) ‘A’ group
B) ‘B’ group
C) ‘AB’ group
D) ‘O’ group
C) ‘AB’ group

Question 42.
Adipose tissue stores
A) fats
B) proteins
C) carbohydrates
D) water
Answer:
A) fats

Question 43.
Striated in its structure and involuntary in action muscles present in
A) legs
B) alimentary canal
C) uterus
D) heart
Answer:
D) heart

Question 44.
Cyton is the name for
A) nerve cell
B) cell body
C) axon
D) dendrites
Answer:
B) cell body

Question 45.
Because of alternate dark and light bands the muscle is called as
A) smooth muscle
B) striated muscle
C) involuntary muscle
D) unstriated muscle
Answer:
B) striated muscle

Question 46.
The plasma of blood contains
A) Hormones
B) Salts
C) Water
D) All the above
Answer:
D) All the above

Question 47.
The connective tissue that connects muscles to bone is called ……………….
A) Cartilage
B) Tendon
C) Ligament
D) None
Answer:
B) Tendon

Question 48.
Blood is one type of ……………..
A) Muscular Tissue
B) Connective Tissue
C) Cartilage
D) Nervous Tissue
Answer:
B) Connective Tissue

Question 49.
The fluid matrix of the blood is called
A) Serum
B) Plasma
C) Granulocytes
D) Agranulocytes
Answer:
B) Plasma

Question 50.
The brain, spinal cord are composed of ………………..
A) Muscular Tissue
B) Cartilage Tissue
C) Nervous Tissue
D) Ligaments
Answer:
A) Muscular Tissue

Question 51.
The tissue that is present in Trachea is ………………….
A) Cartilage
B) Areolar Tissue
C) Adipose tissue
D) Nervous Tissue
Answer:
C) Adipose tissue

Question 52.
Fat storing tissue that is present below the skin and between internal organs ………………..
A) Areolar Tissue
B) Tendons
C) Adipose Tissue
D) Nervous Tissue
Answer:
D) Nervous Tissue

Question 53.
Fibroblasts are seen in ………………..
A) Areolar Tissue
B) Adipose Tissue
C) Muscle Tissue
D) Connective Tissue
Answer:
C) Muscle Tissue

Question 54.
Digestive and respiratory systems of several animals have hair like projections called cilia. What type of tissue is present in cilia ?
A) Cuboidal epithelium
B) Columnar epithelium
C) Ciliated epithelium
D) Squamous epithelium
Answer:
B) Columnar epithelium

Question 55.
Calcium phosphate and Calcium carbonate in bones are secreted by …………………….
A) Bone marrow
B) Osteocytes
C) Collagen
D) Matrix
Answer:
D) Matrix

Question 56.
The tissue that is present beneath the skin, tissue, around the kidneys and in bone marrow –
A) Areolar Tissue
B) Adipose Tissue
C) Cartiage
D) Bone
Answer:
C) Cartiage

Question 57.
Haversian canals can be seen in
A) Adipose Tissue
B) Bone
C) Cartilage
D) Blood
Answer:
B) Bone

Question 58.
The first line defence against bacteria in our blood
A) Basophils
B) Neutrophils
C) Lymphocytes
D) Monocytes
Answer:
D) Monocytes

Question 59.
Red blood cells without nucleus is present in
A) Frog
B) Shark
C) Camel and Llama
D) Sparrow
Answer:
B) Shark

Question 60.
Antibodies are secreted by –
A) Monocytes
B) Lymphocytes
C) Neutrophils
D) Eosinophils
Answer:
C) Neutrophils

Question 61.
Blood present in human body
A) 4 Lts
B) 3 Lts
C) 5 Lts
D) 8 Lts
Answer:
C) 5 Lts

Question 62.
Myocytes are seen in ……………….
A) Non-striated muscles
B) Striated muscles
C) Cardiac muscles
D) Adipose muscles
Answer:
B) Striated muscles

Question 63.
Connective Tissue that joins different tissues in packing and helps to keep the organs in place ………………..
A) Adipose tissue
B) Areolar Tissue
C) Cartilage Tissue
D) Osteocytes
Answer:
C) Cartilage Tissue

Question 64.
Mat cell can be seen in …………………
A) Adipose tissue
B) Cartilage
C) Areolar tissue
D) Blood
Answer:
D) Blood

Question 65.
Grave yard of RBC ……………….
A) Liver
B) Lungs
C) Pancreas
D) Spleen
Answer:
B) Lungs

Question 66.
The tissue that acts as insulator
A) Areolar tissue
B) Adipose tissue
C) Cartilage
D) Bone
Answer:
B) Adipose tissue

Question 67.
Phagocytes are seen in ………………….
A) Adipose tissue
B) Areolar tissue
C) Bone
D) Cartilage
Answer:
C) Bone

Question 68.
Osteocytes are present in
A) Liver
B) Spleen
C) Bone marrow
D) Pancreas
C) Bone marrow

Question 69.
Choose the mismatched pair from the following.
1) Tendon – Muscles to the bone
2) Collagen – Ligament
3) Shark – Frog
A) 1, 3
B) 2, 3
C) 3 only
D) 1 only
Answer:
A) 1, 3

Question 70.
Read the following statements.
a) Neutrophils are called microscopic policemen.
b) Monocytes are called scavengers of the blood
A) a correct, b incorrect
B) b correct, a incorrect
C) Both a, b incorrect
D) Both a, b correct
Answer:
C) Both a, b incorrect

Question 71.
This is not a required material to identify your blood group.
A) Cotton
B) Disposal Needle
C) Bandage
D) 70% alcohol
Answer:
C) Bandage

Question 72.
The following figure depicts
A) Arrangement for osmosis
B) Preparation of semi permeable membrane
AP 9th Class Biology Bits Chapter 3 Animal Tissues 1
C) Arrangement for diffusion
D) Identification of blood group
Answer:
D) Identification of blood group

Content of blood	Lower and upper limits
WBC	5.0 – 10.0 × 10³ cells / ul
RBC	3.5 – 5.5 × 10⁶ cells/ ul
HgB	Men 12- 16 g/dL; Women 9.9 – 13 g/dL
PLT (Platelet count)	1.0 – 3.0 × 10⁵ cells/ ul
Neutrophil	40 – 75%
Lymphocytes	20 – 45%
Eosinophil	1 – 6%
Basophil	0 – 1%
Monocyte	0 – 3%

Question 73.
Which of the following are high in blood ?
A) Monocytes
B) Basophils
C) Eosinophils
D) Lymphocytes
Answer:
D) Lymphocytes

Question 74.
Which of the following are less in blood ?
A) Neutrophils
B) Monocytes
C) Basophils
D) Eosinophils
Answer:
A) Neutrophils

Question 75.
Name the epithelium present in the figure.
AP 9th Class Biology Bits Chapter 3 Animal Tissues 2
A) Cuboidal
B) Squamous
C) Columnar
D) Ciliated
Answer:
D) Ciliated

Question 76.
Name the tissue present in the diagram.
AP 9th Class Biology Bits Chapter 3 Animal Tissues 3
A) Bone
B) Areolar Tissue
C) Adipose Tissue
D) Cartilage Tissue
Answer:
B) Areolar Tissue

Question 77.
Name the labelled part of the figure.
AP 9th Class Biology Bits Chapter 3 Animal Tissues 4
A) Axon
B) Dendrite
C) Myelin sheath
D) Nissal granules
Answer:
B) Dendrite

Question 78.
Identify the muscle tissue in the given figure.
AP 9th Class Biology Bits Chapter 3 Animal Tissues 5
A) Striated muscles
B) Non-striated
C) Cardiac muscles
D) None
Answer:
C) Cardiac muscles

Question 79.
Which of the following is not an ill effect of haemoglobin ?
A) Anaemia
B) Heart problems
C) Blood clotting
D) Hotness of breath
Answer:
C) Blood clotting

Question 80.
Choose the correct matching from the following.
List – A
1) Smooth muscles
2) Skeletal muscles
3) Cardiac muscles

List – B
a) Heart
b) Legs and hands
c) Blood vessels
A) 1 – b, 2 – c, 3 – a
B) 1 – c, 2 – a, 3 – b
C) 1 – a, 2 – b, 3 – c
D) 1 – c, 2 – b, 3 – a
Answer:
C) 1 – a, 2 – b, 3 – c

II. Match the following.
1.

Group – A	Group – B
1) Epithelial tissue	A) Receive and conduct impulses
2) Connective tissue	B) Stores fat
3) Blood tissue	C) Framework and supports various organs in the body
4) Nervous tissue	D) Protection
5) Adipose tissue	E) Transport of
	F) Absorption and secretion
	G) Digestion

Answer:
1) Epithelial tissue – D) Protection
2) Connective tissue – C) Framework and supports various organs in the body
3) Blood tissue – E) Transport of materials
4) Nervous tissue – A) Receive and conduct impulses
5) Adipose tissue – B) Stores fat

Group – A	Group – B
1) Bone	A) Joins different tissues
2) Ligament	B) Found in trachea
3) Tendon	C) Connects bones at joints
4) Cartilage	D) Joins muscle to the bone
5) Areolar tissue	E) Major component skeletal system
	F) Transports material
	G) Living of blood vessel

Answer:
1) Bone – E) Major component skeletal system
2) Ligament – C) Connects bones at joints
3) Tendon – D) Joins muscle to the bone
4) Cartilage – B) Found in trachea
5) Areolar tissue – A) Joins different tissues

Group – A	Group – B
1) Cell body	A) Bone
2) Fat storing tissue	B) Areolar tissue
3) Osteoblasts	C) Cyton
4) Fibroblasts	D) Shark
5) Cartilage	E) Adipose

Answer:
1) Cell body – C) Cyton
2) Fat storing tissue – E) Adipose
3) Osteoblasts – A) Bone
4) Fibroblasts – B) Areolar tissue
5) Cartilage – D) Shark

Group – A	Group – B
1) Erythrocytes	A) WBC
2) Leucocytes	B) Platelets
3) Scavengers	C) Lymphocytes
4) Microscopic policemen	D) RBC
5) Blood clotting	E) Monocytes

Answer:
1) Erythrocytes – D) RBC
2) Leucocytes – A) WBC
3) Scavengers – E) Monocytes
4) Microscopic policemen – C) Lymphocytes
5) Blood clotting – B) Platelets

Group – A	Group – B
1) ‘O’ group	A) Universal recipients
2) AB’ group	B) Axon
3) Myeline sheath	C) Eosinophils
4) Land Steiner	D) Universal donors
5) Granulocytes	E) Blood groups

Answer:
1) ‘O’ group – D) Universal donors
2) AB’ group – A) Universal recipients
3) Myeline sheath – B) Axon
4) Land Steiner – E) Blood groups
5) Granulocytes – C) Eosinophils

III. Identify the diagrams and name them.

AP 9th Class Biology Bits Chapter 3 Animal Tissues 6

Answer:
a) Adipose tissue
b) Areolar tissue
c) Cartilage
d) Striated muscles
e) Non-striated musices
f) Cardiac muscles

2. Identify the diagram and label it.
AP 9th Class Biology Bits Chapter 3 Animal Tissues 8
Answer:
Nerve cell –
1) Dendrite
2) Nerve terminals,
3) Soma (Cell body),
4) Nucleus,
5) Axon,
6) MyelIn sheath.

Question 81.
Identify the cells which play the role of microscopic police men & scavengers.
A) RBCs & platelets
B) Lymphocytes & Monocytes
C) Neutrophils & Basophils
D) Eosinophils & Nerve cells
Answer:
C) Neutrophils & Basophils

Question 82.
The following process is due to a voluntary contraction and relaxation of muscles
A) Heart muscles pumping blood
B) Movement of legs during cycling
C) Respiration in bronchi of the lungs
D) Movement of food in alimentary canal
Answer:
B) Movement of legs during cycling

Question 83.
Tissue that connects muscle to bone is ……………….
A) Ligament
B) Tendon
C) Cartilage
D) Epithelium
Answer:
B) Tendon

Question 84.
Ligament is made up of large number of fibres. These fibres are made up of ……………..
A) Minerals
B) Carbohydrates
C) Collagen
D) Fatty layers
Answer:
C) Collagen

Question 85.
People with …………….. are universal blood recipients.
A) Blood group ‘A’
B) Blood group ‘B’
C) Blood group ‘O’
D) Blood group ‘AB’
Answer:
D) Blood group ‘AB’

Question 86.
Which blood cells are known as Natural Scavengers ?
A) Eosinophils
B) Basophils
C) Monocytes
D) Lymphocytes
Answer:
C) Monocytes

Question 87.
Alternate dark and light bands are seen in which type of muscle tissue?
A) Striated muscle, Cardiac muscle
B) Unstriated muscle, Cardiac muscle
C) Striated muscle, Smooth muscle
D) Striated muscle, Unstriated muscle, Cardiac muscle.
Answer:
A) Striated muscle, Cardiac muscle

Question 88.
I) Prakash blood didn’t show clumping with anti-A antibodies.
II) Hasith’s blood clumped with only anti-A antibodies.
III) Both their blood samples clumped with anti-Rh serum.
Which of the following can be definitely said about blood groups of Hasith and Prakash ?
A) Both are Rh positive
B) Both are A positive
C) Both are Rh negative
D) Prakash is B positive and Hasith is A positive
Answer:
D) Prakash is B positive and Hasith is A positive

Question 89.
Squamous epithelium is found in
A) Lining of mouth
B) Oesophagus
C) Both A and B
D) None of these
Answer:
C) Both A and B

Question 90.
Find the correct statement among the following.
A) Neutrophils are one type of agranulocyte.
B) Basophils attack and destroy only virus.
C) Pus is nothing but decayed WBC.
D) WBC contain haemoglobin.
Answer:
C) Pus is nothing but decayed WBC.

Question 91.
Mohammed learnt about blood in his classroom, having learnt the topic
A) He will take balanced diet and avoid bad habits
B) He will take iron rich food only and will do yoga everyday
C) He will take balanced diet, do yoga and exercise
D) Will take care of his health and promote blood donation
Answer:
D) Will take care of his health and promote blood donation

Question 92.
Rahul’s blood group is AB + he lost lot of blood in an accident. He needs blood transfusion. The blood group suitable to him is ………………..
A) A+
B) B+
C) AB+
D) All the above
Answer:
D) All the above

Question 93.
What happens if the platelets are absent in the blood ?
A) Oxygen is not transported
B) CO₂ is not transported
C) Blood does not clot
D) Microorganism enter into the body
Answer:
C) Blood does not clot

Question 94.
Which of the following blood group is “universal recipient” ?
A) Blood group – A
B) Blood group – AB
C) Blood group – O
D) Blood group – B
Answer:
B) Blood group – AB

Question 95.
Which of the following statements is not true about the given figure ?
AP 9th Class Biology Bits Chapter 3 Animal Tissues 9
A) P helps nerve impulse, Q helps protein synthesis
B) P and Q have a nucleus
C) P and Q are cell organelles
D) P is nerve cell, Q is plant cell
Answer:
B) P and Q have a nucleus (or) C) P and Q are cell organelles

Question 96.
Which labelled cell is found in the Muscular system ?
AP 9th Class Biology Bits Chapter 3 Animal Tissues 10
A) only S
B) only P
C) only R
D) only Q
Answer:
C) only R

Question 97.
Red blood cells: Erythrocytes:: White blood cells: ?
A) Leucocytes
B) Monocytes
C) Thrombocytes
D) Erythrocytes
Answer:
A) Leucocytes

Question 98.
Identify the neuron with axon and more dendrites.
AP 9th Class Biology Bits Chapter 3 Animal Tissues 11
Answer:

Question 99.
Which of the following cellular components of the blood is responsible for the production of antibodies ?
A) Erythrocytes
B) Thrombocytes
C) Lymphocytes
D) Monocytes
Answer:
C) Lymphocytes

Question 100.
If connective tissue is damaged in our body, what would be the consequences
a) Tissues binding capacity decreases
b) Tissues supporting capacity will dis-appear
c) Tissues rigidity increases
d) The body defence, body repair in-creases
e) The transport material from one tis-sue to another increases.
A) a, c, e only
B) a, b, c only
C) b, c, d only
D) c, d, e only
Answer:
B) a, b, c only

Question 101.
Let us observe following information. Identify correct matching.
List – I
1) Lung alveoli
2) Lining of organs
3) Gland
4) Secretions

List – II
a) Squamous epithelium
b) Cuboidal epithelium
c) Columnar epithelium
d) Glandular epithelium
A) 1 – d, 2 – c, 3 – b, 4 – a
B) 1 – a, 2 – b, 3 – c, 4 – d
C) 1 – a, 2 – b, 3 – d, 4 – c
D) 1 – b, 2 – a, 3 – d, 4 – c
Answer:
C) 1 – a, 2 – b, 3 – d, 4 – c

AP 9th Class Biology Bits Chapter 2 Plant Tissues with Answers

August 11, 2021

Practice the AP 9th Class Biology Bits with Answers Chapter 2 Plant Tissues on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 9th Class Biology Bits 2nd Lesson Plant Tissues with Answers

I. Choose the correct answers :

Question 1.
Tissues that bring about overall growth and repair in plants are
A) Meristematic tissue
B) Dermal tissue
C) Ground tissue
D) Vascular tissue
Answer:
A) Meristematic tissue

Question 2.
Tissues that form outer coverings are called as
A) Meristematic tissue
B) Dermal tissue
C) Ground tissue
D) Vascular tissue
Answer:
B) Dermal tissue

Question 3.
Tissues that form the bulk of the plant body are called as
A) Meristematic tissue
B) Dermal tissue
C) Ground tissue
D) Vascular tissue
Answer:
C) Ground tissue

Question 4.
Tissues that help in transport of materials are called
A) Meristematic tissue
B) Dermal tissue
C) Ground tissue
D) Vascular tissue
Answer:
D) Vascular tissue

Question 5.
Meristematic tissues present at the growing tip that bring about growth in length
A) Apical meristem
B) Lateral meristem
C) Intercalary meristem
D) Cambium
Answer:
A) Apical meristem

Question 6.
Dermal tissue forms
A) epidermis
B) mesodermis
C) endodermis
D) all the above
Answer:
D) all the above

Question 7.
Stomata are present in this layer.
A) epidermis
B) mesodermis
C) endodermis
D) all the above
Answer:
A) epidermis

Question 8.
Stomata are enclosed by two
A) secretory cells
B) guard cells
C) gland cells
D) parenchymatous cells
Answer:
B) guard cells

Question 9.
Gum is secreted by
A) Dermal layer
B) Meristematic cells
C) Xylem
D) Phloem
Answer:
A) Dermal layer

Question 10.
Stomata and root hair help in
A) Exchange of gases
B) Transpiration
C) Absorption of water and mineral salts
D) All
Answer:
D) All

Question 11.
The scientist who coined the term parenchyma’ for the pithy part of the plant ?
A) Bichat
B) Nehemiah Grew
C) Robert Brown
D) Aristotle
Answer:
B) Nehemiah Grew

Question 12.
Identify the vascular tissues.
A) Xylem
B) Phloem
C) Both xylem and phloem
D) Sclerenchyma
Answer:
C) Both xylem and phloem

Question 13.
Xylem contains
A) Trachieds, Vessels
B) Xylem fibres
C) Xylem parenchyma
D) All the above
Answer:
D) All the above

Question 14.
Phloem consists of
A) Sieve cells, Sieve tubes
B) Phloem parenchyma
C) Companion cells, Phloem parenchyma
D) All
Answer:
D) All

Question 15.
In Rosewood xylem carries water upto a height of
A) 220 ft
B) 230 ft
C) 330 ft
D) 430 ft
Answer:
C) 330 ft

Question 16.
Parenchyma that contains chloroplasts are called
A) Chlorenchyma
B) Arenchyma
C) Storage tissue
D) Sclerenchyma
Answer:
A) Chlorenchyma

Question 17.
Meristematic tissues are present in growing tips of
A) Root
B) Shoot
C) Both Root & Shoot
D) Lateral parts of stem
Answer:
C) Both Root & Shoot

Question 18.
Identify the xylem element.
A) Trachieds
B) Sieve cells
C) Sieve tubes
D) Companion cells
A) Trachieds

Question 19.
Identify the phloem element.
A) Trachieds
B) Vessels
C) Sieve cells
D) Xylem fibres
Answer:
C) Sieve cells

Question 20.
Meristematic tissue is found in the growing tips of
A) Leaf
B) Stem
C) Root
D) B and C
Answer:
D) B and C

Question 21.
A group of cells alike in form, function and origin are called ……………………
A) Organs
B) Organ system
C) Cells
D) Tissues
Answer:
D) Tissues

Question 22.
Cell walls of xylem cells are thick because
A) Suberin
B) Peetin
C) Cellulose
D) Lignin
Answer:
D) Lignin

Question 23.
Xylem is helpful in ………………
A) conduction of water
B) mechanical strength
C) identifying the plant species
D) all the above
Answer:
D) all the above

Question 24.
Bast fibres present in phloem are useful for –
A) Making toys
B) Making tyres
C) Making ropes
D) Making cloth
Answer:
C) Making ropes

Question 25.
The parenchyma that is present in tubers and rhizomes ………………….
A) Arenchyma
B) Chlorenchyma
C) Storage tissue
D) Water storage
Answer:
C) Storage tissue

Question 26.
The Parenchyma that is seen in Xerophytes (desert plants) ………………..
A) Chlorenchyma
B) Water storage tissue
C) Arenchyma
D) Storage tissue
Answer:
B) Water storage tissue

Question 27.
Lignin is the major component in cell walls of the following tissue –
A) Collenchyma
B) Parenchyma
C) Sclerenchyma
D) Xylem
Answer:
C) Sclerenchyma

Question 28.
This is also called ‘Leptome’.
A) Xylem
B) Phloem
C) Collenchyma
D) Stomata
Answer:
B) Phloem

Question 29.
The girth of the stem or root increases due to
A) Apical meristems
B) Lateral meristems
C) Intercalary meristems
D) All
Answer:
B) Lateral meristems

Question 30.
Xylem and phloem are examples for –
A) Simple tissue
B) Dermal tissue
C) Complex tissue
D) Permanent tissue
Answer:
C) Complex tissue

Question 31.
Sieve tubes and companion cells can be seen in
A) Cambium
B) Cork
C) Phloem
D) Xylem
Answer:
C) Phloem

Question 32.
Gum is secreted from this layer in Neem tree.
A) Meristematic tissue
B) Dermal tissue
C) Vascular tissue
D) Protective tissue
Answer:
B) Dermal tissue

Question 33.
Flexibility and tensile strength in plants is due to
A) Sclerenchyma
B) Collenchyma
C) Arenchyma
D) Chlorenchyma
Answer:
B) Collenchyma

Question 34.
Cambium is also known as ……………….
A) Intercalary meristems
B) Apical meristems
C) Lateral meristems
D) None
Answer:
A) Intercalary meristems

Question 35.
The tissue that is present in herbs and shrubs is
A) Sclerenchyma
B) Chlorenchyma
C) Arenchyma
D) Collenchyma
Answer:
D) Collenchyma

Question 36.
The tissue that protects the parenchyma from damage due to stretching, bending and pressure
A) Collenchyma
B) Arenchyma
C) Sclerenchyma
D) Leptome
Answer:
C) Sclerenchyma

Question 37.
Bark is impervious to gases and water because the walls are made up of ………………
A) Lignin
B) Suberin
C) Cutin
D) Wax
Answer:
B) Suberin

Question 38.
Anatomy of plants” was published by ………………..
A) Robert Brown
B) Robert Hook
C) Aristotle
D) Nehamiah Grew
Answer:
D) Nehamiah Grew

Question 39.
Read the statements.
a) Root tips contain meristematic tissue
b) Husk of coconut contain sclerenchyma tissue
A) a,b incorrect
B) a correct, b incorrect
C) b correct, a incorrect
D) both a, b correct
Answer:
D) both a, b correct

Question 40.
Identify the mismatched pair.
1) Xylem – Mechanical strength
2) Phloem – Leptome
3) Water storage tissue – Hydrophytes
A) 1, 2
B) 2, 3
C) 1, 2, 3
D) 3 only
Answer:
D) 3 only

Question 41.
By the observation of the cell in onion peel under microscope which of the following is wrong statement ?
A) All the cells are similar in shape
B) Cells are arranged in circular
C) Intercellular spaces are present
D) Each cell has cell wall
Answer:
B) Cells are arranged in circular

Question 42.
Which one of the following statements is correct about the onion peel cells and cheek cells that we observed under microscope ?
A) Onion cells has cell wall and cell membrane
B) Cheek cell has cell wall and cell membrane
C) Onion cell has only cell membrane
D) Cheek cell has only cell wall
Answer:
A) Onion cells has cell wall and cell membrane

Read the paragraph and answer the following questions.
Dermal tissue usually consists of a single layer of tissues showing variations in the types of cells. On the basis of their location and function dermal tissues are studied as three different types epidermis (outer layer), mesodermis (middle layer) and endodermis (inner most layer). Small pores are seen in the epidermis of the leaf called stomata. Cells of the roots have long hair like parts, called root hairs. Gum is secreted from the dermal layer of gum tree.
Question 43.
Stomata are seen in ………………
A) dermal tissues of plants
B) epidermis of gum trees
C) epidermis of the leaf
D) epidermis of the stem cells
Answer:
C) epidermis of the leaf

Question 44.
Identify the mismatched pair from the following.
a) Mesodermis – Outer layer
b) Epidermis – Middle layer
e) Endodermis – Innermost layer
A) a, b, c
B) a, b
C) a, c
D) b, c
Answer:
B) a, b

Question 45.
Identify the component of vascular tissue.
AP 9th Class Biology Bits Chapter 2 Plant Tissues 1
A) Fibre
B) Vessel
C) Tracheid
D) Sieve cell
Answer:
B) Vessel

Question 46.
Identify the component of vascular tissue.
AP 9th Class Biology Bits Chapter 2 Plant Tissues 2
A) Scleride
B) Vessel
C) Tracheid
D) None
Answer:
C) Tracheid

Question 47.
AP 9th Class Biology Bits Chapter 2 Plant Tissues 3
Identify the component of the vascular tissue.
A) Companion cells
B) Sclerides
C) Trachieds
D) Sieve cells
Answer:
D) Sieve cells

Question 48.
Arrange the flow chart in the correct order. (
AP 9th Class Biology Bits Chapter 2 Plant Tissues 4
A) 3, 4, 2, 1, 5
B) 1, 2, 3, 4, 5
C) 3, 4, 5, 2, 1
D) 3, 4, 1, 2, 5
Answer:
D) 3, 4, 1, 2, 5

Question 49.
Choose the correct matching from the following.
List – A
1) Arenchyma
2) Transpiration
3) Dermal tissue

List – B
a) Stomata
b) Mesodermis
c) Helps plants to float
A) 1 – b, 2 – a, 3 – c
B) 1 – a, 2 – c, 3 – b
C) 1 – a, 2 – b, 3 – c
D) 1 – c, 2 – a, 3 – b
Answer:
D) 1 – c, 2 – a, 3 – b

Question 50.
Choose the correct matching from the following.
List – A
1) Rhizome
2) Pistia
3) Gaseous exchange

List – B
a) Arenchyma
b) Food storage tissue
c) Stomata
A) 1 – a, 2 – b, 3 – c
B) 1 – b, 2 – c, 3 – a
C) 1 – b, 2 – a, 3 – c
D) 1 – c, 2 – b, 3 – a
Answer:
C) 1 – b, 2 – a, 3 – c

II. Match the following.

Group – A	Group – B
1) Meristematic tissue	A) Protection
2) Xylem	B) Growing region
3) Phloem	C) Conduction of water and minerals
4) Epidermis	D) Transport of food materials
5) Apical Meristem	E) Dividing cells
	F) Mechanical support

Answer:
1) Meristematic tissue – E) Dividing cells
2) Xylem – C) Conduction of water and minerals
3) Phloem – D) Transport of food materials
4) Epidermis – A) Protection
5) Apical Meristem – B) Growing region

Group – A	Group – B
1) Dermal tissue	A) Collenchyma
2) Arenchyma	B) Xylem
3) Mechanical support	C) Helps plant to float
4) Trachieds	D) Mesodermis
5) Transpiration	E) Stomata
	F) Food storage

Answer:
1) Dermal tissue – D) Mesodermis
2) Arenchyma – C) Helps plant to float
3) Mechanical support – A) Collenchyma
4) Trachieds – B) Xylem
5) Transpiration – E) Stomata

III. Identify the diagrams and name them.

1. Identify and name the following diagrams.
AP 9th Class Biology Bits Chapter 2 Plant Tissues 5

Answer:
a) Parenchyma
b) Collenchyma
c) Scierenchyma
d) Xylem, Phloem

2. Identify the diagram and label it.
AP 9th Class Biology Bits Chapter 2 Plant Tissues 7
Answer:
L.S. of a shoot tip :
1) apical meristem
2) lateral meristem
3) intercalary meristem

Question 51.
Put the onion bulb on the mouth of the bottle filled with water, after some days you will observe some growth growing into the bottle as seen in the figure. This experiment can be used to observe …………………
AP 9th Class Biology Bits Chapter 2 Plant Tissues 8
A) Chlorenchyma
B) Aerenchyma
C) Vascular tissue
D) Cells in root tip
Answer:
D) Cells in root tip

Question 52.
The meristematic tissue that is found at the flower stalk is …………….
A) Lateral meristematic tissue
B) Apical meristematic tissue
C) Intercalary meristematic tissue
D) Vascular tissue
Answer:
C) Intercalary meristematic tissue

Question 53.
The tissue that helps in the transportation of the food material to the other parts of the plants is ………………………
A) Conducting tissue
C) Parenchyma tissue
B) Collenchyma tissue
D) Sclerenchyma tissue
Answer:
A) Conducting tissue

Question 54.
The parenchymatous tissue with large air cavities or spaces is called ………………
A) Chlorenchyma
B) Aerenchyma
C) Collenchyma
D) Storage tissue
Answer:
B) Aerenchyma

Question 55.
The plant tissue responsible for overall growth and repair is called
A) Meristematic tissue
B) Dermal tissue
C) Ground tissue
D) Vascular tissue
Answer:
A) Meristematic tissue

Question 56.
Aquatic plants float due to the presence of
A) Parenchyma
B) Aerenchyma
C) Collenchyma
D) Sclerenchyma
Answer:
B) Aerenchyma

Question 57.
Stomata are present in
A) Vascular tissue
B) Meristematic tissue
C) Ground tissue
D) Dermal tissue
Answer:
D) Dermal tissue

Question 58.
Aerenchyma is richly found in
A) Xerophytes
B) Mesophytes
C) Mangrove plants
D) Hydrophytes
Answer:
D) Hydrophytes

Question 59.
AP 9th Class Biology Bits Chapter 2 Plant Tissues 9
Identify the part in the given diagram.
A) Dermal tissue
B) Epidermal cells
C) Guard cells
D) Meristematic cells
Answer:
C) Guard cells

Question 60.
Read the following statements.
i) Vascular tissue comprise of xylem only.
ii) Vascular tissue comprise of xylem and phloem.
A) i, ii both are true
B) i true, ii false
C) i false, ii true
D) i, ii both are false
Answer:
C) i false, ii true

Question 61.
Identify the part labelled ‘X’.
AP 9th Class Biology Bits Chapter 2 Plant Tissues 10
A) Phloem
B) Sieve tube
C) Sieve plate
D) Companion cell
Answer:
B) Sieve tube

Question 62.
Read the following :
Cortex is the major part of the stem represented by several layers of loosely arranged parenchyma tissue.
What is the significant fact about cortex in plants ?
A) Ground tissue
B) A protective tissue
C) Embryological tissue
D) A storage tissue
Answer:
C) Embryological tissue

Question 63.
There are four basic types of tissues in the plants. Meristems help the overall growth.
Which tissue is responsible for increase in the length of the plant ?
A) Epidermis
B) Apical meristem
C) Lateral meristem
D) Inter calary meristem
Answer:
B) Apical meristem

Question 64.
A nail is inserted in the trunk of a tree at a height of 1 metre from the ground level. After 3 years the nail will
A) move sideways
B) move downwards
C) move upwards
D) remain at the same position
Answer:
C) move upwards

Question 65.
Which of the following tissues provides mechanical support and elasticity to plant parts ?
AP 9th Class Biology Bits Chapter 2 Plant Tissues 11
A) P and Q
B) P
C) Q
D) R
Answer:
C) Q

Question 66.
Which of the following statements is true about tissue ?
A) Cells with different structures but the same function
B) Cells with similar structures but have different functions
C) A diverse group of cells that perform no functions
D) Cells with similar structures and functions
Answer:
D) Cells with similar structures and functions

Question 67.
Identify the correct sequence to observe the onion roots while conducting experiment in your laboratory.
a) Observe the structure and arrangement of the cells under the microscope.
b) Take an onion root tip and place it on the slide.
c) Cover it with cover slip and allow to spread the material.
d) Put a drop of water and then a drop of glycerine on it.
A) d, c, b, a
B) a, b. c, d
C) b, d, c, a
D) d, b, c, a
Answer:
C) b, d, c, a

Question 68.
Ramesh observed the following picture like structure in the microscope by preparing a temporary mount with Rheo leaf. What does the indicated part show ?
AP 9th Class Biology Bits Chapter 2 Plant Tissues 12
A) Shoot apex
B) Root tip
C) Stomata
D) Egg cell
Answer:
C) Stomata

Question 69.
Based on the information given below, which of the following represents Q, RandS?
AP 9th Class Biology Bits Chapter 2 Plant Tissues 13

Q	R	S
A) Tissue	Cell	System
B) System	Organ	Cell
C) Organ	Tissue	Cell
D) Tissue	Organ	System

Answer:
D) Tissue Organ System

Question 70.
Match the following lists to identify the phenomenon that can be observed :

List – I	List – II
a) Beetle leaf	A) Stomata
b) Onion root tip	B) Tissues
c) Rheo leaf	C) Growth cells

A) a – 3, b – 2, c -1
B) a – 1, b – 2, c – 3
C) a – 2, b – 3, c – 1
D) a – 3, b -1, c – 2
Answer:
C) a – 2, b – 3, c – 1

Question 71.
Observe the table and answer the questions :

Function	Name of the parts
1. Absorption of water from soil	Roots
2. Exchange of gases	Leaves
3. Transpiration	Leaves
4. Reproduction	Flowers

Identify the correct choice to match with the function of leaves.
A) Helps to attract the insects
B) Giving mechanical support to the plant
C) Participation in protein synthesis
D) Preparation of food through photosynthesis
Answer:
D) Preparation of food through photosynthesis

Read the following para and answer the 22 – 23 questions given below :
The cells of the parenchyma are soft, thinwalled and loosely packed. The parenchyma which contains chloroplasts is called “chlorenchyma”. The parenchyma which contains large air cavities is called Aerenchyma. The parenchyma which stores water or food is called “Storage tissue ”.
Question 72.
Which parenchyma helps plant in the preparation of food ?
A) Storage tissue
B) Aerenchyma
C) Chlorenchyma
D) Schlerenchyma
Answer:
C) Chlorenchyma

Question 73.
Identify the parenchyma cells which are thick walled and tightly packed without spaces.
A) Chlorenchyma
B) Collenchyma
C) Schlerenchyma
D) Dermal tissue
Answer:
C) Schlerenchyma

AP 9th Class Biology Bits Chapter 1 Cell its Structure and Functions with Answers

August 11, 2021

Practice the AP 9th Class Biology Bits with Answers Chapter 1 Cell its Structure and Functions on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 9th Class Biology Bits 1st Lesson Cell its Structure and Functions with Answers

I. Choose the correct answers

Question 1.
Primarily cells are studied under
A) optical microscope
B) compound microscope
C) electron microscope
D) none
Answer:
A) optical microscope

Question 2.
The outermost covering of animal cell is
A) cell wall
B) plasma membrane
C) nuclear membrane
D) nucleolar envelop
Answer:
B) plasma membrane

Question 3.
Cell membrane or plasma membrane is made up of
A) lipids
B) proteins
C) both lipids and proteins
D) cellulose
Answer:
C) both lipids and proteins

Question 4.
Identify the selectively permeable membrane.
A) cell wall
B) cell membrane
B) tonoplast
D) nuclear membrane
Answer:
B) cell membrane

Question 5.
Cell wall is present in
A) animals
B) humans
C) plants
D) zooplanktons
Answer:
C) plants

Question 6.
Nucleus was discovered by
A) Robert Hooke
B) Robert Brown
C) Rudolf Virchow
D) Schwann
Answer:
B) Robert Brown

Question 7.
It acts as cells control room
A) cell membrane
B) nucleus
C) mitochondria
D) nucleolus
Answer:
B) nucleus

Question 8.
This part of the cell bears genetic information.
A) Nucleus
B) Nucleolus
C) Ribosomes
D) Golgi complex
Answer:
A) Nucleus

Question 9.
Identify the prokaryotic cell.
A) Bacterium
B) Cyanobacteria
C) Paramoecium
D) Both Bacterium and Cyanobacteria
Answer:
D) Both Bacterium and Cyanobacteria

Question 10.
This participates in intracellular transport.
A) Endoplasmic reticulum
B) Lysosomes
C) Golgi complex
D) Ribosomes
Answer:
A) Endoplasmic reticulum

Question 11.
Smooth endoplasmic reticulum helps in the manufacture of
A) proteins
B) lipids
C) carbohydrates
D) vitamins
Answer:
B) lipids

Question 12.
Rough endoplasmic reticulum helps in the manufacture of
A) lipids
B) carbohydrates
C) proteins
D) vitamins
Answer:
C) proteins

Question 13.
In vertebrate liver cells it plays a crucial role in detoxifying many poisons and drugs
A) smooth endoplasmic reticulum
B) rough endoplasmic reticulum
C) lysosomes
D) vacuoles
Answer:
A) smooth endoplasmic reticulum

Question 14.
Suicide bags of the cell is
A) Lysosome
B) Ribosome
C) Nucleosome
D) Golgi complex
Answer:
A) Lysosome

Question 15.
The number of mitochondria present in each cell are about
A) 100 – 200
B) 150 – 300
C) 100 – 150
D) 100 – 300
Answer:
C) 100 – 150

Question 16.
The power house of the cell is
A) Lysosomes
B) Mitochondria
C) Ribosomes
D) Vacuole
Answer:
B) Mitochondria

Question 17.
The primary function of chloropiasts is to carry out
A) Respiration
B) Photosynthesis
C) Nutrition
D) Transport
Answer:
B) Photosynthesis

Question 18.
Who observed cell division for the first time ?
A) Rudolf Virchow
B) Robert Hooke
C) Hugodevris
D) Robert Brown
Answer:
A) Rudolf Virchow

Question 19.
The fluid inside the nucleus is known as
A) Nucleoplasm
B) Cytoplasm
C) Protoplasm
D) Germplasm
Answer:
A) Nucleoplasm

Question 20.
Chloropiasts are present in
A) roots
B) green leaves
C) dried leaves
D) flowers & fruits
Answer:
B) green leaves

Question 21.
Leucoplasts are
A) green
B) red
C) white
D) blue
Answer:
C) white

Question 22.
Nucleus was named by
A) Camillo Golgi
B) Schleiden
C) Robert Brown
D) Virchow
Answer:
C) Robert Brown

Question 23.
Characteristics of the organism determined by
A) Lysosomes
B) Nucleus
C) Mitochondria
D) Plastids
Answer:
B) Nucleus

Question 24.
Which of the following organelles involved in secretion ?
A) nucleus
B) mitochondria
C) golgi complex
D) plastid
Answer:
C) golgi complex

Question 25.
Cell membrane is made up of mainly
A) lipids and fats
B) lipids and proteins
C) proteins and fats
D) lipids, fats and proteins
Answer:
B) lipids and proteins

Question 26.
The colourless plastids are
A) Chloropiasts
B) Chromoplasts
C) Leucoplasts
D) None
Answer:
C) Leucoplasts

Question 27.
Cell wall is made up mainly of
A) Glucose
B) Fructose
C) Maltose
D) Cellulose
Answer:
D) Cellulose

Question 28.
Name the cell organell that regulates and controls all the functions of a cell.
A) Ribosomes
B) Lysosomes
C) ER
D) Nucleus
Answer:
D) Nucleus

Question 29.
Cytoblast refers to
A) ER
B) Golgi complex
C) Ribosomes
D) Nucleus
Answer:
D) Nucleus

Question 30.
The proteins produced in the ribosomes are altered slightly in
A) ER
B) Golgi Complex
C) Mitochondria
D) Lysosomes
Answer:
B) Golgi Complex

Question 31.
This cell organell contains destructive enzymes.
A) Chloroplast
B) Nucleolus
C) Nucleus
D) Lysosomes
Answer:
D) Lysosomes

Question 32.
These are “the traps of solar energy”.
A) Lysosomes
B) Ribosomes
C) Chloropiasts
D) Nucleus
Answer:
C) Chloropiasts

Question 33.
The basic unit of life is
A) Body
B) Cell
C) Blood
D) Tissue
Answer:
B) Cell

Question 34.
“Storage sacs” of the cell
A) Lysosomes
B) Ribosomes
C) Vacuole
D) Nucleolus
Answer:
C) Vacuole

Question 35.
This converts the light energy into chemical energy.
A) Lysosomes
B) Mitochondria
C) Chloroplast
D) Nucleus
Answer:
C) Chloroplast

Question 36.
Leucoplasts store
A) starch
C) proteins
B) oil
D) all
Answer:
D) all

Question 37.
Read the following statements.
a) Plastids are present only in plants.
b) Lysosomes contain non-destructive enzymes.
A) Both a, b are correct
B) a correct, b incorrect
C) b correct, a incorrect
D) Both a, b are incorrect
Answer:
B) a correct, b incorrect

Question 38.
Read the following statements.
a) Rough ER is the site of protein manufacture
b) Robert Brown discovered Nucleus in 1835
A) Both a, b are correct
B) a correct, b incorrect
C) b correct, a incorrect
D) Both a, b are incorrect
Answer:
B) a correct, b incorrect

Question 39.
Identify the wrongly matched pair.
1) Stomata – gaseous exchange
2) Leucoplasts – storage of carbohydrates
3) Golgi complex – package of lipids
A) 1, 2
B) 2, 3
C) 1, 3
D) 3 only
Answer:
D) 3 only

Question 40.
Read the following statements.
a) Cell wall is made up of cellulose and it is dead in nature.
b) Plasma membrane is made up of lipids and proteins and it is living.
A) Both a, b incorrect
B) a correct, b incorrect
C) b correct, a incorrect
D) Both a, b correct
Answer:
D) Both a, b correct

Question 41.
The plants which we can observe more chloroplasts are :
A) Algae
B) Fungi
C) Bacteria
D) None
Answer:
A) Algae

Question 42.
The cells arranged in Rheo leaf are
A) circle
B) in rows
C) irregular
D) diagonally
Answer:
A) circle

Question 43.
The organell present in the centre of the cheek cell is
A) Mitochondria
B) Golgi
C) Nucleus
D) Ribosomes
Answer:
C) Nucleus

Question 44.
The stain used to observe nucleus in cheek cells is
A) Safranine
B) Methyl orange
C) Black dye
D) All the above
Answer:
D) All the above

Question 45.
Which solution is used to observe mitochondria under the microscope ?
A) Janus green – B
B) Safranine
C) Glycerine
D) Methylene Blue
Answer:
A) Janus green – B

Question 46.
Which coloring reagent used in your classroom to see nucleus ?
A) Phenolpthalene
B) Methylene blue
C) Alcohol
D) Glycerine
Answer:
B) Methylene blue

Question 47.
The Red blood cells have less life span because
A) presence of haemoglobin
B) presence of nucleus
C) absence of nucleus
D) presence of nucleolus
Answer:
C) absence of nucleus

Question 48.
Packing of various substances in the cell are
A) Nucleus
B) Mitochondria
C) Golgi apparatus
D) Plastids
Answer:
C) Golgi apparatus

Question 49.
The organell which generate and stores energy is
A) golgi
B) mitochondria
C) nucleus
D) ribosomes
Answer:
B) mitochondria

Question 50.
The reason for colour changes in tomatoes (Green – White – Yellow – Red) is
A) Endoplasmic reticulum
B) Plastids
C) Nucleolus
D) Cell membrane
Answer:
B) Plastids

Question 51.
Cell theory was proposed by
A) Schleiden
B) Schwann
C) Both A & B
D) Rudolf Virchow
Answer:
C) Both A & B

Question 52.
Identify the labelled part in the diagram.
AP 9th Class Biology Bits Chapter 1 Cell its Structure and Functions 1
A) Chloroplast
B) Pore
C) Nucleus
D) Guard cell
Answer:
D) Guard cell

Question 53.
Name the given picture.
AP 9th Class Biology Bits Chapter 1 Cell its Structure and Functions 2
A) Animal cell
B) Plant cell
C) Chloroplast
D) ER
Answer:
A) Animal cell

Question 54.
Identify the cell organelle in the below picture.
AP 9th Class Biology Bits Chapter 1 Cell its Structure and Functions 3
A) Mitochondria
B) Nucleus
C) Golgi
D) Chloroplast
Answer:
D) Chloroplast

Question 55.
Name the labelled part in the shown cell organell.
AP 9th Class Biology Bits Chapter 1 Cell its Structure and Functions 4
A) Nucleus
B) Nucleolus
C) DNA
D) RNA
Answer:
B) Nucleolus

Question 56.
Identify the cell organelle shown in the diagram.
AP 9th Class Biology Bits Chapter 1 Cell its Structure and Functions 5
A) Chloroplast
B) Golgi complex
C) ER
D) Mitochondria
Answer:
D) Mitochondria

Question 57.
Identify the cell organelle.
AP 9th Class Biology Bits Chapter 1 Cell its Structure and Functions 6
A) Golgi complex
B) ER
C) Lysosomes
D) Nucleus
Answer:
A) Golgi complex

Question 58.
Identify the cell organelle.
AP 9th Class Biology Bits Chapter 1 Cell its Structure and Functions 7
A) Golgi complex
B) Endoplasmic Reticulum
C) Lysosomes%0
D) Nucleus
Answer:
B) Endoplasmic Reticulum

Question 59.
Arrange the following in correct order.
A) tissue – organism – organs – organ system – cell.
B) organism – organs – organ system – tissue – cell.
C) cells – tissue – organs – organ system – organism
D) none of the above
Answer:
C) cells – tissue – organs – organ system – organism

Question 60.
The function of a tiny cell in a large body of an organism is
A) Functional unit
B) Structural unit
C) Acts as individual unit
D) All the above
Answer:
D) All the above

Question 61.
I appreciate stomata because they are helpful in
A) Photosynthesis
B) Respiration
C) Transpiration
D) All the above
Answer:
D) All the above

Question 62.
The function of cell wall in plants is
A) in active
B) protection
C) exerts pressure
D) B and C
Answer:
D) B and C

Question 63.
Choose the correct answer from the following matching.
List – A
1) Nucleus
2) Cell
3) Cell Division
4) Cell theory
Answer:

List – B
a) Schleiden
b) Virchow
c) Robert Hook
d) Robert Brown
A) 1 – a, 2 – d, 3 – c, 4 – b
B) 1 – a, 2 – b, 3 – c, 4 – d
C) 1 – b, 2 – a, 3 – d, 4 – c
D) 1 – d, 2 – c, 3 – b, 4 – a
Answer:
D) 1 – d, 2 – c, 3 – b, 4 – a

Question 64.
Choose the correct answer from the following matching.
List – A
1) Prokaryote
2) Ribosomes
3) Smooth ER

List – B
a) Lipid synthesis
b) Protein factories
c) Bacterium
A) 1 – a, 2 – b, 3 – c
B) 1 – b, 2 – c, 3 – a
C) 1 – c, 2 – a, 3 – b
D) 1 – c, 2 – b, 3 – a
Answer:
D) 1 – c, 2 – b, 3 – a

Question 65.
Choose the correct matching from the following.
List – A
1) Suicidal bags
2) Mitochondria
3) Nucleus

List – B
a) Cheek cell
b) Onion peel cell
c) Lysosomes
A) 1 – b, 2 – c, 3 – a
B) 1 – c, 2 – a, 3 – b
C) 1 – a, 2 – b, 3 – c
D) 1 – c, 2 – b, 3 – a
Answer:
D) 1 – c, 2 – b, 3 – a

II. Match the following :

Group – A	Group – B
1) Robert Brown	A) Cell division
2) Robert Hooke	B) Botanist
3) Rudolf Virchow	C) Zoologist
4) Schleiden	D) Nucleus
5) Schwann	E) Observed cell for the first time
	F) Electron microscope

Answer:
1) Robert Brown – D) Nucleus
2) Robert Hooke – E) Observed cell for the first time
3) Rudolf Virchow – A) Cell division
4) Schleiden – B) Botanist
5) Schwann – C) Zoologist

Group – A	Group – B
1) Nucleus	A) Cell’s power house
2) Prokaryotes	B) Suicide bags
3) Lysosomes	C) Protein synthesis
4) Mitochondria	D) Regulate and controls all the functions of a cell.
5) Rough endoplasmic reticulum	E) Bacterium
	F) Lipid synthesis

Answer:
1) Nucleus – D) Regulate and controls all the functions of a cell.
2) Prokaryotes – E) Bacterium
3) Lysosomes – B) Suicide bags
4) Mitochondria – A) Cell’s power house
5) Rough endoplasmic reticulum – C) Protein synthesis

Group – A	Group – B
1) Mitochondria	A) Cyto skeleton
2) Lysosomes	B) Secrection
3) Nucleus	C) Cell’s power house
4) ER	D) Cell’s control room
5) Golgi complex	E) Suicidal bags

Answer:
1) Mitochondria – C) Cell’s power house
2) Lysosomes – E) Suicidal bags
3) Nucleus – D) Cell’s control room
4) ER – B) Secrection
5) Golgi complex – A) Cyto skeleton

Group – A	Group – B
1) Semi permeable	A) Chloroplast
2) Traps solar energy	B) Prokaryote
3) Cynobacteria	C) Cell wall
4) Detoxification	D) Plasma membrane
5) Withstand greater changes in surroundings	E) SER

Answer:
1) Semi permeable – D) Plasma membrane
2) Traps solar energy – A) Chloroplast
3) Cynobacteria – B) Prokaryote
4) Detoxification – E) SER
5) Withstand greater changes in surroundings – C) Cell wall

Question 66.
The below diagram represents a/an ………………..
AP 9th Class Biology Bits Chapter 1 Cell its Structure and Functions 8
A) Plant cell
B) Animal cell
C) Virus
D) Bacterial cell
Answer:
B) Animal cell

Question 67.
These organelle of the cell play an important role in protein synthesis ?
A) Lysosomes
B) Nucleus
C) Ribosomes
D) Mitochondria
Answer:
C) Ribosomes

Question 68.
This part of the cell is known as control unit of the cell
A) Nucleus
B) Chloroplast
C) Mitochondria
D) Vacuole
Answer:
A) Nucleus

Question 69.
Nuclear membrane is absent in ………………. type of cells.
A) Eukaryote
B) Prokaryote
C) Protista
D) Fungi
Answer:
B) Prokaryote

Question 70.
The following are known as suicidal bags of the cells
A) Ribosomes
B) Vacuoles
C) Lysosomes
D) Golgi complex
Answer:
C) Lysosomes

Question 71.
What is the correct order of the steps to follow for using a microscope to observe vacuoles in plant cells ?
1) Place on a glass slide
2) Take a piece of stem of a succulent plant
3) Stain with dilute saffranine solution.
4) Take thin cross section
A) 2, 4, 3,1
B) 1, 2, 3, 4
C) 2, 3, 4, 1
D) 4, 3, 1, 2
Answer:
A) 2, 4, 3,1

Question 72.
Which one of these cell organelles, do all living things on earth depend on directly or indirectly for food ?
A) Lysosomes
B) Mitochondria
C) Ribosomes
D) Chloroplasts
Answer:
D) Chloroplasts

Question 73.
The cell organelle responsible for the release of energy in the body is ……………
A) Lysosomes
B) Golgi complex
C) Endoplasmic reticulum
D) Mitochondria
Answer:
D) Mitochondria

Question 74.
The fluid inside the cell: cytoplasm :: the fluid inside the nucleus : ……………….
A) Protoplasm
B) Nucleoplasm
C) Cellular fluid
D) Both B and C
Answer:
B) Nucleoplasm

Question 75.
Read the following statements.
A : One function of ER is to channelise proteins.
B : SER does not play any role in detoxifying many poisons and drugs.
A) Both statements are true
B) Both statements are false
C) Only A is true
D) Only B is true
Answer:
C) Only A is true

Question 76.
The correct statement related to autotrophs
A) getting mechanical energy from solar energy
B) receives glycogen as a nutrient from other organism
C) converts solar energy into chemical energy
D) all are correct
Answer:
C) converts solar energy into chemical energy

Question 77.
The stain used to observe mitochondria is
A) Saffranin
B) Janus green-B
C) Janus green-A
D) Crystal Violet
Answer:
B) Janus green-B

Question 78.
The genetic material of the cell is found in the ……………….
A) Golgi apparatus
B) Vacuole
C) Rough endoplasmic reticulum
D) Nucleus
Answer:
D) Nucleus

Question 79.
Match the following.
a) Chloroplast 1) Power houses
b) Mitochondria 2) Suicide bags
c) Lysosomes 3) Photosynthesis
A) a – 3, b – 2, c -1
B) a – 2, b – 1, c – 3
C) a – 1,b – 2, c – 3
D) a – 3, b – 1,c – 2
Answer:
D) a – 3, b – 1,c – 2

Question 80.
AP 9th Class Biology Bits Chapter 1 Cell its Structure and Functions 9 This Part is ………………
A) Ribosome
B) Lysosome
C) Protoplasm
D) Cytoplasm
Answer:
A) Ribosome

Question 81.
Which of the following statement is not correct?
i) All cells arise from the same cells.
ii) Vacuoles are the power houses of the cell.
iii) Prokaryotic cells have a nuclear membrane bound nuclear material
A) i, ii
B) ii, iii
C) i, ii, iii
D) i, iii
Answer:
B) ii, iii

Question 82.
The diagrams given below are the or-ganelles of a cell.
Which of the following organelles is responsible for mechanical support and enzyme transport ?
AP 9th Class Biology Bits Chapter 1 Cell its Structure and Functions 10
Answer:

Question 83.
Which of the following is NOT the function of a vacuole ?
A) Locomotion
B) Storage
C) Providing rigidity to the cell
D) Waste excretion
Answer:
A) Locomotion

Question 84.
Which of the cells is similar to the cell shown below ?
AP 9th Class Biology Bits Chapter 1 Cell its Structure and Functions 11
A) A mature RBC
B) A sperm
C) A cheek cell
D) A nerve cell
Answer:
C) A cheek cell

Question 85.
i) All living organisms are composed of cells and products of cells, ii) All cells arise from pre-existing cells.
Which theory explain the above state-ments ? JSSMREBELiC)
A) Origin of organs theory
B) Tissue culture theory
C) Cell theory
D) Permeable membrane theory
Answer:
C) Cell theory

Question 86.
Identify the cell organelle that helps in respiration :
AP 9th Class Biology Bits Chapter 1 Cell its Structure and Functions 13
Answer:

Question 87.
Identify the wrongly matched one:
a) Lysosomes – Suicidal bags
b) Mitochondria – Power house of the cell
c) Vacuole – Lipid sacs
d) Ribosomes – Food factories
A) c, d
B) a, b
C) b, c
D) a, d
Answer:
A) c, d

Question 88.
In 1898 Camillo Golgi used compound microscope to observe the golgi complex.
Which type of microscope is used to observe cristae in mitochondria ?
A) Florescence microscope
B) Simple microscope
C) Electron microscope
D) Compound microscope
Answer:
D) Compound microscope

Question 89.
Observe the following questions. Based on the statements, what do we know about the organelle shown in the figure?
a) What is the shape of the organelle?
b) Does this help respiration?
c) Why is it called power house of the cell?
d) Is this organelle found in both plant and animal cells?
AP 9th Class Biology Bits Chapter 1 Cell its Structure and Functions 15
Answer:

Question 90.
The following are used for observing chloroplast in your lab :
a) Rheoleaf
b) Slide
c) Microscope
d) Hydrochloric acid
A) b, c, d only
B) a, d only
C) b, c only
D) a, b, c only
Answer:
D) a, b, c only

Question 91.
Which of the following represents X and Y?
AP 9th Class Biology Bits Chapter 1 Cell its Structure and Functions 17
A) X – Animal cell, Y – Fungi Cell
B) X – Animal cell, Y – Plant Cell
C) X – Plant Cell, Y – Animal cell
D) X – Fungi cell, Y – Animal Cell
Answer:
C) X – Plant Cell, Y – Animal cell

AP 10th Class Biology Bits Chapter 10 Natural Resources with Answers

August 10, 2021

Practice the AP 10th Class Biology Bits with Answers Chapter 10 Natural Resources on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 10th Class Biology Bits 10th Lesson Natural Resources with Answers

Concept – 1 : Introduction – Case Study on Two Villages

Question 1.
Percolation tanks help to
A) supply water for agriculture
B) increase groundwater level
C) preserve rain water
D) prevent overflow of water from tanks during rainy season
Answer:
B) increase groundwater level

Question 2.
Which of the following practices are suitable to farmer at less water resources ?
1. Select short term crops
2. Cultivate commercial crops
3. Adopt drip system
4. Crop holiday
A) 1, 2
B) 1, 2, 3
C) 1, 4
D) 3, 4
Answer:
B) 1, 2, 3

Question 3.
In ancient times, village boundaries were decided upon a …………………. basis fixed at the common point of the drainage system.
A) Hill
B) Main road
C) Watershed
D) River bank
Answer:
C) Watershed

Question 4.
This is life line for a larger part of Telangana.
A) Pochampadu project
B) Sriram Sagar Project
C) Chevella irrigation
D) A or B
Answer:
D) A or B

Concept – 2 : Water For All

Question 5.
What methods are to be followed by farmers in scarcity of water ?
A) Short yielding crops
B) Growing commercial crops
C) Drip irrigation
D) Give gap between crop
Answer:
C) Drip irrigation

Question 6.
a) Krishna and Godavari rivers are located in our state.
b) Farmers in our state mostly depend on under ground water.
A) Both a, b, are true
B) Both a, b are false
C) a is true, b is false
D) a is false, b is true
Answer:
A) Both a, b, are true

Question 7.
Primary source of water is :
A) rivers
B) ground water
C) lakes
D) rain water
Answer:
D) rain water

Question 8.
The percentage of fresh water in the hydrosphere is:
A) 2.5 – 2.75%
B) 3 – 3.5%
C) 1.75 – 2.0%
D) 0.75 – 1.5%
Answer:
A) 2.5 – 2.75%

Question 9.
Run off water is the water that:
A) flows into the drains
B) percolates down
C) evaporates
D) all of these
Answer:
B) percolates down

Question 10.
Groundwater will not be depleted due to:
A) deforestation
B) cultivation
C) thermal power plants
D) afforestation
Answer:
D) afforestation

Question 11.
Water present in lakes, swamps and rivers is:
A) 0.01%
B) 0.02%
C) 0.03%
D)0.1%
Answer:
A) 0.01%

Question 12.
Water occurs in frozen state over the land is:
A) 1 – 1.25%
B) 1.5 – 1.7%
C) 1.75 – 2%
D) 2.5%
Answer:
C) 1.75 – 2%

Question 13.
Which of the following practice is suitable for farmers with less water resources?
1. Select short term crops
2. Cultivate commercial crops
3. Adopt drip system
4. Crop holiday.
A) 1, 3
B) 2, 3
C) 1, 4
D) 3, 4
Answer:
A) 1, 3

Question 14.
Watershed means
A) Land between water sources usually of two rivers or streams.
B) Village boundary
C) Drainage system
D) Village tank
Answer:
A) Land between water sources usually of two rivers or streams.

Question 15.
The agency that minds conservation of under ground water
A) Centre for Cellular and Molecular Biology
B) Centre for Advanced Studies in Computers
C) Centre for World Solidarity
D) Centre for Indian Water Works
Answer:
C) Centre for World Solidarity

Question 16.
Look at the flow chart Saline Water : 97 % → Glaciers : 2.5 – 2.75 % → Under ground water 😕
A) 0.01 %
B) 3.2 %
C) 0.7 – 0.8 %
D) 4.2 %
Answer:
C) 0.7 – 0.8 %

Question 17.
Observe the picture.
The pie diagram reveals more utilisation of under ground water. What is the percentage of useful water resources in the world ?
AP 10th Class Biology Bits Chapter 10 Natural Resources 1
A) 97%
B) 66 %
C) 43 %
D) less, than 1%
Answer:
D) less, than 1%

Question 18.
The alternative method for conserving under ground water
A) Soaking pits
B) Closing bore wells
C) Soaking tanks
D) A or C
Answer:
D) A or C

Question 19.
It’s a non-renewable resource.
A) Water
B) Solar energy
C) Coal
D) Soil
Answer:
C) Coal

Question 20.
Which of the following practice is suitable to farmer with less water resource ?
(i) Select short term crops.
(ii) Cultivate commercial crops.
(iii) Adopt drip irrigation system
(iv) Crop holiday
A) (i), (ii)
B) (i), (ii), (iii)
C) (i), (iv)
D) (iii), (iv)
Answer:
B) (i), (ii), (iii)

Question 21.
To increase groundwater levels, we should ………………..
A) dig wells
B) dig canals
C) dig roads
D) dig percolation pits
Answer:
D) dig percolation pits

Question 22.
Rajaiah harvested corn plants in one row and wheat in another row in his crop field. What type of harvesting method that he followed ?
A) Contour harvesting
B) Broad bed harvesting
C) Selective harvesting
D) Hybridization
Answer:
C) Selective harvesting

Question 23.
Which of the following is farmer – based intervention ?
A) Removing of canal
B) Cultivation towards the ponds
C) Contour strip farming
D) More consumption of water
Answer:
C) Contour strip farming

Question 24.
Rain water harvesting improves ………………
A) rain water
B) drinking water
C) ground water
D) storing water
Answer:
C) ground water

Question 25.
a) More fertilizers are added to enhance the percentage of soil nitrogen.
b) Gliricidia plants can help in adding nitrogen in the soil.
A) Both a, b, are true
B) a is true, b is false
C) b is true, a is false
D) Both a, b are false
Answer:
C) b is true, a is false

Question 26.
The plant which makes the soil nitrogen rich ……………….
A) Ground nut
B) Bogunvillia
C) Eucalyptus
D) Gliricidia
Answer:
D) Gliricidia

Question 27.
Gliricidia plants along with the making soil nitrogen rich strengthen ………………….
A) field braids
B) fields
G) prevent pollution
D) prevent weeds
Answer:
A) field braids

Question 28.
The method in which crops are planted in alternating strips across a slope or across the path of the prevailing wind is……………………..
A) Cultural method
B) Contour strips
C) Sri vari type
D) Selective harvesting
Answer:
B) Contour strips

Question 29.
The use of percolation pit
A) Providing water to agriculture
B) Increasing ground water level
C) Storage1 of rain water
D) Control of floods in rainy season.
Answer:
B) Increasing ground water level

Question 30.
Read the following sentences.
1. Digging contour field bunding horizontally
2. Gliricidia plants store nitrogen in soil
3. Crop yield is measured in T.M.C.
4. Supply of water by sprinklers is called micro irrigation
What are the correct sentences mentioned above ?
A) 1, 2, 4
B) 2, 3, 4
C) 1, 3, 4
D) 1, 4
Answer:
A) 1, 2, 4

Question 31.
Full form of ICRISAT is ……………….
A) India Crop research Institute of Semi Arid Tropics
B) International Crop Research Institute for Semi Arid Tropics
C) India Crop Research Institute of Science and Technology
D) International Research Institute of Science and Technology
Answer:
B) International Crop Research Institute for Semi Arid Tropics

Question 32.
UNDP means ………………..
A) United Nations Drought Programme
B) United Nations Development Plan
C) United Nations Development Programme
D) United Nations Director of Planning
Answer:
C) United Nations Development Programme

Question 33
…………………… are normally earthen dams with masonary structures where water may overflow.
A) Percolation tanks
B) Soaking pits
C) Rain water pit
D) Watershed tanks
Answer:
A) Percolation tanks

Question 34.
Which of the following is concerned with micro irrigation ?
A) Drip
B) Tanks
C) Sprinklers
D) A and C
Answer:
D) A and C

Question 35.
To store the rain water ………………… has to be dug.
A) Percolation Tank
B) Soaking pit
C) Small canal
D) Water shed
Answer:
B) Soaking pit

Question 36.
97% of water on earth is …………………..
A) fresh water
B) underground water
C) sewage water
D) saline water
Answer:
D) saline water

Question 37.
The international organisation located at Rajendranagar in Hyderabad
A) ICRISAT
B) CCMB
C) APARD
D) NITT
Answer:
A) ICRISAT

Question 38.
The land area between the two rivers or canals is ……………………
A) Delta
B) Water shed
C) Glacier
D) Dam
Answer:
B) Water shed

Question 39.
Only ………………. of cultivable land around the world is irrigated by drip irrigation.
A) 12%
B) 13%
C) 78%
D) 2%
Answer:
D) 2%

Question 40.
Deforestation accounts for …………………. % of the greenhouse gas emissions.
A) 15%
B) 17%
C) 14%
D) 16%
Answer:
A) 15%

Question 41.
The method of removing individual plants or small groups of plants ………………..
A) Cultural method
B) Contour strip
C) Broad bed furrow
D) Selective harvesting
Answer:
D) Selective harvesting

Question 42.
Which among the following is soil conservation method ?
A) Contour trenches
B) Growing grass plants
C) Crop-rotation system
D) All the above
Answer:
A) Contour trenches

Concept – 3 : Natural Resources Around Us

Question 43.
Fertile soil is exhausted and lost due to erosion because of
A) Poor farming practices
B) Fertile soil
C) Volcanoes
D) Above all
Answer:
A) Poor farming practices

Question 44.
Water use restriction policy taken place in this country
A) Finland
B) Australia
C) Japan
D) Dubai
Answer:
B) Australia

Question 45.
Conserving the resources for future use is ……………………
A) Renewable development
B) Exhaust development
C) Sustainable development
D) Least development
Answer:
C) Sustainable development

Question 46.
This symbol denotes ………………….
AP 10th Class Biology Bits Chapter 10 Natural Resources 2
A) UNDP
B) Percolation pits
C) Sustainable development
D) Recycling logo
Answer:
C) Sustainable development

Question 47.
Find out the odd one.
A) Air
B) White petrol
C) Water
D) Wind
Answer:
B) White petrol

Question 48.
Sustainable development means
A) Prevention of wastage
B) Stable, growth
C) Development without damaging environment
D) High yielding in less time
Answer:
C) Development without damaging environment

Question 49.
The management pf natural resources should be taken as:
A) a long term perspective
B) environmental pollution
C) their equitable distribution
D) A, B, C and safe disposal of wastes
Answer:
D) A, B, C and safe disposal of wastes

Question 50.
Which of the following energy of water is used to produce hydroelectricity?
A) Potential energy
B) Kinetic energy
C) Both A and B
D) None of these
Answer:
C) Both A and B

Question 51.
Which of the following resource needs to be used in a sustainable manner ?
A) Solar energy
B) Petroleum
C) Water
D) Biogas
Answer:
B) Petroleum

Question 52.
Which of the following statements is correct?
A) Sustainable development is instantly planned and fast development.
B) Sustainable development meets the current basic human needs and also preserves resources for future generations.
C) Sustainable development takes into consideration the ideas of beneficiaries.
D) Economic development is delinked with environmental conservation.
Answer:
B) Sustainable development meets the current basic human needs and also preserves resources for future generations.

Concept – 4 : Forest – An Important Renewable Resource

Question 53.
Example for renewable resource
A) Natural gas
B) Petrol
C) Solar energy
D) Fodder
Answer:
C) Solar energy

Question 54.
Choose the correct one.
a) Out of all the water on earth 97% is fresh water.
b) 0.7 – 0.8 % is fresh water available on earth.
A) a, b, both are true
B) a is true, b is false
C) a is false, b is true
D) a, b both are false
Answer:
C) a is false, b is true

Question 55.
Which of the following is not a direct stake holder in the management (or conservation) of forests ?
A) The people who have paper mills
B) The people who run the forest department
C) The people who campaign for the conservation of forests
D) The people who live in urban areas
Answer:
C) The people who campaign for the conservation of forests

Question 56.
The Bishnoi community of Rajastan is associated with the conservation of :
A) climatic factors
B) fossil fuels
C) soil and water
D) wildlife and forest
Answer:
D) wildlife and forest

Question 57.
The most rapidly dwindling natural resource in the world is :
A) water
B) soil
C) sunlight
D) forests
Answer:
D) forests

Question 58.
Anon-renewableresourceis:
A) soil fertility
B) wildlife
C) rainfall
D) biological species
Answer:
C) rainfall

Question 59.
Continent with no forest area.
A) Asia
B) Antarctica
C) America
D) Africa
Answer:
B) Antarctica

Question 60.
Huge amount of toxic chemicals leak into the surrounding eco system because of
A) industries
B) mining
C) pesticides
D) modern technology
Answer:
B) mining

Question 61.
The people of Rajasthan who saved forests are ………………..
A) Vaishnavas
B) Shaivas
C) Chenchus
D) Bishnois
Answer:
D) Bishnois

Question 62.
Which of the following is not concerned with the forests ?
A) Forests are habitat for plants and animals
B) Forests are the lungs for world
C) We will get numerous products from forests.
D) Deforestation accqunts for 20% of the world’s green house gas emissions.
Answer:
D) Deforestation accqunts for 20% of the world’s green house gas emissions.

Question 63.
Consider the following sentences.
a) Nearly 36 million acres of forest land is destructed every year.
b) All the works will be fulfilled due to deforestation.
A) Both a, b, are true
B) a is true, b is false
C) a is false, b is true
D) Both a, b are false
Answer:
B) a is true, b is false

Question 64.
Use the following information to answer the questions.
Some statements regarding coal and petroleum are given below.
I) Coal and petroleum are formed from the degradation of biomass of plants andanimals.
II) Kerosene and coke are obtained from coal.
Ill) Petrol and diesel are obtained from petroleum.
Among the given statements
A) only statement I is correct
B) only statement II is correct
C) Both statements I and II are correct
D) Both statements I and III are correct
Answer:
D) Both statements I and III are correct

Question 65.
Which of the following is not the reason for bio-diversity ?
A) Hunting
B) Pollution
C) Destruction of habitafs
D) All of the above
Answer:
D) All of the above

Question 66.
Petroleum will not be used in the production of ………………
A) Plastic
B) Synthetic
C) Nylon
D) Bread Mould
Answer:
D) Bread Mould

Concept – 5 : Fossil Fuels

Question 67.
Consider the following.
a) Some natural resources are renamed
b) Fossil fuels will exhaust due to over usage
A) Both a, b are true
B) a is true, b is false
C) a is false, b is true
D) Both a, b are false
Answer:
A) Both a, b are true

Question 68.
Which of the fossil fuel reserves decrease more rapidly in India ?
A) Natural gas
B) Coal
C) Petroleum
D) All
Answer:
D) All

Question 69.
The plant species related to Bio – diesel
A) Jatropa, Ficus
B) Jatropa, Pinus
C) Jatropa, Pongamia
D) Ficus, Heavea
Answer:
C) Jatropa, Pongamia

Question 70.
Bio-diesel is produced from the following seeds.
A) Jatropa
B) Curry Leaf
C) Nuts
D) Peanuts
Answer:
A) Jatropa

Question 71.
The country in which the iron produced comes from recycled automobiles is ……………
A) America
B) Japan
C) China
D) India
Answer:
B) Japan

Question 72.
Observe the picture.
Which resource is utilised in less percentage in India ?
AP 10th Class Biology Bits Chapter 10 Natural Resources 3
A) Coal
B) Natural gas
C) Atomic energy
D) Petroleum
Answer:
C) Atomic energy.

Question 73.
a) Wild animals lose their habitat due to deforestation.
b) 15 % of green house gases are released into atmosphere due to deforestation.
A) Both a & b are true, ‘b’ explains ‘a’
B) Both a & b are true, ‘b’ does not explain
C) b is true, a is false
D) Both a, b are false
Answer:
A) Both a & b are true, ‘b’ explains ‘a’

Question 74.
Which of the following combination of terms has no fossil fuels ?
A) Wind, ocean, coke
B) Kerosene, tide, wind
C) Wood, wind, sun
D) Petrol, wood, sun
Answer:
C) Wood, wind, sun

Question 75.
The poisonous gas formed by combustion of coal is :
A) sulphur dioxide
B) carbon dioxide
C) carbon monoxide
D) none
Answer:
C) carbon monoxide

Question 76.
Which of the following is not a fossil fuel ?
A) LPG
B) Natural gas
C) Petrol
D) CNG
Answer:
B) Natural gas

Question 77.
Which of the following is not a natural resource ?
A) Soil
B) Water
C) Electricity
D) Natural gas
Answer:
C) Electricity

Question 78.
Which one of the following is NOT a renewable resources ?
A) Coal
B) Air
C) Water
D) Soil
Answer:
A) Coal

Question 79.
AP 10th Class Biology Bits Chapter 10 Natural Resources 4
What does the logo show?
A) Reuse
B) Reduce
C) Recover
D) Recycle
Answer:
D) Recycle

Question 80.
Ramya gave her old books to her sister. Which type of conservation method it is ?
A) Reduce
B) Recycle
C) Help
D) Reuse
Answer:
D) Reuse

Question 81.
This is not a method of saving fuel.
A) Using bicycle
B) Travel in trains instead of cars
C) Using cellphones
D) Drawing of water from wells
Answer:
C) Using cellphones

Question 82.
The molecular pollutant that pollutes air
A) CO₂
B) Ash
C) SO₂
D) CO
Answer:
B) Ash

Question 83.
You have installed LED bulbs inspite of other bulbs. The conservative method regarding environment is ……………….
A) Reduce
B) Reuse
C) Recycle
D) Renew
Answer:
A) Reduce

Question 84.
In United States nearly one – third of the iron is produced from old automobiles. What is the conservation method they are following ?
A) Reduce
B) Re-use
C) Recycle
D) Restore
Answer:
C) Recycle

Question 85.
If we utilize the fuel at the same rate which we are utilizing now, we never get fuel for our vehicles in the nearest future. So in order to conserve the fuel you should not do this.
A) Using bicycle for short distances
B) Using public transport for long journey
C) Encouraging the usage of personal vehicles
D) Walking as far as possible
Answer:
C) Encouraging the usage of personal vehicles

Question 86.
The chief function of IUCN.
A) To protect wild life habitats
B) To work on dry land agriculture
C) to study on viral diseases
D) To work on wet land agriculture
Answer:
A) To protect wild life habitats

Question 87.
Conservation is:
A) Management of natural resources
B) Protection of natural resources
C) Judicious use of natural resources
D) All of the above
Answer:
D) All of the above

Question 88.
Four R’s which help to conserve natural resources for long term use are :
A) reduce, recycle, reuse, recover
B) reduce, reuse, redistribute, regenerate
C) reduce, recycle, reuse, redistribute
D) recycle, regenerate, reuse, rejoin
Answer:
A) reduce, recycle, reuse, recover

Question 89.
What should Manju do by not bringing the polythene covers to house ? …………………….
A) She shouldn’t go to market
B) She has to use cloth bag
C) To cultivate vegetables in the house only
D) After using polythene, she has to throw them away
Answer:
B) She has to use cloth bag

Question 90.
Concept that belongs to ‘3R’ necessary for Environment Conservation is ……………..
A) Preparation of plates with banana leaves
B) Usage of grass bags only
C) Reduce buying use and throw articles
D) Having underground sewage system
Answer:
C) Reduce buying use and throw articles

Question 91.
Consider the following.
a) The same plastic is to be recycled
b) All the plastics are to be recycled at once
A) a is false, b is true
B) a is true, b is false
C) Both a & b false
D) Both a & b true
Answer:
B) a is true, b is false

Question 92.
The method in which plastic can be reused …………………….
A) Reuse
B) Recycling
C) Decrease
D) Decomposing
Answer:
B) Recycling

Question 93.
Which of the following countries conserve the forests by reusing waste paper, card boards ?
A) India, Pakistan
B) China, Japan
C) China, Mexico
D) America, Australia
Answer:
C) China, Mexico

Question 94.
The grass plant which grow fast ………………..
A) Alfa Alfa
B) Bamboo
C) Bombyx
D) Tea
Answer:
B) Bamboo

Question 95.
Imagine the consequence that occurs due to over deforestation.
A) Volcanic eruption
B) Earthquakes
C) Global warming
D) Tsunamis
Answer:
C) Global warming

Question 96.
The chief function of IUCN.
A) To work on dry land agriculture
B) To protect wild life habitats
C) To study on viral diseases
D) To work on wet land agriculture
Answer:
B) To protect wild life habitats

Question 97.
This conservation group proposed World Conservation Strategy in 1980.
A) ICUN
B) IUCN
C) UNDP
D) NUDP
Answer:
B) IUCN

Question 98.
Smitha Converted her broken toy into a wall hanging. What is this?
A) Reducing
B) Recycling
C) Rethinking
D) Reusing
Answer:
B) Recycling

Question 99.
Which of the following is not related to the 4R’s of environmental protection ?
A) Reduce
B) Reuse
C) Recycle
D) Remove
Answer:
D) Remove

Question 100.
When we cut trees to construct industries or roads for transportation, we should grow trees in other areas. This comes under
A) Reduce
B) Reuse
C) Recover
D) Recycle
Answer:
C) Recover

AP 10th Class Biology Bits Chapter 9 Our Environment with Answers

August 10, 2021

Practice the AP 10th Class Biology Bits with Answers Chapter 8 Heredity on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 10th Class Biology Bits 9th Lesson Our Environment with Answers

Concept – 1 : Introduction – Food Chain – Food web

Question 1.
Which of the following do plants not compete for ?
A) Water
B) Food
C) Space
D) All of the above
Answer:
D) All of the above

Question 2.
……………… denotes the animal’s position and its food.
A) Trophic level
B) Niche
C) Estuary
D) Cutch
Answer:
B) Niche

Question 3.
Insectivores feed on Aphids, Grasshopper. We can represent the statement through one of the following.
A) Food level
B) Food chain
C) Trophic level
D) Food web
Answer:
D) Food web

Question 4.
The graphic representation of the feeding level of an ecosystem is …………………..
A) Pyramid
B) Biosphere
C) Ecological pyramid
D) Food chain
Answer:
C) Ecological pyramid

Question 5.
Any type of plant or animal material , that can be converted into energy is called …………………..
A) Bio energy
B) Biomass
C) Bio evolution
D) Bio quantity
Answer:
B) Biomass

Question 6.
The sum of physical and biological factors along with their chemical interactions that effect an organism is called ……………………
A) Ecosystem
B) Atmosphere
C) Environment
D) Food chain
Answer:
C) Environment

Question 7.
Air, water, soil, sunlight are called ………………… factors.
A) Biotic
B) Abiotic
C) Chemical
D) Physical
Answer:
B) Abiotic

Question 8.
The region of the world of living things is termed as:
A) Biosphere
B) Atmosphere
C) Environment
D) Ecqsystem
Answer:
A) Biosphere

Question 9.
The missing organism in food chain of grass → ? → frog → snake is :
A) Grasshopper
B) Lion
C) Goat
D) Amoeba
Answer:
A) Grasshopper

Question 10.
Charles Elton relates to
A) Embryology
B) Physiology
C) Ecology
D) Geology
Answer:
C) Ecology

Question 11.
Identify the correct food chain.
A) Plant → frog → snake → grosshopper
B) Plant → grasshopper frog → snake
C) Grasshopper → plant → snake → frog
D) Frog → plant → grasshopper → snake
Answer:
B) Plant → grasshopper frog → snake

Question 12.
Which of the following constitutes a food chain?
A) Grass, Wheat and Mango
B) Grass, Goat and Human
C) Goat, Cow and Elephant
D) Grass, Fish and Goat
Answer:
D) Grass, Fish and Goat

Question 13.
An ecosystem includes
A) all living organisms
B) non-living objects
C) both living organisms and non-living objects
D) all living organisms and input of sun’s energy
Answer:
C) both living organisms and non-living objects

Question 14.
What will happen if deer is missing in the food chain given below ? Grass → Deer → Tiger
A) The population of tigers increases
B) The population of grass decreases
C) Tigers will start eating grass
D) The population of tigers decreases and the population of grass increases.
Answer:
D) The population of tigers decreases and the population of grass increases.

Question 15.
Which one of the following is not a consumer ?
A) Giraffe
B) Antelope
C) Algae
D) Alligator
Answer:
C) Algae

Question 16.
Which of the following is not a producer?
A) Grass
B) Zooplankton
C) Phytoplankton
D) Paddy
Answer:
B) Zooplankton

Question 17.
In a food chain, the third trophic level is always occupied by :
A) carnivores
B) herbivores
C) decomposers
D) producers
Answer:
A) carnivores

Question 18.
Which of the following statement is incorrect regarding producers ?
A) All green plants and blue green algae are producers.
B) Producers prepare their own food from ready made organic compounds.
C) Producers prepare their own food from inorganic compounds.
D) Plants convert solar energy into chemical energy.
Answer:
B) Producers prepare their own food from ready made organic compounds.

Question 19.
Organisms which synthesise carbohydrates by using radiant energy are called:
A) decomposers
B) producers
C) herbivores
D) carnivores
Answer:
B) producers

Question 20.
A network of several food chains is known as :
A) ecosystem
B) food web
C) ecological pyramid
D) food chain
Answer:
B) food web

Question 21.
Choose the right one for the empty box.
AP 10th Class Biology Bits Chapter 9 Our Environment 1
A) Grasshopper
B) Snake
C) Frog
D) Hawk
Answer:
B) Snake

Question 22.
Which of the following is biotic factor ?
A) Air
B) Soil
C) Plant
D) Sunlight
Answer:
C) Plant

Question 23.
……………. forms food web.
A) Chains
B) Food chains
C) Abotic factors
D) Biotic factors
Answer:
B) Food chains

Question 24.
The type of forests are determined by ………………..
A) Temperature, sunlight
B) Sunlight, plants
C) Temperature, rainfall
D) Light, surroundings
Answer:
A) Temperature, sunlight

Question 25.
……………… indicates the relationship of food.
A) Food web
B) Food chain
C) Niche
D) Habitat
Answer:
A) Food web

Question 26.
………………. denotes the mode of life of an organism in the food web.
A) Niche
B) Food chain
C) Pyramid of biomass
D) Pyramid of numbers
Answer:
A) Niche

Question 27.
In the food chain which shows the human being, big fish and the small fish, the last place is occupied by …………………….
A) Fish
B) Moss
C) Human being
D) Whale
Answer:
C) Human being

Question 28.
Which of the following should be less, so that the top most carnivores will get more energy ?
A) Producers
B) Trophic levels
C) Consumers
D) Moss
Answer:
B) Trophic levels

Question 29.
The material which the organism can’t digest …………………
A) Cellulose
B) Fats
C) Cellulose, lignin
D) Proteins
Answer:
C) Cellulose, lignin

Question 30.
The flow of materials between organisms and their environment is called ……………………..
A) Nitrogen cycle
B) Carbon cycle
C) Bio geochemical cycle
D) Hydrogen cycle
Answer:
C) Bio geochemical cycle

Question 31.
Which of the following can convert the absorbed (Solar energy) sunlight into chemical energy ?
A) Animals
B) Decomposers
C) Producers
D) Carnivores
Answer:
C) Producers

Question 32.
The pyramid of numbers is always upright. If it changes …………………..
i) the number of producers will be more in the trophic level.
ii) a tree is the producer.
iii) it is always upright. Change does not occur.
iv) Producers are at the base only though the pyramid is in any form.
A) i only
B) i, ii, iii
C) i, ii, iv
D) All are correct
Answer:
C) i, ii, iv

Question 33.
Consider the following.
a) Photosynthesis is the important life process for all plants.
b) Abiotic factors such as CO₂, light and water are not necessary for organisms.
A) Both a and b are true
B) a is true, b is false
C) a is false, b is true
D) Both a and b are false
Answer:
B) a is true, b is false

Question 34.
Consider the following.
a. It would be better to reduce the reproductive capacity of male insect organisms.
b. Crop rotation method is the best practice.
A) a, b both are true
B) a is true, b is false
C) a is false, b is true
D) Both a and b are false
Answer:
A) a, b both are true

Question 35.
What does a food chain always start with ?
A) Herbivore
B) Carnivore
C) Producer
D) Predator
Answer:
C) Producer

Question 36.
The food chain ends with ………………..
A) Producer
B) Saprophyte
C) Decomposer
D) Consumer
Answer:
D) Consumer

Question 37.
The number of levels in a food chain comprises mostly
A) 3
B) 4
C) 5
D) 2
Answer:
B) 4

Question 38.
……………… denotes the relationship between the biotic factors.
A) Food pyramid
B) Food quantity
C) Food chain
D) Producers
Answer:
C) Food chain

Question 39.
Which of the following indicates the transfer of energy from one organism to the other ?
A) Food pyramid
B) Path of energy flow
C) Path of energy loss
D) Food chain
Answer:
D) Food chain

Question 40.
Correct statement of Charles Elton.
A) Carnivores at the top of the pyramid.
B) Energy trapping is high at the top of the pyramid
C) No producers at the top of the pyramid
A) A only
B) Both A and B
C) C only
D) Both A and C
Answer:
D) Both A and C

Question 41.
Between grass and grasshopper food chain ends with
A) Producer
B) Saprophyte
C) Decomposers
D) Consumers
Answer:
D) Consumers

Question 42.
You have prepared a work sheet for collecting information on observing different food chains. One of the following is important component in the work sheet.
A) Details of group members
B) Food relationship
C) Names of animals
D) Number of carnivores
Answer:
B) Food relationship

Question 43.
Consider the following.
a. The place of organism in a food web is called “Niche”
b. Niche explains the living habits and food habits of organism
A) Both a & b are true
B) a is false, b is true
C) Both a & b are false
D) a is true, b is false
Answer:
A) Both a & b are true

Question 44.
The primary consumer is …………………
A) Rabbit
B) Tiger
C) Frog
D) Snake
Answer:
A) Rabbit

Question 45.
Choose the right one for the empty box.
AP 10th Class Biology Bits Chapter 9 Our Environment 2
A) Grasshopper
B) Snake
C) Frog
D) Hawk
Answer:
B) Snake

Question 46.
Grass, grass hopper, snake, frog, eagle – find out the correct flow chart.
A) grass → grass hopper → frog → snake → eagle
B) grass ← grass hopper ← frog ← snake ← eagle
C) grass hopper → eagle → frog → grass → snake
D) eagle → snake → grass hopper → frog → grass
Answer:
A) grass → grass hopper → frog → snake → eagle

Concept – 2 : Ecological Pyramids

Question 47.
……………… denotes the relationship among the organisms in a food chain.
A) Giza pyramid
B) Food web
C) Ecological pyramid
D) Trophic level
Answer:
C) Ecological pyramid

Question 48.
A grass land ecosystem had grass, grasshopper, snake, rabbit, frog and eagle. Then what are the primary consumers ?
A) Grasshopper and frog
B) Grasshopper and snake
C) Grasshopper and rabbit
D) Grasshopper and eagle
Answer:
C) Grasshopper and rabbit

Question 49.
Pyramid: Egypt:: Ecological pyramids:
A) Odum
B) Francis Bacon
C) Charles Darwin
D) Charles Elton
Answer:
D) Charles Elton

Question 50.
By which of the following processes, biomass will be formed in organisms?
A) Respiration
B) Light respiration
C) Photosynthesis
D) Carbon cycle
Answer:
C) Photosynthesis

Question 51.
When biomass is used for energy production, that is called ………………….
A) Bio fuel
B) Bio utilisation
C) Biosphere
D) Food pyramid
Answer:
A) Bio fuel

Question 52.
The transfer of energy from one trophic level to other trophic level
A)20 – 30%
B) 30 – 40 %
C) 50 – 70 %
D) 10 – 20 %
Answer:
D) 10 – 20 %

Question 53.
The ……………. feed on phytoplanktons.
A) Zoo planktons
B) Producers
C) Biomass
D) Insectivorous plants
Answer:
A) Zoo planktons

Question 54.
What happens if plants shed their leaves in Autumn season ?
A) Loss of energy occur
B) Plants will die
C) Decomposers will be destroyed
D) Loss of biomass occur
Answer:
D) Loss of biomass occur

Question 55.
Observe a and b statements.
a. The number of organisms in a food chain can be represented graphically in a pyramid.
b. Each bar represents the number of individuals at each trophic level in the food chain.
A) Both a and b are true
B) a is true, b is false
C) a is false, b is true
D) Both a and b are false
Answer:
A) Both a and b are true

Question 56.
In the figure given below, the various trophic levels are shown in the form of a pyramid. At which trophic level the maximum energy is available ?
AP 10th Class Biology Bits Chapter 9 Our Environment 3
A) T₄
B) T₂
C) T₁
D) T₃
Answer:
C) T₁

Question 57.
The organic material of biological origin that is ultimately derived from the fixation of carbon dioxide by trapping solar energy during photosynthesis is called:
A) Biomass
B) Biofuel
C) Both A and B
D) Pyramid
Answer:
A) Biomass

Question 58.
Which of the following represents a food chain in a pond ecosystem ?

Primary producers	Primray consumers	Secondary consumers
A) Green algae	fish	mosquito larvae
B) Fish	green algae	mosquito larvae
C) Mosquito larvae	fish	green algae
D) Green algae	mosquito larvae	fish

Answer:
D) Green algae mosquito larvae fish

Question 59.
In an aquatic ecosystem, the biomass of phytoplankton is :
A) quite negligible
B) greater
C) lesser
D) none of these
Answer:
C) lesser

Question 60.
Observe the a and b statements.
a. In the pyramid of numbers, as we move to top position the number of organisms decreases.
b. As the number of organisms decrease, the quantity of organisms also decrease.
A) Both a and b are true
B) a is true, b is false
C) a is false, b is true
D) Both a arid b are false
Answer:
A) Both a and b are true

Question 61.
Find out the wrong one in the given flow chart.
AP 10th Class Biology Bits Chapter 9 Our Environment 4
A) 1, 2 correct
B) 2, 3, 4 correct
C) 2, 4 correct
D) All are correct
Answer:
D) All are correct

Question 62.
AP 10th Class Biology Bits Chapter 9 Our Environment 5
In this food chain, the organism which belongs to the second trophic level is………………
A) Snake
B) Plant
C) Grasshopper
D) Frog
Answer:
C) Grasshopper

Question 63.
Consider the following.
a) Aphids are small in size but their number is more.
b) Wood peckers eat aphids. Their number is less, but size is large.
A) Both a & b are true
B) a is true, b is false
C) a is false, b is true
D) Both a & b are false
Answer:
A) Both a & b are true

Question 64.
According to Charles Elton
A) carnivores are atthe top ofthe pyramid
B) energy trapping is high at the top of the pyramid
C) no producers at the top of the pyramid
D) A and C
Answer:
D) A and C

Question 65.
If we invert the pyramid of numbers …………… is formed.
A) Pyramid of biomass
B) Pyramid of energy
C) Pyramid of Egypt
D) Biomass
Answer:
A) Pyramid of biomass

Question 66.
The plants float on the surf ace water of the sea ……………………
A) Phytoplanktons
B) Zoo planktons
C) Producers
D) Pyramid of number
Answer:
A) Phytoplanktons

Question 67.
Phytoplanktons means
A) Plants growing on river side
B) Plants growing on surface of water
C) Plants submerged in water
D) Plants growing on trees
Answer:
B) Plants growing on surface of water

Question 68.
Match the items of first line with second line.
First line :
1. Charles Elton
2. Charles Darwin
3. Lavoisier

Second line:
a) Respiration is a combustion process
b) Ecosystem
c) Evolution
A) 1 – b, 2 – c 3 – a
B) 1 – b, 2 – a 3 – c
C) 1 – c 2 – a 3 – b
D) 1 – c 2 – b 3 – a
Answer:
A) 1 – b, 2 – c 3 – a

Question 69.
Consumers are divided based on the factors given below in an ecosystem .
A) Consumed food
B) Trophic level
C) Consumed food, trophic level
D) Energy
Answer:
C) Consumed food, trophic level

Question 70.
Consider the following.
a. Carnivores are on the top of pyramid of number.
b. These are large in number and size.
A) Both a and b are true
B) a is true, b is false
C) Both a and b are false
D) a is false, b is true
Answer:
B) a is true, b is false

Question 71.
Consider the following.
a. Biomass is prominent in terrestrial ecosystem
b. Pyramid of biomass is always upright
A) Both a and b are true
B) a is true, b is false
C) b is true, a is false
D) Both a and b are false
Answer:
C) b is true, a is false

Question 72.
Observe the following a and b statements:
a) The number of organisms decrease as we move from producers to consumers.
b) Theconsumersareplacedinthefront position in a food chain.
A) Both a and b are true
B) a is true, b is false
C) a is false, b is true
D) Both a and b are false
Answer:
B) a is true, b is false

Question 73.
Observe the a and b statements.
a. The less energy will be available for the higher consumers.
b. Producers will get more energy.
A) Both a and b are true
B) a is true, b is false
C) a is false, b is true
D) Both a and b are false
Answer:
A) Both a and b are true

Question 74.
Observe the a and b statements :
a) Producers are represented atthebase of ‘the pyramid’.
b) The top of the pyramid is represented as empty.
A) Both a and b are true
B) a is true, b is false
C) a is false, b is true
D) Both a and b are false
Answer:
A) Both a and b are true

Question 75.
If a grasshopper is eaten by a frog, then the energy transfer will be from :
A) producer to decomposer
B) producer to primary consumer
C) primary consumer to secondary consumer
D) primary consumer to tertiary consumer
Answer:
C) primary consumer to secondary consumer

Question 76.
In the food chain below, if the amount of energy available at fourth trophic level is 5 KJ, what is the energy available at the producer level ?
Grass → Grasshopper → Frog → Snake → Hawk
A) 500 KJ
B) 50 KJ
C) 5000 KJ
D) 5 KJ
Answer:
C) 5000 KJ

Question 77.
The concept of ‘Ecological Pyramid’ was first proposed by……………….
A) Lindemann
B) Lamarck
C) Steel
D) Charles Elton
Answer:
D) Charles Elton

Question 78.
Fill the empty box choosing the right one from the following.

Type of pyramid	Base
Pyramid of number	Number of organisms
?	Amount of energy

A) Geographical pyramid
B) Pyramid of energy
C) Pyramid of biomass
D) Giza pyramid
Answer:
B) Pyramid of energy

Question 79.
Consider the following.
a. The amount of bio-mass decreases from producers to carnivores in: terrestrial ecosystem.
b. The amount of bio-mass decreases from producers to carnivores in aquatic ecosystem.
A) Both a and b are true
B) a is true, b is false
C) Both a and b are false
D) a is false, b is true
Answer:
A) Both a and b are true

Question 80.
Find out the missing thing from the table

Type of pyramid	Base
Pyramid of number	Number of organisms
Pyramid of energy	?

A) Ecological pyramid
B) Flow of energy
C) Flow of biomass
D) Giza pyramid
Answer:
B) Flow of energy

Question 81.
Find out the pyramid with right position of the organisms.
AP 10th Class Biology Bits Chapter 9 Our Environment 6
A) i only
B) i, ii,
C) All are correct
D) ii, iii.
Answer:
B) i, ii,

Question 82.
Herbivores disappeared from ecosystem. Find the pyramid related to that.
AP 10th Class Biology Bits Chapter 9 Our Environment 7
Answer:

Question 83.
Consider the following.
a) Biomass in each trophic level is always less than the trophic level below.
b) Biomass is a measure of the amount of food available.
A) Both a & b are true
B) a is true, b is false
C) a is false, b is true
D) Both a & b are false
Answer:
A) Both a & b are true

Concept – 3 : The Story of Kolleru Lake

Question 84.
In an industrial area so many industrial effluents are released into the water. If the residues are found in the organisms of food chain it is ……………..
A) Bio – accumulation
B) Bio – oxygen
C) Bio – pollution
D) Bio – magnification
Answer:
A) Bio – accumulation

Question 85.
Rotation of crops, Genetic strains, Sterility are the ……………… methods to prevent the pests.
A) Bio – accumulation
B) Bio – magnification
C) Biological control
D) Environmental ethics
Answer:
C) Biological control

Question 86.
Kolleru lake discharges its water into the Bay of Bengal through the ………………. channel.
A) River Narmada
B) River Godavari
C) Maddileru channel
D) Upputeru channel
Answer:
D) Upputeru channel

Question 87.
Kolleru lake attracts migrating birds from Asia and Eastern Europe of about ……………. birds per year.
A) 25,00,000 birds
B) 20,00,000 birds
C) 35,00,000 birds
D) 15,00,000 birds
Answer:
B) 20,00,000 birds

Question 88.
Expand BOD.
A) Biological Oxygen Deficiency
B) Basic Organic Dominance
C) Biological Oxygen Demand
D) Basal Organic Demand
Answer:
C) Biological Oxygen Demand

Question 89.
In 1999 November, the Government of Andhra Pradesh had declared the Kolleru lake as …………………
A) Bird sanctuary
B) Wild life sanctuary
C) National park
D) Pisciculture centre
Answer:
A) Bird sanctuary

Question 90.
The Mercury, Arsenic and Lead in pesticides ………………
A) do not break down
B) break down
C) increases purity
D) can’t accumulate
Answer:
A) do not break down

Question 91.
Entry of pollutants into a food chain is …………………….
A) Bio-accumulation
B) Bio-magnification
C) Bio-mass
D) Bio-degradation
Answer:
A) Bio-accumulation

Question 92.
The bio indicators of heavy metal pollutants
A) Cadmium
B) Fishes
C) Aquatic animals
D) Mercury
Answer:
B) Fishes

Question 93.
The tendency of pollutants to concentrate as they move from one trophic level to the next is ……………………
A) Bio – control
B) Bio – magnification
C) Bio – accumulation
D) Bio – remediation
Answer:
B) Bio – magnification

Question 94.
The common scale carp which is used as food in Edulabad Water Reservoir is
A) Cyprinus Carpio
B) Mrigala Mrigala
C) Cutla Cutla
D) Cyprinus Cyprinus
Answer:
A) Cyprinus Carpio

Question 95.
What happened in Kolleru lake due to over alkalinity and mud formation?
The percentage of O₂ decrease b. More increase in Biological Oxygen Demand and impact on aquatic organisms.
A) a is true
B) b is true
C) Both a and b are true
D) Both a and b are false
Answer:
C) Both a and b are true

Concept – 4 : Edulabad Water Reservoir

Question 96.
The metal which causes Minamata disease is ………………….
A) Iron
B) Mercury
C) Zinc
D) Arsenic
Answer:
B) Mercury

Question 97.
Which of the following is not an alternative to pesticides ?
A) Rotation of crops
B) Sterility
C) Genetic strains
D) Spray of pesticides
Answer:
D) Spray of pesticides

Question 98.
Many pollutants are released into water from an industrial area. If residue appears in living organisms of a food chain, then it is called
A) Bio remediation
B) Bio mimicry
C) Bio pollution
D) Bio magnification
Answer:
D) Bio magnification

Question 99.
The aquatic biota is being contaminated with heavy metals due to industrialization and anthropogenic activities.
The above statement is ……………………..
A) Correct
B) Wrong
C) Not accurate
D) Can’t say
Answer:
A) Correct

Question 100.
You observed fish in the industrial areas. Some of the following heavy metals are found in them.
i) lead
ii) cadmium
iii) nickel
A) i only
B) i, ii only
C) i, iii only
D) All are correct
Answer:
D) All are correct

Question 101.
Arsenic elements are seen in milk of cow. The correct word that explains it.
A) Bio control
B) Bio accumulation
C) Bio remediation
D) Bio magnification
Answer:
D) Bio magnification

Question 102.
The following is not a reason for imbalance in ecosystem.
A) Deforestation
B) Same crop harvest
C) Crop rotation
D) Constructing dams
Answer:
C) Crop rotation

Question 103.
Latha says excessive nutrient addition, especially from anthrppogenic sources, led to explosive weed growth. Sarala denied Latha’s hypothesis.
A) Latha is wrong
B) Sarala is wrong
C) Both are wrong
D) Latha is correct
Answer:
D) Latha is correct

Question 104.
The bio-accumulated components of pesticides which entered the food chain are :
A) Arsenic
B) Mercury
C) Lead
D) All of the above
Answer:
D) All of the above

Question 105.
Which of the following is not a biodegradable substance ?
A) Cotton
B) Animal bones
C) Aluminuim foil
D) Wood
Answer:
C) Aluminuim foil

Question 106.
The physiological disorder due to accumulation of heavy metals into human beings through food chain is
A) Renal damage
B) Tooth decay
C) Loss of eye sight
D) Heart diseases
Answer:
A) Renal damage

Question 107.
In Japan in 1956, the Minamata disease was caused by this highly toxic chemical in water.
A) Methyl Isocyanide
B) Mercury Isocyanide
C) Potassium Isocyanide
D) Methyl Mercury
Answer:
D) Methyl Mercury

Concept – 5 : Sparrow Campaign

Question 108.
The cruel campaign against which bird is initiated in 1958 in China ?
A) Parrots
B) Sparrows
C) Crows
D) Vultures
Answer:
B) Sparrows

Question 109.
“Sparrow Campaign” incident occurred in
A) China
B) Japan
C) Korea
D) India
Answer:
A) China

Question 110.
These insects population grew due to killing of sparrows in China in 1958.
A) Cockroach
B) Locusts
C) Earthworm
D) B & C
Answer:
B) Locusts

Question 111.
Killing of sparrows resulted in
A) Controlling of locusts
B) Controlling of human population
C) Great Chinese famine
D) Production of food
Answer:
C) Great Chinese famine

Question 112.
What did people do in Sparrowg Campaign in China ?
A) Nests were torn down
B) Eggs were broken
C) Nestlings were killed
D) All of the above
Answer:
D) All of the above

Concept – 6 : Steps towards Prevention

Question 113.
Ban all pesticides, this means that
A) Control on usage of pesticides
B) Prevention of pesticides
C) Promote eco friendly agricultural practices
D) Stop bio chemical factories
Answer:
C) Promote eco friendly agricultural practices

Question 114.
The correct way for facilitating shelter for growing population.
A) Destruction of forests and making shelter
B) Building shelters at sea – shore area
C) Making habitat without destructing eco-system
D) Converting marshy land into habitat
Answer:
C) Making habitat without destructing eco-system

Question 115.
Sujatha asked to cut grass and green plants to keep the surroundings clean. This is opposed by Raffee. Why ?
A) Need more labour
B) Takes more time
C) Disturbs equilibrium
D) Artificial environment
Answer:
C) Disturbs equilibrium

Question 116.
A farmer introduced lizards in his field. The phenomenon is …………………..
A) The method of environmental ethics
B) Bio – control
C) Bio – accumulation
D) Bio – magnification
Answer:
B) Bio – control

AP 10th Class Biology Bits Chapter 8 Heredity with Answers

August 10, 2021

Practice the AP 10th Class Biology Bits with Answers Chapter 8 Heredity on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 10th Class Biology Bits 8th Lesson Heredity with Answers

Concept – 1 : Introduction – New Characters and Variations

Question 1.
Which of the following is not a variation in rose plant ?
A) Coloured petals
B) Spines
C) Tendrils
D) Leaf margin
Answer:
C) Tendrils

Question 2.
Observe the following a and b statements.
a : All the family members have identical characters,
b : Differences in character within very closely related groups of organisms are referred to as variations.
A) a and b both are true
B) a is true, b is false
C) a is false, b is true
D) a and b both are false
Answer:
C) a is false, b is true

Question 3.
The process of transmission of varied characters to offspring from parents
A) Inheritance
B) Mutations
C) Diversity
D) Environment
Answer:
A) Inheritance

Question 4.
The exchange of genetic material takes place in:
A) vegetative reproduction
B) asexual reproduction
C) sexual reproduction
D) budding
Answer:
C) sexual reproduction

Question 5.
Passing of characters from parents to offsprings is called
A) Heredity
B) Natural selection
C) Variations
D) Acquired characters
Answer:
A) Heredity

Concept – 2 : Mendelian Characters

Question 6.
Father of Genetics
A) Darwin
B) Morgan
C) Wallace
D) Mendel
Answer:
D) Mendel

Question 7.
According to Mendel, alleles have the following character
A) Pair of genes
B) Responsible for character
C) Production of gametes
D) Recessive factors
Answer:
A) Pair of genes

Question 8.
Gregor Mendel, a scientist belongs to ……………… country. He used ……………….. as a laboratory.
A) Germany, Science lab
B) Austria, Monastery garden
C) Austria, Royal science lab
D) Germany, Monastery garden
Answer:
B) Austria, Monastery garden

Question 9.
Which of the following is a unique identification to each individual ?
A) Iris of eye
B) Marking on thumb
C) Ear lobes
D) Only A & B
Answer:
D) Only A & B

Question 10.
Which of the following statements is NOT true about the Mendel’s selection of garden pea for his experiment ?
A) Well defined characters
B) Bisexual flowers
C) Predominantly self fertilisation
D) Cheap is cost
Answer:
D) Cheap is cost

Question 11.
According to Mendel, each character is expressed due to a pair of alleles or traits, which are known as
A) Genes in pairs
B) Response for the character
C) Production of gametes
D) Inherent character
Answer:
A) Genes in pairs

Concept – 3 : Examples of Experiments Performed by Mendel

Question 12.
The genotypic ratio in F₁ generation when crossed the tall and short plants.
A) 1 : 2: 1
B) 3 : 1
C) 9 : 3 : 3 :1
D) 1 : 2 : 3
Answer:
A)1 : 2: 1

Question 13.
From which of the following F₂ generation is produced ?
A) Parental generation
B) F₂ generation
C) F₁ generation
D) From F₂ generation only
Answer:
C) F₁ generation

Question 14.
The % of short character in F₂ generation is ………………..
A) 100%
B) 75%
C) 50%
D) 25%
Answer:
D) 25%

Question 15.
If the % of long plants is 75, then it should be represented in ………………….
A) Genotype
B) Phenotype
C) General
D) Can’t say
Answer:
B) Phenotype

Question 16.
According to Mendel, for one character there is a pair of
A) Traits
B) Factors
C) Genes
D) Homozygous
Answer:
B) Factors

Question 17.
The long plants always produce long plants only
A) Yes
B) No
C) Can’t say
D) Short plants also produced
Answer:
D) Short plants also produced

Question 18.
The plants where the dominant character is maintained for successive generations is …………………
A) Pure breed
B) Cross breed
C) Heterozygous
D) Dominants
Answer:
A) Pure breed

Question 19.
Which of the following is not the reason for choosing of pea plant by Mendel for his experiments ?
A) Having bisexual flower
B) Annual plant
C) Self – Pollination
D) Not suitable for crossing
Answer:
D) Not suitable for crossing

Question 20.
Observe the a, b statements.
a : Yellow colour YY is pure breed.
b : Green colour yy is also pure breed.
A) Both a and b are true
B) a is true, b is false
C) a is false b is true
D) Both a and b are false
Answer:
A) Both a and b are true

Question 21.
In F₁ generation, if Y is dominated over y, thfcn y is called …………….. character.
A) Recessive
B) Dominant
C) Phenotype
D) Genotype
Answer:
A) Recessive

Question 22.
The alleles or factors which were named by Mendel are known as …………….
A) Genes
B) Heritable factors
C) Factors
D) Traits
Answer:
A) Genes

Question 23.
Why did Mendel select pea plants for his experiments ?
A) Consists of unisexual flowers
B) Consists of bisexual flowers
C) Conducting self fertilisation
D) B and C
Answer:
D) B and C

Question 24.
In F₁ generation the character which is expressed is ……………… and not expressed one is ……………………
A) Recessive, Dominant
B) Dominant, Recessive
C) Pure breed, Dominant
D) Dominant, Pure breed
Answer:
B) Dominant, Recessive

Question 25.
The visible characteristic in an organism is known as:
A) prototype
B) stereotype
C) phenotype
D) genotype
Answer:
C) phenotype

Question 26.
1 : 2 : 1 of F₂ generation is ……………….
A) Phenotypic ratio
B) Genotypic ratio
C) Homozygous
D) Heterozygous
Answer:
B) Genotypic ratio

Question 27.
We indicate yellow or green as ……………. and round or wrinkled as ………………
A) YYRR
B) YyYy
C) Yy-Rr
D) yy-rr
Answer:
C) Yy-Rr

Question 28.
Which of the following is not related to the character which was observed by Mendel ?
A) Colour of the flower
B) Colour of the seed
C) Colour of unripen pod
D) Colour of root
Answer:
D) Colour of root

Question 29.
Which of the following may be used to obtain F₂ generation ?
A) allowirig flowers in a parent plant to be self-pollinated
B) allowing flowers in F₁ plant to be self- pollinated
C) cross-pollinating F₁ plant with a parent plant
D) cross-pollinating two parent plants
Answer:
B) allowing flowers in F₁ plant to be self- pollinated

Question 30.
If Yy represents yellow colour, then which colour will be dominant ?
A) Green
B) White
C) Yellow
D) Red
Answer:
C) Yellow

Question 31.
Read the following information
A pea plant having two copies of the gene for tallness (TT) pollinates with a pea plant having two copies of the gene for dwarf ness (tt). The resulting offspring produced after pollination, was found to be tall.
What genetic combination is predicted in the offspring?
A) only tt
B) Only Tt
QTt or TT
D)tt or TT
Answer:
B) Only Tt

Question 32.
From the results, it can be concluded that in F₂ generation the actual number of round seeds Mendel obtained were:
A) 1881
B) 22572
C) 2508
D) 5643
Answer:
D) 5643

Question 33.
If there are two identical factors for a character, it is called ………………..
A) Heterozygous
B) Homozygous
C) Allele
D) Genetic form
Answer:
B) Homozygous

Question 34.
If there are two different factors for a character, it is called …………………..
A) Heterozygous
B) Homozygous
C) Independent assorts
D) Dominant
Answer:
A) Heterozygous

Question 35.
The pair of genes for each character is represented as
A) Heterozygous
B) Homozygous
C) Alleles
D) Factors
Answer:
C) Alleles

Question 36.
Passing of traits independently is known as ………………….
A) Law of Dominance
B) Law of Segregation
C) Formula of Gene factor
D) Law of Independent Assortment
Answer:
D) Law of Independent Assortment

Question 37.
The law which states that “Among two factors, one is passed to or expressed in the progeny” is called ………………
A) Law of Dominance
B) Law of Segregation
C) Formula of Gene factor
D) Law of Independent assortment
Answer:
A) Law of Dominance

Question 38.
The receiving of one allele each from both parents is called ………………….
A) Law of Dominance
B) Law of Segregation
C) Formula of Gene factor
D) Law of Independent assortment
Answer:
B) Law of Segregation

Question 39.
The characters that transmit from parent to offspring are …………………..
A) Genetic characters
B) Heritable characters
C) Heridital characters
D) Intellect, cleverness
Answer:
B) Heritable characters

Question 40.
The transmission of character or traits from parents to offsprings is called
A) Heredity
B) Inheritance
C) Heir
D) Respect of family
Answer:
A) Heredity

Question 41.
In order to ensure that he had pure-breeding plants for his experiments, Mendel:
A) cross-fertilised each variety with each other
B) let each variety self fertilise for several – generations
C) removed the female parts of the plants
D) removed the male parts of the plants.
Answer:
B) let each variety self fertilise for several – generations

Question 42.
A cross between a tall plant (TT) and short plant (tt) resulted in progeny that were all tall plants because :
A) tallness is the dominant trait
B) shortness is the dominant trait
C) tallness is the recessive trait
D) height of plant is not governed by gene T or t
Answer:
A) tallness is the dominant trait

Question 43.
AP 10th Class Biology Bits Chapter 8 Heredity 1
The above box indicates
A) Gross pollination in F₁ – generation
B) Self pollination in F₁ – generation
C) Cross pollination in F₂ – generation
D) Self pollination in F₂ – generation
Answer:
B) Self pollination in F₁ – generation

Question 44.
Which of the following statements is not true?
A) Malthus theory was written in ‘An essay on the principles of population’.
B) The ‘Origin of Species’ was written by Charles Lyell.
C) The theory of ‘Natural Selection’ was proposed by Charles Darwin.
D) Jean Baptist Lamark proposed a theory of ‘Inheritance of acquired characters’.
Answer:
B) The ‘Origin of Species’ was written by Charles Lyell.

Question 45.
What is genotypic ratio of monohybrid crdss between homozygous tall pea plant with homozygous dwarf pea plant?
A) 2 : 1 : 1
B) 1 : 1 : 2
C) 1 : 2 :1
D) 2 : 2 : 1
Answer:
C) 1 : 2 :1

Question 46.
Study the following:
a) Phenotype ratio 3 : 1
b) Genotype ratio 9 : 3 : 3 : 1
Identify the correct ones.
A) a, b
B) a is correct and b is not correct
C) a is incorrect and b is correct
D) Both a, b incorrect
Answer:
B) a is correct and b is not correct

Question 47.
Yellow and round seeded pea plant has ‘ genotype YyRr. The gametes produced shall be ………………….
A) Yy, Rr
B) YR, yR, Yr, yr
C) YR, yr
D) Y, y, R, r
Answer:
D) Y, y, R, r

Question 48.
When a pure yellow seed plant is crossed with a pure green seed plant in F₁ generation, the seeds are ……………….
A) all yellow seeds
B) all green seeds
C) 75% yellow, 25% green seeds
D) 50% yellow, 50% green seeds
Answer:
C) 75% yellow, 25% green seeds

Question 49.
Pheotypic ratio of Fj generation in Mendel’s monohybrid cross
A) 1 : 2 : 1
B) 2 : 1
C) 3 : 1
D) 1 : 5 : 2
Answer:
C) 3 : 1

Question 50.
In pea plants, a pure tall plant (TT) is crossed with a pure short plant (tt). The ratio of pure tall plants to pure short plant in F₁ generation will be …………………
A) 1 : 3
B) 3 : 1
C) 1 : 1
D) 2 : 1
Answer:
B) 3 : 1

Concept – 3 : Parent to Progeny

Question 51.
The sexual chromosome will be represented as ……………. in males and as ………. in females.
A) XX, XY
B) YY, XX
C) XXX, XY
D) XY, XX
Answer:
D) XY, XX

Question 52.
Girl: XX Chromosomes :: Boy:………………
A) XY Chromosomes
B) LX Chromosomes
C) XL Chromosomes
D) XX Chromosomes
Answer:
A) XY Chromosomes

Question 53.
In human beings DNA controls the characters whereas in viruses ………….. controls the character.
A) RNA
B) ABA
C) Synthetic DNA
D) Retro RNA
Answer:
A) RNA

Question 54.
The structure of ,DNA is …………………..
A) Spherical
B) Double helix
C) Straight
D) Circular
Answer:
B) Double helix

Question 55.
Which of the following is not the base of Nitrogen in DNA ?
A) Adenine
B) Guanine
C) Uracil
D) Thymine
Answer:
C) Uracil

Question 56.
The number of autosomes in human beings
A) 23 pairs
B) 22 pairs
C) 1 pair
D) 46 pairs
Answer:
B) 22 pairs

Question 57.
The allosome in males is ………………..
A) XX
B) XXX
C) XY
D) XO
Answer:
C) XY

Question 58.
Raju’s chromosomes are 44 + XY and his wife Rani’s chromosomes are 44 + XX. Then their first male child will have these chromosomes
A) 44 + XX
B) 22 + XX
C) 44 + XY
D) 44 + YY
Answer:
C) 44 + XY

Question 59.
The bodily changes …………………..
A) bring changes in DNA
B) help in evolution
C) do not bring changes in DNA
D) bring changes in RNA
Answer:
C) do not bring changes in DNA

Question 60.
Scientist who discovered the structure of DNA is
A) Watson
B) Crick
C) Both
D) None of them
Answer:
C) Both

Question 61.
Gene : DNA:: Virus : ……………….. ?
A) DNA
B) NAA
C) RNA
D) IAA
Answer:
C) RNA

Question 62.
Who, in the following is not related to the discovery of DNA ?
A) James Watson
B) Francis Crick
C) Mouris Wilkinse
D) James Douglas
Answer:
D) James Douglas

Question 63.
The following picture depicts the DNA. What is the structure of DNA ?
AP 10th Class Biology Bits Chapter 8 Heredity 2
A) Spherical
B) Double Helix
C) Dumbell
D) Round and longitudinal
Answer:
B) Double Helix

Question 64.
During the following, variation occurs.
i) During reproduction
ii) Changes in DNA transcription
iii) Changes in RNA transcription
iv) Synthesis of protein
A) i, ii, iii only
B) i only
C) i and ii only
D) i and iv only
Answer:
C) i and ii only

Question 65.
In human males all the chromosomes are paired perfectly except one. This/ these unpaired chromosomes is/are :
i) large chromosome
ii) small chromosome
iii) Y chromosome
iv) X chromosome
A) i and ii
B) iii only
C) iii and iv
D) ii and iv
Answer:
C) iii and iv

Question 66.
Wfliich of the following statements is incorrect with respect to variations ?
A) All variations in a species have equal chance of survival
B) Change in genetic compositionresults in variations
C) Selection of variations by environmental factors is the basis of evolutionary process
D) Variations are minimum in asexual reproduction
Answer:
A) All variations in a species have equal chance of survival

Question 67.
New species may be formed if :
i) DNA undergoes significant changes in germ cells .
ii) Chromosome number changes in the gamete
iii) There is no change in the genetic material
iv) Mating does not take place
A) i and ii
B) i and ii
C) i, iii and iv
D) i, ii and iii
Answer:
B) i and ii

Question 68.
Observe the pictorial representation of sex determination in human beings. The A and B in the below given picture respectively represents :
AP 10th Class Biology Bits Chapter 8 Heredity 3
A) Male, Female
B) Female, Male
C) Male, Male
D) Female, Female
Answer:
B) Female, Male

Question 69.
Select the statements that describe characteristics of genes :
i) Genes are specific sequence of bases in a DNA molecule
ii) A gene does not code for proteins
iii) In individuals of a given species, gene is located on a particular chromosome
iv) Each chromosome has only one gene.
A) i and ii
B) i and iii
C) i and iv
D) ii and iv
Answer:
B) i and iii

Concept – 5 : Evolution

Question 70.
Weak deer cannot live long in a forest according to Darwin’s principle.
What concept does it show ?
A) Evolution
B) Acquired character
C) Ecosystem
D) Survival of the fittest
Answer:
D) Survival of the fittest

Question 71.
In Galapagos Islands, Darwin observed variations in structure in …………………….
A) Elephants
B) Giraffes
C) Rats
D) Finch birds
Answer:
D) Finch birds

Question 72.
Finch birds are found in ……………. island.
A) Java, Sumitra
B) Andaman, Nicobar
C) Galapagos
D) Hawai
Answer:
C) Galapagos

Question 73.
Natural selection means
A) Nature selects desirable characters
B) Nature rejects undesirable characters
C) Nature reacts with an organism
D) A and B
Answer:
D) A and B

Question 74.
The scientist who defined the Heredity basing on the Giraffe ………………
A) Charles Darwin
B) Lamarck
C) William Harvey
D) Beagle
Answer:
B) Lamarck

Question 75.
The scientist who proved that the bodily changes are not inherited is …………………..
A) Charles Darwin
B) Weissmann
C) Lamarck
D) Harvey
Answer:
B) Weissmann

Question 76.
The organisms which have the patagium (skin folds) is …………………
A) Bat
B) Owl
C) Fish
D) Aves
Answer:
A) Bat

Question 77.
Evolution is a :
A) Slow process
B) Discontinuous process
C) Continuous process
D) Both A and C
Answer:
A) Slow process

Question 78.
Slow and stable process is ………………….
A) Evolution
B) Quantity
C) Mutation
D) Variation
Answer:
A) Evolution

Question 79.
The change occurring suddenly or spontaneously is …………………….
A) Evolution
B) Variation
C) Mutation
D) Genetic change
Answer:
C) Mutation

Question 80.
The fly on which Morgan experimented …………………
A) Musca Domestica
B) Apis Meliphera
C) Oenotheora
D) Drosophila Melanogastor
Answer:
D) Drosophila Melanogastor

Question 81.
The small changes in the frequency of genes in small population is called
A) Genetic change
B) Alleles
C) Natural selection
D) Genetic drift
Answer:
D) Genetic drift

Question 82.
The scientist who proposed the Evolution Theory
A) Charles Darwin
B) August Weismann
C) Alfred Wallace
D) Jean Lamarck
Answer:
D) Jean Lamarck

Question 83.
According to theory of Lamarck ………………………
A) inheritable traits are not useful for heredity
B) acquiring the traits is so difficult
C) the acquired traits passed onto its progeny
D) the bodily changes inherit
Answer:
C) the acquired traits passed onto its progeny

Question 84.
Which is not the contrasting character Mendel chose in pea plant ?
A) Shape and colour of pod
B) Colour and position of flower
C) Shape and colour of seed
D) Length and thickness of stem
Answer:
D) Length and thickness of stem

Question 85.
The “Origin of Species” is written by …………………….
A) Charles Darwin
B) Baptiste Lamarck
C) Charles Lyell
D) Gregor Johann Mendel
Answer:
A) Charles Darwin

Question 86.
Find the correct statement(s) regarding Darwin :
A) He was born in England.
B) He proposed natural selection theory
C) He observed birds diversity in the Galopagos Islands.
D) All the above
Answer:
D) All the above

Question 87.
Travelling by the ship HMS Beagle Charles Darwin landed on one of these islands.
A) Maldives
B) Andaman, Nicobar islands
C) Galapagos islands
D) Fiji islands
Answer:
C) Galapagos islands

Question 88.
The book “Principles of Geology” was written by
A) Charles Darwin
B) Charles Lyell
C) Malthus
D) J.B. Lamarck
Answer:
B) Charles Lyell

Question 89.
Theory of natural selection is influenced by the theory of;
A) Darwin
B) Malthus
C) Lyell
D) Lamarck
Answer:
B) Malthus

Concept – 6 : Acquired and Inherited Characters and Evolution

Question 90.
The scientist who studied on rats by cutting their tails and disproved Lamarck theory is ………………..
A) Darwin
B) Watson
C) Weismann
D) Mendel
Answer:
C) Weismann

Question 91.
The propounder of Natural Selection is …………………
A) August Weismann
B) Charles Darwin
C) Malthus
D) Charles Lyell
Answer:
B) Charles Darwin

Question 92.
The scientist who proposed the Theory of Population is ………………………
A) Malthus
B) Charles Darwin
C) Charles Lyell
D) Weismann
Answer:
A) Malthus

Question 93.
The scientist who suggested the geological changes occurred in a uniform rate …………………….
A) Malthus
B) Charles Darwin
C) Charles Lyell
D) Weismann
Answer:
C) Charles Lyell

Question 94
……………. influences whether the organism should survive or perish in nature.
A) Growth of organism
B) Genes
C) Nature
D) Variations
Answer:
C) Nature

Question 95.
The scientist who also proposed like Darwin that the new organisms formed due to the natural selection.
A) T. S. Huxley
B) A. R. Wallace
C) Charles Lyell
D) August Weismann
Answer:
B) A. R. Wallace

Question 96.
Match the following.

1. DNA	a) Father of Genetics
2. Mendel	b) Natural selection
3. Darwin	c) Double helix

A) 1 – a, 2 – b, 3 – c
B) 1 – b, 2 – c, 3 – a
C) 1 – c, 2 – b, 3 – a
D) 1 – c, 2 – a, 3 – b
Answer:
D) 1 – c, 2 – a, 3 – b

Concept – 7 : Speciation and Evidences of Evolution

Question 97.
The small changes within the species are called ……………….
A) Macro evolution
B) Variation
C) Mutation
D) Micro evolution
Answer:
D) Micro evolution

Question 98.
The changes in large species leading to formation of new species is called
A) Macro evolution
B) Variation
C) Mutation
D) Micro evolution
Answer:
A) Macro evolution

Question 99.
The fore limb (fins) of a whale, wings of a bat, legs of a cheetah are the examples of ………………….
A) Homologous organs
B) Divergent evolution
C) Analogous organs
D) Convergent evolution
Answer:
A) Homologous organs

Question 100.
Which of the following are Analogous organs ?
A) Wings of birds, leg of a cheetah
B) Wings of bat, fins of whale
C) Wings of birds, wings of bat
D) Wings of bat, legs of horse
Answer:
C) Wings of birds, wings of bat

Question 101.
In which of the following patagium is found?
A) Birds
B) Wings of Bat
C) Tail of Monkey
D) Fin of Whale
Answer:
B) Wings of Bat

Question 102
……………… is the study of the development of an organism from egg to adult stage.
A) Biogeology
B) Science of Evolution
C) Embryology
D) Cell science
Answer:
C) Embryology

Question 103.
The larva of frog resembles to ……………….
A) Frog
B) Aves
C) Fish
D) Reptile
Answer:
C) Fish

Question 104.
The science which revealed that there is a common ancestor from which all the vertebrates are evolved
A) Palaeontology
B) Embryology
C) Morphology
D) Science of Evolution
Answer:
B) Embryology

Question 105.
Organs having same anatomical structure but differ in their function are called homologous organs. Organs having different anatomical structure but perform same functions are called analogous organs. Then what are the homologous organs among the following ?
1. Leg of a cheetah
2. Wing of a bat
3. Wing of a bird
A) 2 and 3
B) 1 and 3
C) 1 and 2
D) All the above
Answer:
C) 1 and 2

Question 106.
Find the odd one out as per homologous organs.
A) Blue whale(whale)
B) Pigeon
C) Bat
D) Man
Answer:
B) Pigeon

Question 107.
What phenomenon is depicted in the below given picture ?
AP 10th Class Biology Bits Chapter 8 Heredity 4
A) Natural selection
B) Variation
C) Speciation
D) Segregation
Answer:
C) Speciation

Question 108.
Macro evolution is:
A) The process of species formation
B) The process of genus formation
C) The process of formation of family
D) The process of order formation
Answer:
A) The process of species formation

Question 109.
The following diagrams are examples of ………………
AP 10th Class Biology Bits Chapter 8 Heredity 5
A) Analogous organs
B) Homologous organs
C) Catalogous organs
D) Anabolic organs
Answer:
B) Homologous organs

Question 110.
Which of the following statements is incorrect ?
A) Forelimbs of a whale, wings of a bat, legs of a cheetah, hands of a man are the examples of homologous organs.
B) The study of fossils is called paleontology.
C) Embryology is the study of the development of an organism from egg to adult.
D) There are nearly 150 vestigial organs in human beings.
Answer:
C) Embryology is the study of the development of an organism from egg to adult.

Question 111.
The wings of bats have skin folds
stretched between elongated fingers is called……………….
A) Adipose
B) Patagium
C) Blupper
D) Malphigium
Answer:
B) Patagium

Concept – 8 : Fossils

Question 112.
The method of determining the age of fossils.
A) Potassium dating
B) Radium dating
C) Carbon dating
D) Uranium dating
Answer:
C) Carbon dating

Question 113.
The age of fossils is determined by calculating the half life period of
A) Isobars
B) Isotopes
C) Radio activitiy
D) Carbon dating
Answer:
D) Carbon dating

Question 114.
The connecting link between aves and reptiles is ………………….
A) Dinosaurs
B) Lizard
C) Omithorinchus
D) Archeopteryx
Answer:
D) Archeopteryx

Question 115.
Some unused organs remain in the body are called
A) Homologous organs
B) Vestigial organs
C) Analogous organs
D) Convergent organs
Answer:
B) Vestigial organs

Question 116.
The fossil found in Adilabad of Telangana state is ……………….
A) Ecthyosaurs
B) Boronchiosaurs
C) Ketosaurs
D) Condricthes
Answer:
C) Ketosaurs

Question 117.
Amphibians, reptiles, birds and mammals indicate a common ancestry as they have
AP 10th Class Biology Bits Chapter 8 Heredity 6
Answer:

Question 118.
In which of the following rocks the fossils were formed ?
A) Magnus rocks
B) Sediments
C) Modified rocks
D) All of the above
Answer:
B) Sediments

Question 119.
Reason for dying of red colour beetles and increase of green coloured beetles …………………….
A) Green beetles have more resistance
B) Less life time in red coloured beetles
C) Variation in the colour
D) Crows like red coloured beetles
Answer:
C) Variation in the colour

Question 120.
Palaeontologist deals with
A) Embryological evidences
B) Fossil evidences
C) Vestigial organ evidences
D) All
Answer:
B) Fossil evidences

Question 121.
Appendix ………………..
A) Essential in the human digestive system
B) Not useful for digestive system
C) The main part of small intestine
D) The part of large intestine
Answer:
B) Not useful for digestive system

Question 122.
The moving museum of vestigial organs is …………………..
A) Homoerectus
B) Existing man
C) Chimpanzee
D) Neanderthal man
Answer:
B) Existing man

Question 123.
The study of fossils is ………………….
A) Geology
B) Embryology
C) Palaeontology
D) Science of Evolution
Answer:
C) Palaeontology

Question 124.
Which of the following diagrams represent the fossils ?
AP 10th Class Biology Bits Chapter 8 Heredity 8
A) 1
B) 2 and 3
C) 1 and 2
D) All the above
Answer:
D) All the above

Question 125.
Which of the following statement(s) is (are) true about human evolution ?
A) All humans are a single species the Homo sapiens.
B) Skin colour is the most common way of identifying the races.
C) The genetic foot prints of humans, (Homo sapiens), show that all human beings have evolved
D) All the above
Answer:
D) All the above

Question 126.
The organs which perform different functions but have the same basic structure are known as
A) homologous organs
B) analogous organs
C) homoloytic organs
D) analytic organs
Answer:
A) homologous organs

Question 127.
The appearance of vestigial organs in human beings is called :
A) Darwinism
B) Lamarckism
C) Atavism
D) Both A and B
Answer:
C) Atavism

Question 128.
Homosapiens appeared about these years ago.
A) 1.8 million
B) 40,000
C) 3,00,000
D) 2.5 million
Answer:
B) 40,000

Question 129.
Number of vestigial organs present in human beings is ………………………
A) 95
B) 120
C) 180
D) 240
Answer:
C) 180

AP 10th Class Biology Bits Chapter 7 Coordination in Life Processes with Answers

August 9, 2021

Practice the AP 10th Class Biology Bits with Answers Chapter 7 Coordination in Life Processes on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 10th Class Biology Bits 7th Lesson Coordination in Life Processes with Answers

Concept – 1 : Feeling Hungry

Question 1.
When the ………………. level in the blood falls, we feel hunger.
A) Glycogen
B) Plasma
C) Blood cells
D) Glucose
Answer:
D) Glucose

Question 2.
The factor for hunger pangs
A) Leptin
B) HCl
C) Ghrelin
D) Peristalsis
Answer:
C) Ghrelin

Question 3.
The hormone which suppresses the hunger is …………………….
A) Pepsin
B) Leptin
C) Trypsin
D) Ghrelin
Answer:
B) Leptin

Question 4.
The Japanese savory is …………………
A) Bitter
B) Umami
C) Uhani
D) Mirchi powder
Answer:
B) Umami

Question 5.
i) The hormone that stimulates hunger pangs.
ii) The hormone secreted when stomach is full.
A) i – Leptin; ii – Ghrelin
B) i – Ghrelin; ii – Leptin
C) i – Ghrelin; ii – Ptyalin
D) i – Ptyalin; ii – Leptin
Answer:
B) i – Ghrelin; ii – Leptin

Question 6.
When we are hungry, the hunger pangs arise ip our stomach. These hunger pangs are controlled by …………………..
A) diencephalon and 10^th cranial nerve
B) medulla oblongata
C) diencephalon and 5^th cranial nerve
D) peripheral nerves
Answer:
A) diencephalon and 10^th cranial nerve

Question 7.
The duration of hunger pangs in the stomach
A) 1 – 3 hrs
B) 30 – 45 hrs
C) 30 – 45 min
D) 4 – 5 hrs
Answer:
C) 30 – 45 min

Question 8.
Which of the following is not concerned with Ghrelin ?
A) This hormones secreted when the stomach is empty.
B) Certain cells in the walls of stomach secretes Ghrelin.
C) Due the Ghrelin, hunger signals generate.
D) Ghrelin suppresses the hunger.
Answer:
D) Ghrelin suppresses the hunger.

Question 9.
Which of the following is not concerned with hunger pang signals ?
A) Ghrelin
B) Vagus nerve
C) Diencephelon
D) Umami
Answer:
D) Umami

Question 10.
If ghrelin is not secreted ………………….
A) No hunger pangs
B) Hunger pdngs occur
C) Severe hunger pangs
D) No secretion of enzymes
Answer:
A) No hunger pangs

Question 11.
The system which controls the levels of glucose in the blood is …………………
A) Digestive system
B) Circulation system
C) Respiratory system
D) Excretory’systetti
Answer:
A) Digestive system

Question 12.
The region in brain portion that controls hunger signals
A) medulla
B) diencephalon
C) cerebrum
D) mid brain
Answer:
B) diencephalon

Question 13.
The nerve that carries hunger signals to brain ……………..
A) Coronary nerve
B) Vagus nerve
C) 13^th cranial nerve
D) Medulla oblongata
Answer:
B) Vagus nerve

Question 14.
Sireesha is suffering with serious headache. It is known that she didn’t eat from the morning. Give the correct reason for headache.
A) The level of Glucose in blood decreased.
B) The level of Glucose in blood increased.
C) Got hurt in the head.
D) She is acting.
Answer:
C) Got hurt in the head.

Concept – 2 : Taste and Smell are Closely Related

Question 15.
Who discovered the relation of lunch bell and water mouthing ?
A) Head Master
B) Ivan Pavlov
C) Flemming
D) Engleman
Answer:
B) Ivan Pavlov

Question 16.
Consider the following.
a) Taste and smell are related with each other
b) The sense organs which detect taste and smell work with each other
A) Both a & b are true
B) a is true, b is false
C) b is true, a is false
D) Both a ‘& b are false
Answer:
A) Both a & b are true

Question 17.
The receptors which send the signals of smell to brain ………………
A) Chemo receptors
B) Olfactory receptors
C) Auditory receptors
D) Optic receptors
Answer:
B) Olfactory receptors

Question 18.
Who conducted experiments on conditional reflexes ?
A) Thorndaike
B) Charles Laveran
C) Ivan Holy Fied
D) Ivan Pavlov
Answer:
D) Ivan Pavlov

Question 19.
The papillae which are at the end of tongue are ……………………
A) Villate papillae
B) Folliate papillae
C) Fungi form papillae
D) Taste receptors
Answer:
C) Fungi form papillae

Question 20.
The recognition of taste is done by the ……………… cells present in the taste buds
on the tongue.
A) Secretive cells
B) Receptor cells
C) Taste buds
D) Olfactory receptors
Answer:
B) Receptor cells

Question 21.
Tongue is a taste receptor. Which nerve helps to identify the taste?
A) 6th cranial nerve
B) 5th cranial nerve
C) 10th cranial nerve
D) optic nerve
Answer:
B) 5th cranial nerve

Concept – 3 : Taste connects the tongue and the Palate

Question 22.
In which of the following situations you can taste quickly ?
A) Put sugar crystals on tongue
B) Put sugar solution on tongue
C) Press the tongue slowly against the palate
D) Swallow directly without grinding and shredding
Answer:
C) Press the tongue slowly against the palate

Question 23.
Find out the wrong in the flow chart.
AP 10th Class Biology Bits Chapter 7 Coordination in Life Processes 1
A) 1
B) 2
C) 3
D) 4
Answer:
C) 3

Question 24.
The following diagram shows papillae on tongue. The correct labelling of parts i, ii and iii is :
AP 10th Class Biology Bits Chapter 7 Coordination in Life Processes 2
A) i – villate papillae, ii – foliate papillae, iii- fungi form papillae
B) i – foliate papillae, ii – villate papillae, iii – fungi form papillae
C) i – villate papillae, ii – fungi papillae, iii – foliate papillae
D) i – fungi papillae, ii – villate papillae, iii – foliate form papillae
Answer:
A) i – villate papillae, ii – foliate papillae, iii- fungi form papillae

Question 25.
Any food substance when placed on the P gets dissolved in the Q secreted by R in the mouth.
Find out the parts P, Q & R
A) P – salivary glands, Q – saliva, R – mouth
B) P – mouth, Q – salivary glands, R – saliva
C) P – mouth, Q – salivary glands, R – saliva
D) P – saliva, Q – salivary glands, R – mouth
Answer:
D) P – saliva, Q – salivary glands, R – mouth

Concept – 4 : Mouth -The Munching Machine

Question 26.
The long teeth present in carnivores are …………………
A) Incisors
B) Canines
C) Molars
D) Premolars
Answer:
B) Canines

Question 27.
Human dental formula is ………………….
A) 2/2, 1/1, 2/2, 1/2
B) 2/2, 1/1, 1/1, 2/2
C) 2/2, 2/2, 1/1, 1/1
D) 2/2, 1/1, 2/2, 3/3
Answer:
D) 2/2, 1/1, 2/2, 3/3

Question 28.
The teeth which are used for tearing the food are
A) Incisors
B) Molars
C) Canines
D) Premolars
Answer:
C) Canines

Question 29.
The teeth which are useful for grinding the food are
A) Incisors
B) Molars
C) Canines
D) Premolars
Answer:
B) Molars

Question 30.
Janani wrote the dental formula like this 2/2, 1/1, V2,2/2. Which teeth lacked in this ?
A) Premolars
B) Incisors
C) Canine
D) Molars
Answer:
D) Molars

Question 31.
The nerve which controls the inner muscles of jaw …………………..
A) 10^th Cranial nerve
B) 9^th Cranial nerve
C) 5^th Cranial nerve
D) 1^st Cranial nerve
Answer:
C) 5^th Cranial nerve

Question 32.
Observe the following a, b statements.
a) Teeth help in chewing, and grinding the food.
b) Tongue mixes the food with saliva and spreads out the food evenly in the oral cavity.
A) a, b both are true
B) a is true, b is false
C) a is false, b is true
D) a, b both are false
Answer:
A) a, b both are true

Question 33.
The type of teeth used to tear a sugarcane
A) Incisors
B) Canines
C) Premolars
D) Molars
Answer:
B) Canines

Question 34.
You were given two pieces of chalk. To prove the activity on breaking of food material one of the following is used.
A) Sulphuric acid
B) Acetaldehyde
C) Formic acid
D) Vinegar
Answer:
D) Vinegar

Question 35.
Which nerve controls the movement of jaw ?
A) 6^th cranial nerve
B) 5^th cranial nerve
C) 7^th cranial nerve
D) 8^th cranial nerve
Answer:
B) 5^th cranial nerve

Question 36.
The muscle that helps the mouth enable the food to be pushed into oral cavity are
A) Pharyngeal muscles
B) Longitudinal muscles
C) Circular muscles
D) Sphincter muscles
Answer:
D) Sphincter muscles

Question 37.
The jaw muscles of mouth help in biting and chewing actions, and move the jaw up down, forward and backward during food mastication
A) Surface muscles
B) Longitudinal muscles
C) Circular muscles
D) Short muscles
Answer:
A) Surface muscles

Question 38.
a – Incisors have sharp edge, canines have sharp and pointed edges,
b – Molars and premolars are blunt and flat.
A) Both a and b are false
B) a is true, b is false
C) b is true a is false
D) Both a and b are true
Answer:
D) Both a and b are true

Concept – 5 : Importance of Saliva

Question 39.
The enzyme present in saliva :
A) Ptyalin
B) Pepsin
C) Trypsin
D) Lipase
Answer:
A) Ptyalin

Question 40.
If the pH value of a solution is below 7 then it is ………………
A) Acidic
B) Alkaline
C) Neutral
D) Salt
Answer:
A) Acidic

Question 41.
The apparatus used for action of saliva on carbohydrates
i) Test tube
ii) Starch powder
iii) Iodine
iv) Watch glass
A) i & ii only
B) ii & iii only
C) iii only
D) All are correct
Answer:
D) All are correct

Question 42.
Litmus test on our tongue gives the following range of colour
A) 1 – 4
B) 2 – 13
C) 10 – 14
D) 7 only
Answer:
D) 7 only

Question 43.
Consider the following.
a. Saliva has an important hormone
b. 1 -1.5 litres of saliva is secreted per day
A) Both a & b are true
B) a is true, b is false
C) a is false, b is true
D) Both a & b are false
Answer:
C) a is false, b is true

Question 44.
pH tests reveal
A) Acidic, basic conditions
B) Only acidic conditions
C) Only basic conditions
D) Acidic, basic, neutral conditions
Answer:
D) Acidic, basic, neutral conditions

Question 45.
The animals which are active during day time, take rest at night time are called
A) Nocturnals
B) Amphibians
C) Protozoans
D) Diurnals
Answer:
D) Diurnals

Question 46.
The animals which are active during night time and collect food are called
A) Nocturnals
B) Amphibians
C) Sponges
D) Diurnals
Answer:
A) Nocturnals

Question 47.
If saliva is lacking the salivary amylase, which of the following process in the buccal cavity will be affected ?
A) Breakdown of proteins into amino acids
B) Breakdown of starch into sugars
C) Breakdown of fats into fatty acids and glycerol
D) Breakdown of cells in intestinal layer
Answer:
B) Breakdown of starch into sugars

Question 48.
The saliva secretion in human is under the control of:
A) Central nervous system
B) Peripheral nervous system
C) Autonomous nervous system
D) All the above
Answer:
C) Autonomous nervous system

Question 49.
The number of salivary glands present in the mouth.
A) 5 pairs
B) 3 pairs
C) 4 pairs
D) 2 pairs
Answer:
B) 3 pairs

Question 50.
Saliva secreted by us per day is …………………
A) 1 – 1.5 liters
B) 2 – 2.25 liters
C) 1 – 1.25 liters
D) 1.75 liters
Answer:
A) 1 – 1.5 liters

Concept – 6 : Travel of food through Oesophagus

Question 51.
The process which occurs to push the food into the alimentary canal in man is ……………………
A) Mastication
B) Chewing
C) Swallowing
D) Mixing
Answer:
C) Swallowing

Question 52.
The slippery secretion which is secreted by the walls of oesophagus
A) Peristalsis
B) Bolus
C) Chyme
D) Mucus
Answer:
D) Mucus

Question 53.
Observe the picture :
AP 10th Class Biology Bits Chapter 7 Coordination in Life Processes 3
What is the function of “Muscle contraction” ?
A) smooth muscle relaxation
B) starts digestion
C) prevents backward movement of bolus
D) smooth pushing of bolus downwards
Answer:
D) smooth pushing of bolus downwards

Question 54.
Which of the following is not correct one regarding oesophagus ?
A) Oesophagus comprises two smooth layers.
B) Inner layer comprises vcircular muscles.
C) Outer layer comprises longitudinal muscles.
D) Oesophagus is easily folded.
Answer:
D) Oesophagus is easily folded.

Question 55.
Peristalsis is …………… action.
A) Voluntary
B) Involuntary
C) Voluntary – involuntary
D) Motivated
Answer:
B) Involuntary

Question 56.
The given picture depicts
AP 10th Class Biology Bits Chapter 7 Coordination in Life Processes 4
A) The peristaltic movement of food
B) The structure of oesophagus
C) Various reactions in stomach
D) Peristaltic movement in stomach
Answer:
A) The peristaltic movement of food

Question 57.
Find the correct statement regarding the experiment done for proving “crushing of chalkpiece due to vinegar in ‘ beaker”.
A) To show crushing of chalkpiece by vinegar
B) Food is digested very fast only after breaking into pieces
C) Vinegar is needed to digest the food
D) Vinegar is added to food without breaking
Answer:
B) Food is digested very fast only after breaking into pieces

Concept – 7 : Stomach – The mixer and grinder

Question 58.
The direction of peristaltic movement is
A) only clockwise
B) only anti-clockwise
C) both clockwise and anti-clockwise
D) single direction only
Answer:
C) both clockwise and anti-clockwise

Question 59.
Due to the clockwise movement of peristalsis, the food bolus
A) moves forward
B) moves backward
C) remains stable
D) oscillates back and front
Answer:
A) moves forward

Question 60.
Sphincter that helps in opening of stomach into duodenum.
A) Cardiac
B) Pyloric
C) Anal
D) Gastric
Answer:
B) Pyloric

Question 61.
When does peristalsis occur in anti-clockwise ?
A) When bolus moves forward
B) When we drink water
C) When vomiting
D) When we are in fasting.
Answer:
C) When vomiting

Question 62.
Mohan took lunch at 1 o’ clock. How much time does it take to digest 100%?
A) 2 – 5 hours
B) 2 – 3 hours
C) 4 – 7 hours
D) 4 – 5 hours
Answer:
D) 4 – 5 hours

Question 63.
The food turns into a smooth porridge like consistency called chyme. This is formed in ………………
A) Oesophagus
B) Stomach
C) Liver
D) Small Intestine
Answer:
B) Stomach

Question 64.
a) While ruminating, food bolus moves from stomach to mouth,
b) In the cow, peristalsis occurs in clock-wise direction.
A) a and b both are true
B) a is true, b is false
C) a is false, b is true
Answer:
B) a is true, b is false

Question 65.
Suma said that peristalsis involves the contraction of the muscle behind the food. Uma said that during peristalsis relaxation of the muscle in front of the food gives rise to a thrust that pushes the food.
A) Suma is correct
B) Uma is correct
C) Both are wrong
D) Both are right
Answer:
D) Both are right

Question 66.
In which of the following peristaltic movements occur ?
1) Large intestine to rectum
2) Stomach to liver
3) Stomach to small intestine
4) Large intestine to small intestine.
A) 1, 2
B) 2, 3
C) 1, 3
D) 1, 4
Answer:
C) 1, 3

Question 67.
What can you prove by the experiment in leaves with jelly ?
A) Smell receptors in nose
B) Mucus on the inner wall of stomach
C) Acidity of food
D) Observing taste buds
Answer:
B) Mucus on the inner wall of stomach

Question 68.
Bolus : Oral Cavity :: Chyme : …………………
A) Oesophagus
B) Stomach
C) Small intestine
D) Large intestine
Answer:
B) Stomach

Question 69.
Peristalsis is
A) contraction of longitudinal muscles
B) contraction of circular muscles
C) under control of autonomous nervous system
D) relaxation of circular muscles
Answer:
C) under control of autonomous nervous system

Question 70.
The acid that comes out from the stomach is called
A) Belching
B) Vomit
C) Gas
D) Burning Sensation
Answer:
A) Belching

Question 71.
In the stomach, the food is digested to smooth mixture called chyme. But it is not affected by the acid. The reason is
A) Alkaline state of chyme
B) Chyme is a hard material
C) The mucus present in the walls of stomach
D) The enzymes in digestive juices
Answer:
C) The mucus present in the walls of stomach

Question 72.
This is secreted in the stomach.
A) H₂SO₄
B) HNO₃
C) HCl
D) NaOH
Answer:
C) HCl

Question 73.
If the chyme is pushed backwards in small quantity, then it reaches to ………………
A) Oesophagus
B) Small intestive
C) Duodenum
D) Digestion
Answer:
C) Duodenum

Question 74.
Reverse peristalsis is seen in
A) Tiger
B) Squirrel
C) Cow
D) Cat
Answer:
C) Cow

Question 75.
Example for the reflexes in stomach is …………………..
A) Peristaltic movement
B) Assimilation
C) Vomiting
D) Digestion
Answer:
C) Vomiting

Question 76.
Small amounts of chyme is pushed into the duodenum, simultaneously forcing most of it back into the stomach is called retropulsion.
Find the correct illustration for above information.
AP 10th Class Biology Bits Chapter 7 Coordination in Life Processes 5
Answer:

Question 77.
Churning of food is done by
A) Canine
B) incisor
C) A & B
D) Molars
Answer:
D) Molars

Question 78.
AP 10th Class Biology Bits Chapter 7 Coordination in Life Processes 7
The destiny of food in the given picture
A) From stomach to oesophagus
B) From oesophagus
C) From small intestine to large intestine
D) From stomach to duodenum
Answer:
D) From stomach to duodenum

Question 79.
In human digestive system, the enzymes pepsin and trypsin are respectively secreted by:
A) Pancreas and liver
B) Stomach and salivary glands
C) Pancrease and gall bladder
D) Stomach and pancreas
Answer:
D) Stomach and pancreas

Question 80.
Name the arrow part of the diagram.
AP 10th Class Biology Bits Chapter 7 Coordination in Life Processes 8
A) Oesophagus
B) Duodenum
C) Stomach
D) Appendix
Answer:
B) Duodenum

Question 81.
Manju suffered from vomitings soon after having breakfast. Why ?
A) Unknown disease
B) Food is unpalatable
C) Food poisoning
D) Pain in throat
Answer:
C) Food poisoning

Question 82.
Ravi has the habit of hurrying over meals. What may happen to him ?
A) He may get indigestion problem
B) He may get stomach and duodenal ulcers
C) Both A and B
D) He may have good digestion
Answer:
C) Both A and B

Question 83.
Which one of the following is the correct order of peristalsis in human digestive system ?
A) Grinding → Propulsion → Retropulsion
B) Retropulsion → Grinding → Propulsion
C) Propulsion → Retropulsion → Grinding
D) Propulsion → Grinding → Retropulsion
Answer:
D) Propulsion → Grinding → Retropulsion

Question 84.
Which of the following correctly represents the three parts of stomach ?
AP 10th Class Biology Bits Chapter 7 Coordination in Life Processes 8
Answer:

Question 85.
Protein digestion starts in :
A) Rectum
B) Stomach
C) Gut
D) Colon
Answer:
B) Stomach

Concept – 8 : Travel of Food from the Stomach to the Intestine

Question 86.
The tank like structure which stores stool in large intestine is ………………
A) the right side of colon
B) the left side of tolon
C) rectum
D) anus
Answer:
B) the left side of tolon

Question 87.
The number of sphincter muscles present in anus ………………..
A) 1
B) 3
C) 2
D) 6
Answer:
C) 2

Question 88.
The bad smelled faecal mass waste which is stored in rectum is ……………….
A) Urine
B) Stool
C) Ammonia
D) Urea
Answer:
B) Stool

Question 89.
The inner sphincter in anus works under ………………. control.
A) voluntary
B) involuntary
C) motivated
D) voluntary – involuntary.
Answer:
D) voluntary – involuntary.

Question 90.
If there are no villi in the small intestine, what may happen ?
A) Absorption surface of the intestine decreases
B) Food never gets digested properly
C) Both A and B
D) None of the above
Answer:
B) Food never gets digested properly

Question 91.
Human being is an internal combustion machine because of
A) assimilation of energy from food
B) liberate CO₂ during respiration
C) expel waste food at the end state digestion
D) secrete powerful digestive juices
Answer:
B) liberate CO₂ during respiration

Question 92.
……………….. joins the oesophagus with small intestine.
A) Pharynx
B) Stomach
C) Small intestine
D) Liver
Answer:
B) Stomach

Question 93.
Which of the following is not secreted in digestive system?
A) Secretin
B) Adrenalin
C) Cholecystokinin
D) Leptin
Answer:
B) Adrenalin

Question 94.
The muscle present at the opening of the stomach and first part of the small intestine is ………………
A) Smooth muscle
B) Circular muscle
C) Longitudinal muscle
D) Pyloric sphincter
Answer:
B) Circular muscle

Question 95.
Glucose and amino acids are absorbed through the following part of villus
A) Epithelial cells
B) Blood capillary
C) Lymphatic vessel
D) All
Answer:
D) All

Question 96.
Enteric nervous system is called second brain. But it doesn’t perform …………………..
A) A role in determination of disease
B) Intelligence
C) Hunger signals
D) Mental status
Answer:
B) Intelligence

Question 97.
Succus entericus is the name given to :
A) Junction between ileum and large intestine
B) Intestinal juice
C) Swelling in the gut
D) Gastric juice
Answer:
B) Intestinal juice

Question 98.
Which of the following system co-ordinates with digestive system ?
i) Circulatory system
ii) Nervous system
iii) Skeletal system
iv) Reproductive system
A) i and iii
B) i and ii
C) ii and iii
D) i and iv
Answer:
B) i and ii

Question 99.
Microvilli are present in ‘P’ and they work as Q. The ‘P’ and ‘Q’ are
A) P = intestine, Q = Absorber of nutrients into organs
B) P = Absorber of nutrients, Q = Intestine
C) P = Small intestine, Q = Absorber of nutrients into blood
D) All of these
Answer:
C) P = Small intestine, Q = Absorber of nutrients into blood

Question 100.
Consider the following.
a) Second brain has 100 million neurons
b) Second brain has neurons twice to that of neurons in spinal cord.
A) Both a & b are true
B) a is true, b is false
C) a is false, b is true
D) Both a & b are false
Answer:
A) Both a & b are true

Question 101.
A. In all the body systems, the brain is so important.
R. Brain co-ordinates all the systems.
A) A and R both are correct. R is the correct explanation to A .
B) A is correct R is wrong.
C) A is wrong R is correct.
D) A and R both are wrong.
Answer:
A) A and R both are correct. R is the correct explanation to A .

Question 102.
a) We breathe air through inspiration and expiration. It is an involuntary action.
b) Medulla oblongata controls inhalation and exhalation.
A) a, b both are true
B) a is true, b is false
C) a is false, b is true
D) a, b both are false
Answer:
A) a, b both are true

Question 103.
Find out the correct pair in the given table.

Location of sphincters	Place of food to which enters
1. Oesophagus	Stomach
2. Pyloric stomach	Large intestine
3. Anus	Defecation

A) 1 only
C) 1, 3
B) 2 only
D) 2, 3
Answer:
C) 1, 3

Question 104.
A person took spoiled food. This would happen in him.
A) Vomiting sensation
B) Belching
C) Burning in chest and throat
D) All the above
Answer:
A) Vomiting sensation

Question 105.
Identify the function of part ‘A’ in the below given diagram.
AP 10th Class Biology Bits Chapter 7 Coordination in Life Processes 11
A) Reabsorption of water from the faeces
B) Completes the digestion of food materials
C) Generating contractions
D) Storage of waste hard mass
Answer:
A) Reabsorption of water from the faeces

Question 106.
Name this structure of the human body.
AP 10th Class Biology Bits Chapter 7 Coordination in Life Processes 12
A) Nerve ending
B) Villi
C) Tongue
D) Nephron
Answer:
B) Villi

Question 107.
This is nicknamed as ‘second brain’
A) Nerves associated with lungs
B) Nerves associated with digestive tract
C) Nerves associated with kidney
D) Nerves associated with heart
Answer:
B) Nerves associated with digestive tract

AP 10th Class Biology Bits Chapter 6 Reproduction with Answers

August 9, 2021

Practice the AP 10th Class Biology Bits with Answers Chapter 6 Reproduction on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 10th Class Biology Bits 6th Lesson Reproduction with Answers

Concept – 1 : Introduction – Asexual Mode of Reproduction

Question 1.
Fission , budding and fragmentation are the types of …………………….
A) Binary fission
B) Sexual reproduction
C) Multiple fission
D) Asexual reproduction
Answer:
D) Asexual reproduction

Question 2.

List A	List B
1. Fragmentation	a) Fungi
2. Budding	b) Paramoecium
3. Binary fission	c) Flatworm

Identify the mis – matched pairs
A) 1, 2
B) 2, 3
C) 1, 3
D) 1, 2, 3
Answer:
B) 2, 3

Question 3.
In ants king ant along with queen ant and labour ants exist in numerous numbers
1) These are formed by division of ovule
2) Parthenogenesis is the reason
Choose the correct statement.
A) 1 only
B) 2 only
C) Both are correct
D) Both are wrong
Answer:
B) 2 only

Question 4.
Cut end tail in lizard regenerates.But it doesn’t happen in monkey. Why ?
A) Tail of lizard is important
B) Monkey can survive even without tail
C) Regeneration capacity is less in monkey
D) Regeneration capacity is less in lizard.
Answer:
C) Regeneration capacity is less in monkey

Question 5.
One of the following sentences is not correct about fission
A) This occurs in unicellular organism
B) Rarely occurs in man
C) Fragmentation shows identical characters
D) Binary and multiple fission are the types of fissions.
Answer:
B) Rarely occurs in man

Question 6.
Fragmentation is a common method of reproduction in :
A) Algae & Fungi
B) Yeast
C) Paramoecium
D) Amoeba
Answer:
A) Algae & Fungi

Question 7.
Choose the correct statement regarding budding.
A) Organism divides from parental organism by fission
B) Body divides into pieces
C) Occurs with fusion of gametophytes
D) Some projections grow from the body which are identical
Answer:
D) Some projections grow from the body which are identical

Question 8.
Find out the organisms that perform budding.
i) Amoeba
ii) Hydra
iii) Yeast
iv) Bacteria
A) i only
B) iii only
C) ii, iii
D) All
Answer:
C) ii, iii

Question 9.
Find out the organisms which undergo fragmentation
i) Lichens
ii) Spirogyra
iii) Flatworms
iv) Moulds
A) ii only
B) iii only
C) i,ii,iii
D) All
Answer:
B) iii only

Question 10
Reproduction is a necessary life process in plants and animals because it helps in:
A) Growth of an organism
B) Continuation of life
C) Energy production
D) Providing nutrients
Answer:
B) Continuation of life

Question 11.
Name the adjacent plant.
AP 10th Class Biology Bits Chapter 6 Reproduction 1
A) Aspergillus
B) Rhizopus
C) Bryophyllum
D) Agaricus
Answer:
B) Rhizopus

Question 12.
Which of the following organisms do not reproduce by spores?
A) Rhizopus
B) Mucor
C) Yeast
D) Bacteria
Answer:
C) Yeast

Question 13.
Spirogyra undergoes one of these types of sexual reproduction.
A) Fission
B) Fragmentation
C) Budding
D) A or C
Answer:
B) Fragmentation

Question 14.
…………………………. leads to development of zygote without fertilisation.
A) Parthenogenesis
B) Regeneration
C) Cutting
D) Layering
Answer:
A) Parthenogenesis

Question 15.
One of the following is not concerned with parthenogenesis.
A) Parthenogenesis occurs even in sexually reproducing organisms.
B) Daughter organism dies,
C) It occurs in the organisms belonging to Rotiferous.
D) Sexual and asexual reproduction occur at the same time.
Answer:
B) Daughter organism dies.

Question 16.
External fertilisation occurs in
A) frog – snake
B) fish – snake
C) frog – fish
D) fish – rat
Answer:
C) frog – fish

Question 17.
Which of the following statements is not true about budding in yeast ?
A) A bud may arise from any part of the parent cell
B) Before detaching from the parent body, a bud may form another bud.
C) A bud may separate from the parent body and develops into a new individual.
D) A bud arises from a particular region on a parent body.
Answer:
B) Before detaching from the parent body, a bud may form another bud.

Question 18.
In which of the following both sexual and asexual reproduction can be seen ?
A) Crocodile
B) Cheetah
C) Honey bees
D) Fluman beings
Answer:
C) Honey bees

Question 19.
Amoeba undergoes cystation and divides into many organisms in unfavourable conditions. This is called
A) Binary fission
B) Longitudinal binary fission
C) Budding
D) Multiple fission
Answer:
D) Multiple fission

Question 20.

List – I	List – II
1. Budding	a) Yeast
2. Fission	b) Lizard
3. Binary fission	c) Bacteria

Find out the correct pairs.
A) 1, 2
B) 2, 3
C) 1, 3
D) 1, 2, 3
Answer:
C) 1, 3

Question 21.
Sneha went to market to buy the seedless fruits. Her daughter astonished how seedless fruits generate. How are seedless fruits produced ?
A) Remove the seeds from fruits
B) Parthenogenesis
C) Androgenesis
D) No such fruits
Answer:
B) Parthenogenesis

Question 22.
The organism which reproduces through conjugation is ……………………………..
A) Amoeba
B) Euglena
C) Paramoecium
D) Bacteria
Answer:
C) Paramoecium

Question 23.
The process that is performed by paramoecium to attain the lost energy
A) Conjugation
B) Vegetative propagation
C) Production of spores
D) Internal fertilization
Answer:
A) Conjugation

Question 24.
The process in which the organisms produce their generation :
A) Reproduction
B) Respiration
C) Endocrine system
D) Growth
Answer:
A) Reproduction

Question 25.
In which of the following organisms binary fission does not occur ?
A) Amoeba
B) Leech
C) Paramoecium
D) Euglena
Answer:
B) Leech

Question 26.
Which of the following material changes in paramoecium during conjugation ?
A) Protoplasm
B) Nucleic material
C) Sap of vacuoles
D) Chromatin material
Answer:
B) Nucleic material

Question 27.
What does this diagram represent ?
AP 10th Class Biology Bits Chapter 6 Reproduction 2
A) Budding in Hydra
B) Multiple fission in Bacterial
C) Regeneration in Planaria
D) Fragmentation in Spirogyra
Answer:
C) Regeneration in Planaria

Question 28.
Example for Hermaphrodites:
A) Prawn
B) Cockroach
C) Snail
D) Earthworm
Answer:
D) Earthworm

Question 29.
This organism reproduces by budding,
A) Paramoecium
B) Euglena
C) Yeast
D) Amoeba
Answer:
C) Yeast

Concept – 2: Vegetative Propagation

Question 30.
The part called ………………… (i) ……………….. growing in the soil is grafted with …………………………. (ii) ………………….. of the plant.
A) i – stock, ii – branch
B) i – scion, ii – bud
C) i – stock, ii – scion
D) i – branch, ii – bud
Answer:
C) i – stock, ii – scion

Question 31.
The best method for extracting desirable characters in the plants
i) Grafting
ii) Layering
iii) Laboratory method
iv) Genetic engineering
A) i – only
B) ii – only
C) iii – only
D) iv – only
Answer:
A) i – only

Question 32.
Find out vegetative propagation depicted in the picture.
AP 10th Class Biology Bits Chapter 6 Reproduction 3
A) Cutting
B) Grafting
C) Ground layering
D) Root buds
Answer:
A) Cutting

Question 33.
In grafting the plant part which supplies% nutrients from soil is called
A) Scion
B) Graft
C) Stock
D) Branch
Answer:
C) Stock

Question 34.
Modern technology of artificial propagation of plants ……………………
A) Tissue culture
B) Fragmentation
C) Layering
D) Grafting
Answer:
A) Tissue culture

Question 35.
“Nerium” is propagated by …………………….
A) Stolon
B) Layering
C) Corn
D) Bulbs
Answer:
B) Layering

Question 36.
1. Stolon
2. Bulbs
3. Corns
Pick out the right option for above methods of vegetative propagation.
a) Vallisnaria
b) Onion
c) Potato
d) Colacasia
A) 1 – a, 2 – b, 3 – c
B) 1 – b, 2 – a, 3 – d
C) 2 – b, 3 – c, 1- a
D) 1 – a, 2- b, 3 – d
Answer:
D) 1 – a, 2- b, 3 – d

Question 37.
Stock and scion are attached. Which type of characters will come in the offspring?
A) Characters of stock
B) Characters of scion
C) Special desired characters
D) Can’t say
Answer:
C) Special desired characters

Question 38.
The most useful reproductive process in the development of ornamental and horticulture field.
A) Binary fission
B) Budding
C) Vegetative propagation
D) Multiple fission
Answer:
C) Vegetative propagation

Question 39.
The plant that propagates through root cuttings
A) Rose
B) Carrot
C) Mango
D) Hibiscus
Answer:
B) Carrot

Question 40.
Which of the following reproduces through leaves ?
A) Bryophyllum
B)) Rose
C) Watermelon
D) Marigold
Answer:
A) Bryophyllum

Question 41.
The vegetative propagation in weak aerial stem plant is by
i) Runner
ii) Stolon
iii) Tuber
iv) Corn
A) i only
B) iv only
C) i, iii only
D) i, ii only
Answer:
D) i, ii only

Question 42.
The plants species generally propagated by layering.
A) Nerium
B) Jasmine
C) Bryophyllum
D) A & B
Answer:
D) A & B

Question 43.
The scientist who discovered tissue culture is
A) M.S. Swaminathan
B) O. Maheswari
C) Haberlandt
D) Ion Wilmont
Answer:
C) Haberlandt

Question 44.
Thousands of plants can be grown in very short interval of time in …………………….. method.
A) Cloning
B) Tissue culture
C) Hybridization
D) Crossing
Answer:
B) Tissue culture

Question 45.
The type of vegetative reproduction in strawberry is ……………
A) bulbs
B) stolons
C) tubers
D) corms
Answer:
B) stolons

Concept – 3 : Spore Formation

Question 46.
Which of the following is correct regarding the functions of Lactobacillus?
1. Making of curd
2. To luke – warm milk
3. To make sweet
4. To make hot milk cool
A) 1,2
B) 1, 2, 3
C) 2, 3,4
D) 1 only
Answer:
A) 1,2

Question 47.
Tilak left a piece of bread on the table. Next day it became black. The reason
i) Fungal growth appears
ii) Rhizopus appears on the bread
iii) Bacterial growth appears
iv) Virus affects the bread
A) i, ii, iii correct
B) ii, iii correct
C) iii, iv correct
D) i, ii correct
Answer:
D) i, ii correct

Question 48.
Which of the following reproduce througe spores?
i) Mucor
ii) Bacteria
iii) Rhizopus
iv) Fern
A) i only
B) ii, iii, iv only
C) ii, iii only
D) All
Answer:
D) All

Question 49.
Which of the following is not Concerned with stored bread mould.?
A) Blackish material forms on the bread
B) Formed fungi is Rhizopus
C) The fungi Rhizopus keeps the bread fresh
D) Spores are formed in Rhizopus
Answer:
C) The fungi Rhizopus keeps the bread fresh

Question 50.
The functions of Lactobacillus
i) curdling of milk
ii) boiling milk
iii) kova preparation
iv) cooling of milk
A) i, ii
B) i, ii, iii
C) ii, iii, iv
D) i only
Answer:
D) i only

Question 51.
To obtain fungal structures we use one of the food material
A) Dry seeds
B) Roti
C) Smoked fish
D) A or B
Answer:
B) Roti

Question 52.
Find out the given picture.
AP 10th Class Biology Bits Chapter 6 Reproduction 4
A) Spores in neem leaf
B) Sori infern
C) Fungi
D) Spores in mango
Answer:
B) Sori infern

Question 53.
The acid present in milk is
A) Citric acid
B) Asteric acid
C) Lactic acid
D) Ascorbic acid
Answer:
C) Lactic acid

Concept – 4 : Male Reproduction System

Question 54.
Which part of the male reproductive system produces (human) the sperm cells ?
A) Seminiferous tubule
B) Epididymis
C) Bladder
D) Scrotum
Answer:
A) Seminiferous tubule

Question 55.
Name the part ‘X’ in the given diagram.
AP 10th Class Biology Bits Chapter 6 Reproduction 5
A) Acrosome
B) Head
C) Nucleus
D) Tail
Answer:
A) Acrosome

Question 56.
The ……………………. supplies nutrients to sperm.
a) Prostate gland
b) Cowper gland
c) Testosterone
d) Adrenal gland
A) a, c
B) c, b
C) b, d
D) a, b
Answer:
D) a, b

Question 57.
The fertilisation which occurs outside the body is
A) External fertilisation
B) Internal fertilisation
C) Tissue culture
D) Oviparous
Answer:
A) External fertilisation

Question 58.
Find out the incorrect sentence regarding fertilisation in fish
A) External fertilisation
B) Female produces numerous ova
C) Male produces only one sperm
D) Fertilisation is influenced by nature
Answer:
C) Male produces only one sperm

Question 59.
Consider the statements a & b.
a – Vasa efferentia forms epididymis
b – Sperms are produced in millions
A) Both a & b are true
B) a is true, b is false
C) b is true, a is false
D) Both a & b are false
Answer:
A) Both a & b are true

Question 60.
Semen is a gelatinous substance. It is secreted by ………………
A) Salivary and cowper’s glands
B) Cowper’s and gastric glands
C) Seminal vesicles
D) Cowper’s glands
Answer:
C) Seminal vesicles

Question 61.
In which of the following reproduction processes fusion of gametophytes occur?
A) Vegetative propagation
B) Sexual reproduction
C) Asexual reproduction
D) Multiple fission
Answer:
B) Sexual reproduction

Question 62.
The sperms enter into ……………….. from seminal vesicles.
A) Epididymis
B) Seminal duct
C) Prostate gland
D) Urethra
Answer:
A) Epididymis

Question 63.
The development of male reproductive organs is regulated by
A) Testosterone
B) Vasopressin
C) Progesterone
D) Oestrogen
Answer:
A) Testosterone

Question 64.
Sperm cells of human male reproductive system are produced from ………………..
A) seminiferous tubules
B) epididymis
C) scrotum
D) prostate gland
Answer:
A) seminiferous tubules

Question 65.
AP 10th Class Biology Bits Chapter 6 Reproduction 6
Consider the given picture.
What will be consequence if vasa deferentia is detached ?
A) Sperms are not produced
B) Sperms do not reach seminal vesicle
C) Person will die
D) Cowper’s gland becomes inactive
Answer:
B) Sperms do not reach seminal vesicle

Question 66.
Which of the following is concerned with male reproductive system ?
A) Fallopian tubes
B) Testes
C) Placenta
D) Umbilical cord
Answer:
B) Testes

Question 67.
The main function of acrosome in sperm is
A) Respiration
B) Movement
C) Excretion
D) Helps in entry into egg cell
Answer:
D) Helps in entry into egg cell

Question 68.
The sending out of semen from male’s body is called
A) reproduction
B) ejaculation
C) ovulation
D) fertilisation
Answer:
B) ejaculation

Question 69.
The reason for growth of beard and moustache in males is
A) Secondary sexual characters
B) Sexual hormones
C) Growth of muscles
D) Inheritance
Answer:
B) Sexual hormones

Question 70.
Which of the following gland belongs to male reproductive system ?
A) Salivary gland
B) Sebacious gland
C) Gastro enteron
D) Cowper’s gland
Answer:
D) Cowper’s gland

Question 71.
Which of the following is not concerned with male reproductive system?
A) Testes
B) Seminal ducts
C) Prostate gland
D) Graffian follicles
Answer:
D) Graffian follicles

Question 72.
The term that we use to describe a sperm cell fusing with an egg cell
A) Fragmentation
B) Fermentation
C) Fertilisation
D) Fusion
Answer:
C) Fertilisation

Question 73.
Which part of human male reproductive system stores sperms temporarily?
A) Epididymis
B) Seminiferous tubules
C) Vasa efferentia
D) Penis
Answer:
A) Epididymis

Question 74.
Identify the function of semen.
A) Keep the sperms alive by providing nutrients
B) Provides medium for the movement of sperms
C) Helps in the production of sperms
D) Both A & B
Answer:
D) Both A & B

Concept – 5 : Female Reproduction System

Question 75.
How does sperm enter ovum ?
A) By making hole on ovum
B) Dissolves the membrane of ovum
C) Crushing the membrane with teeth
D) Enter through the gaps of ovum
Answer:
B) Dissolves the membrane of ovum

Question 76.
After fertilisation implantation of zygote takes place in the uterine walls of females after
A) some months
B) three weeks
C) month
D) 7 – 10 days
Answer:
D) 7 – 10 days

Question 77.
The hormone responsible for secondary sexual characters in female is …………………
A) Adrenaline
B) Testosterone
C) Vasopressin
D) Estrogen
Answer:
D) Estrogen

Question 78.
Which of the following follicle ruptures to release ova ?
A) Graffian follicle
B) Leiberhan follicle
C) Islets of langerhans
D) Scrotum
Answer:
A) Graffian follicle

Question 79.
Incorrect statement about post fertilization changes in the uterus
A) Uterus remains small in size with thin layer of cells
B) Walls of uterus become thick and smooth
C) Blood circulation increases in the uterus
D) Embryonic layers develop in the uterus
Answer:
A) Uterus remains small in size with thin layer of cells

Question 80.
The outermost layer that encloses embryo
A) Chorion
B) Amnion
C) Allantois
D) Umbilical cord
Answer:
A) Chorion

Question 81.
The chorion and tissue of uterus combine and form
A) Chorion
B) Allantois
C) Amnion
D) Placenta
Answer:
D) Placenta

Question 82.
The layer formed at around 12^th week of pregnancy
A) Umbilical cord
B) Allantois
C) Placenta
D) Amnion
Answer:
C) Placenta

Question 83.
The tube which, connects the embryo with placenta is
A) Fallopian tube
B) Seminal vesicle
C) Epididymis
D) Umbilical cord
Answer:
D) Umbilical cord

Question 84.
The 3 months of embryo is called ………………
A) New born child
B) Foetus
C) Baby
D) Nucleoid
Answer:
B) Foetus

Question 85.
Which of the following is the correct sequence of steps in the human life cycle ?
A) Babyhood, childhood, adolescence, adulthood
B) Childhood, babyhood, adulthood, adolescence
C) Adolescence, babyhood, adulthood, childhood
D) None of these
Answer:
B) Childhood, babyhood, adulthood, adolescence

Question 86.
Which of these things will affect the way a foetus grows ?
A) Chemicals in cigarette smoke
B) Alcohol
C) Drugs
D) All of the above
Answer:
D) All of the above

Question 87.
The gestation period in man is …………………..
A) 330 days
B) 20 days
C) 280 months
D) 280 days
Answer:
D) 280 days

Question 88.
The tube which have widened funnel
A) Seminal duct
B) Fallopian tube
C) Umbilical cord
D) Chorion
Answer:
B) Fallopian tube

Question 89.
The number of ova released once in females periodically is
A) 3
B) 2
C) 4
D) 1
Answer:
D) 1

Question 90.
The structure which joins the embryo to the walls of uterus is ………………
A) Chorion
B) Umbilical cord
C) Fallopian tubule
D) Epididymis
Answer:
B) Umbilical cord

Question 91.
The correct statement about the membrane grows itself around the embryo
i) It is filled with a fluid
ii) It nourishes humidity to the developed embryo
iii) It protects the embryo from mechanical shocks.
iv) It is called chorion
A) i only
B) ii & iii
C) i, ii, iii
D) All of the above
Answer:
D) All of the above

Question 92.
Immediately after the delivery, the mammary glands of the mother secrete ………………………
A) Milk
B) Colostrum
C) Blood
D) water
Answer:
B) Colostrum

Question 93.
When the foetus is in its mother’s womb, the blood cells are generated from ……………………..
A) bone marrow
B) liver and spleen
C) kidneys
D) brain and spinal cord
Answer:
B) liver and spleen

Question 94.
Why are egg cells larger than sperm cells?
A) Have larger nucleus
B) Have thicker cell membrane
C) Egg cells have more nuclei in them
D) They store food to help foetal growth after fertilisation
Answer:
D) They store food to help foetal growth after fertilisation

Question 95.
Doctors separate the baby from mother by detaching
A) intestine of mother
B) chorion
C) umbilical cord
D) allantios
Answer:
C) umbilical cord

Question 96.
Arrange the sequence of steps of human life cycle.
1. Adolescence
2. Babyhood
3. Adulthood
4. Childhood
A) 1, 3, 4, 2
B) 4, 2, 3, 1
C) 2, 4, 1, 3
D) 3, 4, 2, 4
Answer:
C) 2, 4, 1, 3

Question 97.
Pathway of ovum in female reproductive system is
A) Ovary → Oviduct →Uterus → Vagina
B) Vagina → Uterus → Oviduct → Ovary
C) Ovary → Ovid’uct → Uterus
D) Uterus → Vagina → Oviduct
Answer:
A) Ovary → Oviduct →Uterus → Vagina

Question 98.
The gestation period of horse is …………………….
A) 300 days
B) 330 days
C) 380 days
D) 365 days
Answer:
B) 330 days

Question 99.
Identify which membrane forms the umbilical cord.
A) Chorion
B) Allantois
C) Amnion
D) Placenta
Answer:
A) Chorion

Question 100.
Gestation period is 63 days for the animals like
A) cat and dog
B) cat and rat
C) cat and rabbit
D) rat and mouse
Answer:
A) cat and dog

Question 101.
Consider the sentences a & b.
a – Gestation period is different in different organisms.
b – The rate of reproduction is more during favourable conditions
A) Both ‘a’ & ‘b’ are true
B) ‘a’ is true, ‘b’ is false
C) ‘a’ is false, ‘b’ is true
D) Both ‘a’ & ‘b’ are false
Answer:
A) Both ‘a’ & ‘b’ are true

Question 102.
Ovary → →Ovum → Ovulation → Fallopian tube → Uterus.
What will be in the box ?
A) Ovary
B) Graffian follicle
C) Cavity of ovule
D) Canal
Answer:
B) Graffian follicle

Question 103.
Which of the following is not concerned with female reproduction system?
A) Ovary
B) Fallopian tube
C) Leiberhan follicles
D) Graffian follicles
Answer:
C) Leiberhan follicles

Question 104.
How are the ova fertilized in mammals?
A) Externally
B) In the organs
C) Internally
D) By division
Answer:
C) Internally

Question 105.
In which structure we can find Graffian follicles?
A) Fallopian tube
B) Corpus leutium
C) Ovule
D) Ovary
Answer:
D) Ovary

Question 106.
The part of the female reproductive system produces the eggs …………………..
A) Ovary
B) Epididymis
C) Cervix
D) Fallopian tube
Answer:
A) Ovary

Question 107.
Find out the incorrect statement regarding child birth.
A) Child will be healthy only after completion of gestation period
B) Delivery will be easy if the head of foetus comes out first
C) Labour pains occur due to injection given by doctor
D) Delivery of baby becomes tough if legs come out of mother’s womb
Answer:
C) Labour pains occur due to injection given by doctor

Question 108.
The symbol for easy delivery process is
A) Not having labour pains
B) Amniotic fluid flows out due to the rupture of Amnion
C) The contractions of the walls of uterus are weak
D) The child turns crossand comes out
Answer:
B) Amniotic fluid flows out due to the rupture of Amnion

Question 109.
The base for the formation of navel in human beings
A) Umbilical cord
B) Placenta
C) Chorion
D) Body structure
Answer:
A) Umbilical cord

Question 110.
The muscular contractions of the uterus result in
A) Not good
B) Disorder of birth
C) Child birth
D) Not happens
Answer:
C) Child birth

Question 111.
The fluid that is secreted at the end of the gestation period
A) Colostrum
113) Lymph
C) Blood
D) Saliva
Answer:
A) Colostrum

Concept – 6 : Sexual Reproduction in Plants

Question 112.
Fine powdery material that is observed on the anther lobes
A) Pollen grains
B) Ova
C) Ovules
D) Stigma
Answer:
A) Pollen grains

Question 113.
Bottle gourd, Papaya have the …………………. flowers.
A) unisexual
B) bisexual
C) cyclic
D) ray
Answer:
A) unisexual

Question 114.
Find the odd one out.
A) Calyx
B) Corolla
C) Pistil
D) Follicle
Answer:
D) Follicle

Question 115.
The condition of pollen mother cell
A) n
B) 2n
C) 3n
D) 4n
Answer:
B) 2n

Question 116.
These figures are related to …………………….
AP 10th Class Biology Bits Chapter 6 Reproduction 7
A) transpiration
B) reproduction
C) excretion
D) photosynthesis
Answer:
B) reproduction

Question 117.
Identify the unisexual flowers.
A) Bottle gourd
B) Papaya
C) Both A & B
D) None
Answer:
C) Both A & B

Question 118.
Read the paragraph given below and answer.
Most of the plants are flowering plants. Their characters are quite remarkable. A sal tree grows in Himalayan mountains, a giant cactus in the Sahara desert.
Flowering plants possess
A) Bisexual flowers
B) Unisexual flowers
C) A or B r
D) Only Heterozygous flowers
Answer:
B) Unisexual flowers

Question 119.
AP 10th Class Biology Bits Chapter 6 Reproduction 8
See the picture of pollen grain. What sort of division helps in its formation?
A) Mitosis
B) Unequal division
C) Meiosis
D) Unnatural division
Answer:
C) Meiosis

Question 120.
The terminal part of the style
A) Ovary
B) Stigma
C) Androecium
D) Anther lobe
Answer:
C) Androecium

Question 121.
The female reproductive part of a flower
A) Thalamus
B) Stamen
C) Gynoecium (Ovary)
D) Pollen grain
Answer:
B) Stamen

Question 122.
The male part of flower is
A) Ovules
B) Stamen
C) Petals
D) Sepals
Answer:
D) Sepals

Question 123.
Which of the following is not concerned with pollination ?
A) The falling of pollen grains on the stigma is pollination.
B) The pollen grains of one flower do not fall on the same flower.
C) The pollen grains of one flower fall on the another flower.
D) Pollination helps in fertilization.
Answer:
B) The pollen grains of one flower do not fall on the same flower.

Question 124.
The student observes the pollen grain under the microscope. It appears as below. ‘X’ indicates …………………..
AP 10th Class Biology Bits Chapter 6 Reproduction 9
A) Matured nucleus
B) Pollen tube
C) Stigma
D) Tube cell
Answer:
B) Pollen tube

Question 125.
The type of flowers you observed in Datura.
A) Unisexual flowers
B) Bisexual flowers
C) Heterosexual flowers
D) Heterozygous flowers
Answer:
C) Heterosexual flowers

Question 126.
The number of cells present in pollen grain
A) One
B) Three
C) Four
D) Two
Answer:
A) One

Concept – 7 : Structure of Ovule & Seed Germination

Question 127.
Embryo sac
A) comprises 7 cells, 6 nuclei
B) comprises 7 cells, 8 nuclei
C) comprises 6 cells, 6 nuclei
D) comprises 8 cells, 8 nuclei
Answer:
B) comprises 7 cells, 8 nuclei

Question 128.
The cells in embryo sac are
i) Antipodals
ii) Synergids
iii) Polar nuclei
iv) Female gametophyte
A) iv only
B) iii, iv only
C) i, ii only
D) All
Answer:
D) All

Question 129.
At the time of fertilisation in embryo sac b the cell which is in diploid state :
A) Polar nuclei
B) Zygote
C) Endosperm
D) Intra ovular tissue
Answer:
A) Polar nuclei

Question 130.
What will you find out at the inner part of separated cotyledons of seed ?
A) Embryo
B) Leaves
C) Flower
D) Radicle
Answer:
A) Embryo

Question 131.
What is the need of sprinkling water on ground nut germinating seeds in order to observe the phenomenon of seed germination ?
A) To keep the seeds wet in condition
B) To enhance dormancy
C) To destroy germination
D) To bring out leaves
Answer:
A) To keep the seeds wet in condition

Question 132.
The number of layers that protect ovule
A) 1
B) 2
C) 3
D) 4
Answer:
B) 2

Question 133.
Pollen tube bears
A) one male, one female nuclei
B) 2 male nuclei
C) 2 female nuclei
D) 2 male, 2 female nuclei
Answer:
B) 2 male nuclei

Question 134.
The given picture depicts ……………………….
AP 10th Class Biology Bits Chapter 6 Reproduction 10
A) Female gametophyte
B) Antipodal cells
C) Secondary nucleus
D) Helper cells
Answer:
A) Female gametophyte

Question 135.
Name the part which is asked as a question mark (?).
Class
A) Granular cell
B) Polar cell
C) Egg cell
D) Hard cell
Answer:
C) Egg cell

Question 136.
Find out the correct sentence.
A) Double fertilization occurs in Angiosperms
B) Double fertilization occurs in Gymnosperms
C) Asexual reproduction occurs in all flowering plants
D) Single fertilization occurs in flowering plants
Answer:
A) Double fertilization occurs in Angiosperms

Question 137.
Which of the following plant does not have the endosperm ?
A) Coconut
B) Groundnut
C) Castor
D) Mango
Answer:
D) Mango

Question 138.
Which of the following seeds have endosperm ?
A) Castor
B) Pea
C) Red gram
D) Green gram
Answer:
A) Castor

Question 139.
After fertilization, ovary forms into …………………
A) seeds
B) bud
C) fruit
D) flower
Answer:
A) seeds

Question 140.
The second sperm fuses with the polar nuclei and
A) Zygote forms
B) Fertilisation starts
C) Endosperm forms
D) Female gametophyte activates
Answer:
C) Endosperm forms

Question 141.
In plants, the fusion of male gamate with secondary nucleus results in …………………
A) Embryo sac
B) Endosperm
C) Cotyledons
D) Spores
Answer:
B) Endosperm

Question 142.
The conditions required for germination of seeds are
A) moist
B) temperature
C) light
D) All of the above
Answer:
D) All of the above

Question 143.
Find out the correct sentence.
a – Endosperm is formed from the fusion of male nucleus with secondary nucleus
b – Endosperm converts into a seed
A) Both ‘a’ & ‘b’ are true
B) ‘a’ is true, ‘b’ is false
C) ‘a’ is false, ‘b’ is true
D) Both ‘a & ‘b’ are false
Answer:
B) ‘a’ is true, ‘b’ is false

Question 144.
Which one of the following seeds does not have endosperm ?
A) Maize
B) Rice
C) Wheat
D) Red gram
Answer:
D) Red gram

Question 145.
The state of endospermic nucleus is
A) n
B) 2n
C) 3n
D) 4n
Answer:
C) 3n

Question 146.
Non-endospermic seed is seen in this plant
A) Maize
B) Paddy
C) Castor
D) Groundnut
Answer:
D) Groundnut

Question 147.
The reason for the enlarged cotyledons in beans is ………………
A) Pericarp
B) Endosperm
C) Swelling in water
D) Artificial one
Answer:
B) Endosperm

Question 148.
Cotyledons are present in
A) Stamens
B) Ovary
C) Ovule
D) Seeds
Answer:
D) Seeds

Question 149.
The parts of flower useful even after fertilisation
A) Ovule
B) Androecium
C) Style, Stigma
D) Calyx
Answer:
A) Ovule

Question 150.
This part indicates future root in matured embryo
A) Plumule
B) Radicle
C) Chalaza
D) Cotyledons
Answer:
B) Radicle

Question 151.
The name of the part on which pollen tube enters into embryo sac
A) Intra ovular tissue
B) Chalaza
C) Micropyle
D) Tissue
Answer:
C) Micropyle

Question 152.
Endosperm forms due to fertilization of …………………
A) male gamete + synergids
B) male gamete + antipodal cells
C) male gamete + female gamete
D) male gamete + second nucleus
Answer:
D) male gamete + second nucleus

Question 153.
Double fertilization is seen only in
A) Cycas
B) Pinus
C) Angiosperms
D) Bryophytes
Answer:
C) Angiosperms

Question 154.
Fertilization of fusion nucleus stimulates the formation of :
A) Endosperm
B) Zygote
C) Exospefm
D) Cotyledons
Answer:
A) Endosperm

Concept – 8 : Cell Division and Configuration of Life

Question 155.
The scientist who discovered the mitosis is
A) Wilhelm Roux
B) Gregor Mendel
C) Walther Flemming
D) Robert Remak
Answer:
C) Walther Flemming

Question 156.
The scientist who discovered that production of new cells occur through cell division is
A) Robert Remak
B) Virchow
C) Walther Flemming
D) Gregor Mitos
Answer:
B) Virchow

Question 157.
The scientist who told about the information of meiosis
A) Walther Flemming
B) Theodor Boveri
C) August Weismann
D) Wilhelm Roux
Answer:
B) Theodor Boveri

Question 158.
Mitos means
A) Division
B) Fine threads
C) Chromosomes
D) Nucleus
Answer:
B) Fine threads

Question 159.
In which of the following part meiosis occurs ?
A) Stamen
B) Pollen sac
C) Pollen grain
D) Part of stamen
Answer:
B) Pollen sac

Question 160.
The period between two cell divisions is called
A) Prophase
B) Anaphase
C) Interphase
D) Metaphase
Answer:
C) Interphase

Question 161.
Stages of interphase
1) G₁ phase
2) S phase
3) G₂ phase
4) M phase
A) 1 Only
B) 1 & 2
C) 1, 2, 3
D) 2 only
Answer:
C) 1, 2, 3

Question 162.
Nuclear membrane disappears in one of the stages of cell division
A) Prophase
B) Metaphase
C) Telophase
D) Anaphase
Answer:
A) Prophase

Question 163.
Identify the mitotic phase shown in the diagram
AP 10th Class Biology Bits Chapter 6 Reproduction 12
A) Prophase
B) Anaphase
C) Metaphase
D) Telophase
Answer:
B) Anaphase

Question 164.
Dr. Potu Narasimha Rao from Guntur is a renowned scholar and eminent
A) Cytology
B) Physiology
C) Psychology
D) Embryology
Answer:
A) Cytology

Question 165.
The daughter cells formed during meiosis are :
A) Haploid
B) Diploid
C) Triploid
D) Polyploid
Answer:
A) Haploid

Question 166.
Identify the correct sequence.
A) Prophase → Anaphase → Telophase → Metaphase
B) Prophase → Metaphase → Anaphase → Telophase
C) Metaphase → Telophase → Prophase → Anaphase
D) Prophase → Anaphase → Metaphase → Telophase
Answer:
B) Prophase → Metaphase → Anaphase → Telophase

Question 167.
The phase in which DNA synthesis takes place.
A) G₁ – phase
B) M – phase
C) G₂ – phase
D) S – phase
Answer:
D) S – phase

Question 168.
Mitosis was discovered by ……………….
A) Theodor Boveri
B) August Weismann
C) Walther Flemming
D) Charles Darwin
Answer:
B) August Weismann

Question 169.
Meaning of the phrase “Omnis Cellula de Cellula” is
A) All cells exist from preexisting cells .
B) All cells can divide
C) All cells contain nucleus
D) All cells are the product of nucleus
Answer:
A) All cells exist from preexisting cells .

Question 170.
Which of the following is the correct sequence of stages in the cell cycle?
A) S → M → G₁ → G₂
B) M → S → G₁ → G₂
C) G₁ → G₂ → S → M
D) G₁ → S → G₂ → M
Answer:
D) G₁ → S → G₂ → M

Question 171.
Division of nucleus is called :
A) Cytokinesis
B) Karyokinesis
C) Interphase
D) Telophase
Answer:
B) Karyokinesis

Question 172.
Which of the following stages of cell division involves the movement of chromosomes to spindle equator?
A) Anaphase
B) Metaphase
C) Telophase
D) Cytokinesis
Answer:
B) Metaphase

Question 173.
Cytoplasmic division occurs in ………………. of the cell division
A) Metaphase
B) Telophase
C) Anaphase
D) Prophase
Answer:
C) Anaphase

Question 174.
The part in which the centrioles are formed during cell division is
A) Plant cell
B) Cancer cell
C) Animal cell
D) Nerve cell
Answer:
C) Animal cell

Question 175.
Chromosomal number becomes half in certain types of cells in cell division. This type of cell division takes place in
A) In testes
B) In ovaries
C) In both
D) In all body cells
Answer:
C) In both

Question 176.
In synthetic stage of cell division cycle which substance is synthesized more ?
A) RNA
B) RNA and proteins
C) DNA
D) Glucose
Answer:
C) DNA

Question 177.
Which animal is having less number of chromosomes ?
A) Onion
B) Monkey
C) Ascaris
D) Rat
Answer:
C) Ascaris

Question 178.
Find out the correct statement
a – Mitos means fine threads b – Mitosis was discovered by Walther Flemming ‘
A) Both ‘a’ & ‘b’ are true
B) ‘a’ is true, ‘b’ is false
C) ‘a’ is false, ‘b’ is true
D) Both ‘a’ & ‘b’ are false
Answer:
A) Both ‘a’ & ‘b’ are true

Question 179.
Consider the following sentences.
a – The number of chromosomes remain same throughout the generations.
b – Though the cell division occurs the chromosomal number remains constant
A) Both ‘a’ & ‘b’ are true, ‘b’ explains ‘a’
B) Both ‘a’ & ‘b’ are true, ‘b’ doesn’t explain ‘a’
C) ‘a’ is true, ‘b’ is false
D) ‘a’ is false, ‘b’ is true
Answer:
A) Both ‘a’ & ‘b’ are true, ‘b’ explains ‘a’

Question 180.
a – Skin cells stimulate and divide at site of injury and form new tissues.
b – Cancer cells do not respond to controlling factors and perform division
A) Both ‘a’ & ‘b’ are true, ‘b’ explains ‘a’
B) Both ‘a’ & ‘b’ are true, ‘h’ doesn’t explain ‘a’
C) ‘a’ is true, ‘b’ is false
D) ‘a’ is false, ‘b’ is true
Answer:
B) Both ‘a’ & ‘b’ are true, ‘h’ doesn’t explain ‘a’

Question 181.
Find out the correct sentence.
a – Centromeres in metaphase split and separate the chromatids
b – Nucleus divides into two in prophase
A) Both ‘a’ & ‘b’ are true
B) ‘a’ is true, ‘b’ is false
C) ‘a’ is false, ‘b’ is true
D) Both ‘a’ & ‘b’ are false
Answer:
B) ‘a’ is true, ‘b’ is false

Question 182.
a – Meiosis occurs in two stages
b – Even though meiosis has two divisions chromosomal division occurs only once.
A) Both ‘a’ & ‘b’ are true, ‘b’ explains ‘a’
B) Both ‘a’ & ‘b’ tire hue. ‘b’ doesn’t explain ‘a’
C) ‘a’ is true,.’b’ is false
D) ‘a’ is false, ‘b’ is true
Answer:
A) Both ‘a’ & ‘b’ are true, ‘b’ explains ‘a’

Question 183.
Maintenance of equal number of chromosomes in ………………… (i) ……………………… division and chromosomal number reduced to half in …………………….. (ii) ………………. division.
A) i – meiotic, ii – mitotic
B) i – mitotic, ii – meiotic
C) i – equal division, ii – meiotic
D) i – meiotic, ii – unequal
Answer:
B) i – mitotic, ii – meiotic

Question 184.
Wrong statement about meiosis :
i) Meiosis occurs during gamete formation
ii) Meiosis has 2 stages
iii) Though division occurs in 2 stages chromosomal division occurs only once
iv) Four daughter nuclei are formed
A) i, ii
B) ii & iii
C) i, ii, iii
D) All of the above
Answer:
D) All of the above

Question 185.
AP 10th Class Biology Bits Chapter 6 Reproduction 13
What happens in the ‘M1 phase of this cell cycle ?
A) Cell size increases
B) Cell organelle divides
C) Duplication of chromosome
D) Cell divides
Answer:
D) Cell divides

Question 186.
Arrange the stages in a correct order
1. S stage
2. G₂ stage
3. M stage
4. G₁ stage
A) 4, 1, 2, 3
B) 2, 3, 4,1
C) 4, 2, 3,1
D) 1, 3, 4, 2
Answer:
A) 4, 1, 2, 3

Concept – 9 : Reproductive Health

Question 187.
ART stands for
A) Anti Retrogressive Therapy
B) Anti Resonance Theraphy
C) Anti Retroviral Therapy
D) Acute Retroviral Therapy
Answer:
C) Anti Retroviral Therapy

Question 188.
ASHA stands for
A) Accredited Social Health Association
B) Accredited Social Health Activist
C) AIDS Social Health Activist
D) AIDS Sexual Health Activist
Answer:
B) Accredited Social Health Activist

Question 189.
STD stands for
A) Subscribers Trunk Demand
B) Sexually Trunk Dialing
C) Sexually Transmitted Disease
D) Sexually Telephoned Dialing
Answer:
C) Sexually Transmitted Disease

Question 190.
The states that took first three places with highest number of HIV – AIDS patients
i) Andhra Pradesh
ii) Maharashtra
iii) Karnataka
A) i, iii, ii
B) i, ii, iii
C) iii, ii, i
D) ii, iii, i
Answer:
A) i, iii, ii

Question 191.
The age group affected by HIV – AIDS
A) 10 – 15
B) 15 – 24
C) 10 – 60
D) 15 – 49
Answer:
D) 15 – 49

Question 192.
The factors for spreading of HIV – AIDS
i) Unprotected sex
ii) Illegal sex activities
iii) Unprotected blood transfusion
iv) Mosquito bite
A) i, ii, iii,
B) ii, iii, iv
C) i, ii
D) iv
Answer:
A) i, ii, iii,

Question 193.
Red ribbon club educates the people on …………………
A) Leprosy
B) Family planning
C) AIDS
D) Ebola disease
Answer:
C) AIDS

Question 194.
AIDS : Virus :: Syphilis : ?
A) Virus
B) Bacteria
C) Fungus
D) Protozoan
Answer:
B) Bacteria

Question 195.
Gonorrhoea: ? :: Syphilis : Bacteria
A) Virus
B) Bacteria
C) Fungus
D) Protozoan
Answer:
B) Bacteria

Question 196.
Which of the following is not a contraceptive ?
A) Copper T
B) Vasectomy
C) Tubectomy
D) Green tea
Answer:
D) Green tea

Question 197.
Whom do you consult to know about HIV – AIDS ?
A) ASHA
B) USHA
C) Red Ribbon Express
D) A or C
Answer:
D) A or C

Question 198.
This symbol denotes ………………………..
AP 10th Class Biology Bits Chapter 6 Reproduction 14
A) World AIDS Day
B) World DOCTORS’ Day
C) World HEALTH Day
D) World RED CROSS Day
Answer:
A) World AIDS Day

Question 199.
Consider the following.
a – Girls only after 18 years of age can be said to be prepared for the marriage
b – Every year 21% of teenage mothers die dining delivery
A) Both ‘a’ & ‘b’ are true, ‘b’ explains ‘a’
B) Both ‘a’ & ‘b’ are true, ‘b’ doesn’t explain ‘a’
C) ‘a’ is true, ‘b’ is false
D) ‘a’ is false, ‘b’ is true
Answer:
B) Both ‘a’ & ‘b’ are true, ‘b’ doesn’t explain ‘a’

Question 200.
The pills used by male, kill the sperms. These are called
A) Wormicides
B) Spermicides
C) Pesticides
D) Herbicides
Answer:
B) Spermicides

Question 201.
The contraceptive which prevents not only fertilisation but also transmitting sexual diseases
A) Spermicides
B) Condomes
C) Tubectomy
D) Copper – T, Loop
Answer:
B) Condomes

Question 202.

List – I	List – II
a) Vasa deferentia	1. Copper-T
b) Contraceptive device	2. Spermicide
c) Closing of fallopian tube	3. Tubectomy

A) 1 – a, 2 – b, 3 – c
B) 1 – b, 2 – a, 3 – c
C) 1 – c, 2 – b, 3 – a
D) 2 – b, 3 – c, 1 – a
Answer:
B) 1 – b, 2 – a, 3 – c

Question 203.
In our country, the legal age for marriage of boys is …………………….
A) 21
B) 20
C) 18
D) 23
Answer:
A) 21

Question 204.
Parental sex determination has been prohibited by the law due to …………………
A) High cost charged by doctors
B) Possible danger of mother’s health
C) Increasing cases of female foeticide
D) Increasing cases of male foeticide
Answer:
C) Increasing cases of female foeticide

Question 205.
This surgical operation prevents ovum from entering into oviducts.
A) Hysterectomy
B) Tubectomy
C) Vasectomy
D) Surrogacy
Answer:
B) Tubectomy

Question 206.
Vasectomy means
A) Cutting and tying of sperm ducts
B) Cutting and tying of fallopian tubes
C) Foeticide
D) Prevention of sexual diseases
Answer:
A) Cutting and tying of sperm ducts

Question 207.
The tube which will be cut in vasectomy method .
A) Seminal vesicle
B) Oviduct
C) Epididymis
D) Vasa deferentia
Answer:
D) Vasa deferentia

Question 208.
The tube which will be cut and tied the ends in tubectomy method is
A) Graffian follicle
B) Fallopian tube
C) Uterus
D) Vagina
Answer:
B) Fallopian tube

Question 209.
Contraceptive methods are
A) device
B) chemicals
C) devices, chemicals
D) unhealthy activities
Answer:
C) devices, chemicals

Question 210.
This stops spreading of AIDS.
A) T – loop
B) Prevention is better
C) Tubectomy
D) Vasectomy
Answer:
B) Prevention is better

Question 211.
The legal age of girls in India was declared by ……………………
A) Parents
B) Priests
C) Government of India
D) Women organisation
Answer:
C) Government of India

Question 212.
The incorrect reason about “child marriages – an illegal act”.
A) Immaturity of reproductive organs
B) Incapability in nourishing the children
C) Less dowry earning
D) Lack of capability on family responsibility
Answer:
C) Less dowry earning

Question 213.
The state that is in top most place with female and male ratio
A) Andhra Pradesh
B) Rajasthan
C) Kerala
D) Madhya Pradesh
Answer:
C) Kerala

Question 214.
This age group human being starts producing sperm about ……………………
A) 13 or 14 years
B) 10 or 11 years
C) Embryonic stage
D) 20 – 21 years
Answer:
A) 13 or 14 years

Question 215.
One of the following is not a reason for foetal killing.
A) Girl is not a capable person
B) Dowry problem
C) Sex-determination through ultra – scanning
D) Cause of “Kanyasulkam”
Answer:
D) Cause of “Kanyasulkam”

Question 216.
These are essential for keeping healthy sexual life.
A) Life skills
B) Financial skills
C) Sociological skills
D) Personality skills
Answer:
D) Personality skills

Question 217.
We should think about controlling not only high population but also
A) to create healthy society
B) to create contraceptive methods
C) to create high-tech culture
D) to enhance low female rate
Answer:
A) to create healthy society

Question 218.
Declination in female sex ratio is due to
A) Inclination in males
B) Sterility in males
C) Female foeticides
D) Male foeticides
Answer:
C) Female foeticides

AP 10th Class Biology Bits Chapter 5 Coordination with Answers

August 7, 2021

Practice the AP 10th Class Biology Bits with Answers Chapter 5 Coordination on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 10th Class Biology Bits 5th Lesson Coordination with Answers

Concept – 1: Responding to Stimuli

Question 1.
Which of the following is not a basic function ?
A) Movement
B) Control of hormones
C) Balance
D) Co-ordination
Answer:
C) Balance

Question 2.
The tree branched like structures appear on the cell body of neuron
A) Axon
B) Cyton
C) Dendrites
D) Afferent nerves
Answer:
C) Dendrites

Question 3.
Nissil’s granules are present in …………………
A) Eosinophils
B) Neutrophils
C) Cyton
D) Lymphocytes
Answer:
C) Cyton

Question 4.
The cells which nourish nutrients to the neurons
A) Erythrocytes
B) Glial cells
C) Monocytes
D) Blood platelets
Answer:
B) Glial cells

Question 5.
Which is not found in non – myelinated neurons ?
A) Cyton
B) Synapse
C) Axon
D) Dendrite
Answer:
C) Axon

Question 6.
The arcs which operate when you put your leg on sharp thing ………………….
A) Reflex arcs
B) Controlled arcs
C) Brain
D) Involuntary arcs
Answer:
A) Reflex arcs

Question 7.
We did not know about the Nervous control system in………………. century.
A) 16^th
B) 17^th
C) 18^th
D) 19^th
Answer:
B) 17^th

Question 8.
Nervous system starts from …………………. part.
A) Brain
B) Spinal cord
C) A and B
D) Heart
Answer:
C) A and B

Question 9.
The longest structure in neuron is …………………..
A) Cyton
B) Axon
C) Dendrites
D) Nerve
Answer:
B) Axon

Question 10.
The life processes in humans are controlled and regulated by :
A) reproductive and endocrine systems
B) respiratory and nervous systems
C) endocrine and digestive systems
D) nervous and endocrine systems
Answer:
D) nervous and endocrine systems

Question 11.
The reactions which occur immediately and perfectly are known as …………………….
A) Reflex action
B) Controlled action
C) Uncontrolled action
D) Work
Answer:
A) Reflex action

Question 12.
You observed the slide of neuron under microscope. How were dendrites appeared in the specimen ?
A) round shape
B) Cylindrical in shape
C) Branched structures protruded from cyton
D) Helical structure
Answer:
C) Branched structures protruded from cyton

Question 13.
The system, which recognises the external and internal changes of the body is ………………
A) Digestive
B) Endocrine
C) Nervous
D) Circulatory
Answer:
C) Nervous

Question 14.
Jerking your body when you hears a loud sudden noise is a good example for
A) Reflex action
B) Voluntary action
C) Both.
D) None
Answer:
A) Reflex action

Question 15.
We can understand that “responses are brought about by rapid changes in body” by doing this experiment
A) Running on the track
B) Stick holding experiment
C) Sleeping experiment
D) All the above
Answer:
B) Stick holding experiment

Concept – 2 : Integration Pathways Nerves Coordination

Question 16.
The structures that act as telephone wires in the body
A) Veins
B) Arteries
C) Muscle fibres
D) Neurons
Answer:
D) Neurons

Question 17.
The organ that integrates, processes the stimuli
A) Heart
B) Synapse
C) Pituitary gland
D) Brain
Answer:
B) Synapse

Question 18.
Find out the odd one.
A) Axon
B) Dendrite
C) Valve
D) Cyton
Answer:
C) Valve

Question 19.
Choose the correct order for nervous control
A) Response, Stimuli
B) Stimuli, Response
C) Hearihg, Stimuli
D) Stimuli, Order of brain
Answer:
B) Stimuli, Response

Question 20.
Sequential events that bring about responses
1. Detecting the stimuli
2. Transmission of information then 3 and 4 are …………………………
A) Response – Analysis
B) Analysis – Reflex
C) Analysis – Response
D) Reflex – Analysis
Answer:
C) Analysis – Response

Question 21.
Coordination occurs …………………
i) due to stimuli changes occur in muscles
ii) the change leads to responses
iii) the silence of responses leads to co-ordination
A) i, ii only
B) i only
C) iii only
D) ii only
Answer:
D) ii only

Question 22.
In a synapse, chemical signal is transmitted from:
A) axon to cell body of the same neuron.
B) cell body to axon end of the same neuron.
C) dendrite end of one neuron to axon end of adjacent neuron.
D) axon end of one neuron to dendrite end of adjacent neuron.
Answer:
C) dendrite end of one neuron to axon end of adjacent neuron.

Question 23.
What is true about below given picture?
AP 10th Class Biology Bits Chapter 5 Coordination 1
A) Connection between the dendrites of different neurons
B) Functional region between two neurons
C) Analysis of received information
D) Both A and B
Answer:
B) Functional region between two neurons

Question 24.
A node of Ranvier is a :
A) bundle of microtubules
B) naked portion of a myelinated axon
C) group of neural cell bodies in the central nervous system
D) knob – like structure at the end of an axon
Answer:
B) naked portion of a myelinated axon

Question 25.
The cells that give the nutrients to the neurons are ………………….
A) Red blood cells
B) Monocytes
C) Blood platelets
D) Glial cells
Answer:
D) Glial cells

Question 26.
Cells present in myelin sheath of neuron are …………………..
A) Nissel’s granules
B) Schwann cells
C) α – particles
D) Globulins
Answer:
B) Schwann cells

Question 27.
The junction between nerve cells is known as………………..
A) Axon
B) Synapse
C) Stimuli
D) Neuron
Answer:
B) Synapse

Question 28.
Separate the parts which do not form the synapse
a) Axon
b) Dendrite
c) Nodes of Ranvier
d) Nissil granules
A) a, c
B) c, d
C) a, d
D) a, b
Answer:
B) c, d

Question 29.
a) Neurons do not have any protoplasmic connection at synapse.
b) Information is passed in the form of chemical and electrical signals through synapse.
A) a, b both are true
B) a is true b is false
C) a is true b is false
D) a, b both are false
Answer:
A) a, b both are true

Question 30.
Read the following paragraph.
It is very difficult to find the types of neurons based on the presence of dendrites and length of axons in brain and spinal cord. But we can find out axons based on the presence of myelin sheath.
Where is my eline sheath present on the neuron ?
A) Cyton
B) Dendrites
C) Synapse
D) Axon
Answer:
D) Axon

Question 31.
Name the part to be labelled in the ‘?’
AP 10th Class Biology Bits Chapter 5 Coordination 2
A) Axon
B) Neuron
C) Dendrite
D) Cyton
Answer:
A) Axon

Question 32.
Name the given diagram.
AP 10th Class Biology Bits Chapter 5 Coordination 2
A) Algae
B) Neuron
C) Blood cell
D) Mitochondria
Answer:
B) Neuron

Question 33.
Find the missing part in the diagram.
AP 10th Class Biology Bits Chapter 5 Coordination 4
A) Cyton
B) Nucleus
C) Axon
D) Dendrites
Answer:
B) Nucleus

Question 34.
Galen, a Greek physiologist made one notable observation on :
A) Nervous pathways
B) Spinal cord
C) Nerve roots
D) All of these
Answer:
B) Spinal cord

Concept – 3 : Reflex Arc

Question 35.
What sort of biological process was proved by doing knee jerk activity?
A) Involuntary
B) Voluntary
C) Mixed action
D) Favourable action
Answer:
B) Voluntary

Question 36.
You had held up the scale from falling with the help of finger. What happened here ?
A) Responses in the eye
B) Changes occurred in the muscles – Responses
C) Stimuli occurred in fingers
D) Body movement – Responses
Answer:
B) Changes occurred in the muscles – Responses

Question 37.
The nerve or neuron that tells “ferrying towards”.
A) Afferent nerve
B) Sensory neuron
C) A or B
D) Motor neuron
Answer:
C) A or B

Question 38.
AP 10th Class Biology Bits Chapter 5 Coordination 5
What is related part in the box ‘Q’ ?
A) Axon
B) Motor neuron
C) Sensory nerves
D) Association nerves
Answer:
D) Association nerves

Question 39.
Identify the correct sequence of the reflex arc
A) Sense Organ → Spinal cord → Effector organ → Afferent nerve → Efferent nerve
B) Sense Organ → Afferent nerve→ Spinal cord → Efferent nerve → Effector Organ
C) Sense Organ → Efferent nerve → Spinal cord → Afferent nerve → Effector Organ
D) Effector Organ → Afferent nerve → Spinal cord → Efferent nerve → Sense Organ
Answer:
B) Sense Organ → Afferent nerve→ Spinal cord → Efferent nerve → Effector Organ

Question 40.
Consider the statements a & b.
a – Changes occur in muscles due to stimuli
b – The change occurs in the speed of muscles leads to responses.
A) Both a & b are true
B) a is true b is false
C) a is false b is true
D) Both a & b are false
Answer:
A) Both a & b are true

Question 41.
AP 10th Class Biology Bits Chapter 5 Coordination 6
It is a……………….
A) Sensory Nerve
B) Motor Nerve
C) Mixed Nerve
D) Controlling Nerve
Answer:
A) Sensory Nerve

Question 42.
You sat in the cricket ground. Ball was coming towards you. You escaped from it immediately. Which type of reaction is this ?
A) Voluntary action
B) Involuntary action
C) Reflex action
D) Controlled action
Answer:
C) Reflex action

Question 43.
Which of the system does not help in the movement of muscles ?
A) Nervous system
B) Contraction of muscles
C) Bones
D) Both A and B
Answer:
C) Bones

Question 44.
Nerve transmission from stimulus to a response can occur at a maximum speed of about …………….. meters per second.
A) 10
B) 1000
C) 100
D) 120
Answer:
C) 100

Question 45.
The contraction of pupil of the eye in the presence of bright light is an example of:
A) Voluntary reflex
B) Spinal reflex
C) Cerebral reflex
D) Adrenal reflex
Answer:
C) Cerebral reflex

Question 46.
AP 10th Class Biology Bits Chapter 5 Coordination 7 Here A and B represents
A) A = Brain, B = Sensory nerve
B) A = Sensory nerve, B = Receptor
C) a = Receptor, B = Sensory nerve
D) A = Sensory nerve, B = Brain
Answer:
D) A = Sensory nerve, B = Brain

Question 47.
Myelin sheath comprises ……………………….
A) Proteins
B) Carbohydrates
C) Lipids
D) Vitamins
Answer:
C) Lipids

Question 48.
The cells which are destroyed by viruses in Polio disease ………………………
A) Monocytes
B) Erythrocytes
C) Motor nerves
D) Sensory nerves
Answer:
C) Motor nerves

Question 49.
The nerves that carry information from sensory organs to brain or spinal cord
A) Motor nerves
B) Dendrites
C) Efferent nerves
D) Afferent nerves
Answer:
D) Afferent nerves

Question 50.
The nerves that carry information from brain or spinal cord to effecter organs
A) Dendrites
B) Afferent nerves
C) Efferent nerves
D) Sensory nerves
Answer:
C) Efferent nerves

Question 51.
Which of the following are cerebral reflexes ?
i) A person pulls away his hand on touching a hot object.
ii) A person spits out immediately when a fly enters his mouth while talking.
iii) A person walking bare foot lifts his foot at once on stepping on to a nail
iv) A person’s pupil contracts at once in the presence of bright light.
A) (i) and (ii)
B) (ii) and (iii)
C) (iii) and (iv)
D) (ii) and (iv)
Answer:
D) (ii) and (iv)

Question 52.
A cell (or group of cells) in a sense organ
which is sensitive to a particular type of stimulus is called :
A) interneuron
B) effector
C) receptor
D) acceptor
Answer:
C) receptor

Concept – 4 : Central Nervous System

Question 53.
The part which protects brain is ………………….
A) Cranium
B) Meninges
C) A and B
D) Bones
Answer:
C) A and B

Question 54.
The weight of brain is ………….. % of the whole body.
A) 1%
B) 2%
C) 3%
D) 4%
Answer:
B) 2%

Question 55.
The part which controls anger, pain, etc., is ……………………
A) Cerebrum
B) Diencephalon
C) Cerebellum
D) Medulla oblongata
Answer:
B) Diencephalon

Question 56.
If a person loses control on emotions, which part of brain is responsible for this?
A) Cerebrum
B) Diencephalon
C) Mid brain
D) Cerebellum
Answer:
B) Diencephalon

Question 57.
In the brain, which of the following is present in white portion ?
A) Cyton
B) Colour pigment
C) Axons
D) Meninges
Answer:
C) Axons

Question 58.
The part which controls pituitary gland in brain :
A) Cerebrum
B) Cerebellum
C) Medulla oblongata
D) Hypothalamus
Answer:
D) Hypothalamus

Question 59.
The system which is formed by ganglion of brain and spinal cord is
A) Sympathetic nervous system
B) Parasympathetic nervous system
C) Involuntary system
D) Peripheral nervous system
Answer:
A) Sympathetic nervous system

Question 60.
Olfactory lobes are concerned with sense of :
A) smell
B) hearing
C) taste
D) touch
Answer:
A) smell

Question 61.
The sensory centre that controls various actions in the body
A) Medulla
B) Cerebrum
C) Cerebellum
D) Diencephalon
Answer:
B) Cerebrum

Question 62.
The part of brain that joins fore brain and mid brain
A) Medulla
B) Cerebrum
C) Diencephalon
D) Pons varoli
Answer:
A) Medulla

Question 63.
The brain is protected by bony box called
A) Rib cage
B) Stomach
C) Cranium
D) Pleura
Answer:
C) Cranium

Question 64.
The brain is covered by three layers. The middle layer is
A) Dura mater
B) Pia mater
C) Arachnoid mater
D) Pleura
Answer:
C) Arachnoid mater

Question 65.
The liquid portion between the inner layers of brain and spinal cord is
A) Lymph
B) Plasma
C) Cerebro spinal fluid
D) Serum
Answer:
C) Cerebro spinal fluid

Question 66.
Brain and spinal cord are related to this nervous system
A) Sympathetic
B) Parasympathetic
C) Peripheral
D) Central
Answer:
D) Central

Question 67.
The cranial nerve that controls heart beat
A) Afferent nerve
B) Sensory nerve
C) Mixed nerve
D) Vagus nerve
Answer:
D) Vagus nerve

Question 68.
The white colour inner side of the brain is due to ………………….
A) Cytons
B) Axons
C) Dendrites
D) Glial cells
Answer:
B) Axons

Question 69.
A person has lost control on emotions. Which part of brain is responsible for it?
A) Cerebrum
B) Diencephalon
C) Mid brain
D) Cerebellum
Answer:
B) Diencephalon

Question 70.
Ramesh labelled the picture wrongly. Correct the parts (a)and (b).
AP 10th Class Biology Bits Chapter 5 Coordination 8
A) a – Cerebrum, b – Cerebellum
B) a – Spinal cord, b – Mid brain
C) a – Pons varoli, b – Gland
D) a – Medulla, b – Cerebellum
Answer:
A) a – Cerebrum, b – Cerebellum

Question 71.
Which of the following regulates the activities such as breathing, beating of the heart without our thinking?
A) Nervous system
B) Endocrine system
C) Respiratory system
D) All the above
Answer:
A) Nervous system

Question 72.
Brain uses …………………… of the whole body energy.
A) 2%
B) 100 %
C) 20 %
D) 50%
Answer:
C) 20 %

Question 73.
The following diagram represents the external view of human brain. Identify the parts labelled 1, 2, 3 and 4.
AP 10th Class Biology Bits Chapter 5 Coordination 9
A) 1 – Cerebellum, 2 – Mid brain, 3 – Cerebrum, 4 – Spinal cord
B) 1 – Cerebellum, 2 – Mid brain, 3 – Cerebrum, 4 – Pons
C) 1 – Cerebrum, 2 – Mid brain, 3 – Cerebellum, 4 – Spinal cord
D) 1 – Cerebrum, 2 – Hypothalamus, 3 – Cerebellum, 4 – Pons
Answer:
C) 1 – Cerebrum, 2 – Mid brain, 3 – Cerebellum, 4 – Spinal cord

Question 74.
The meninges surrounding the brain from inner to outer are :
A) Pia mater, Arachnoid mater, Dura mater
B) Duramater and Pia mater
C) Cerebrospinal fluid and Arachnoid mater
D) Arachnoid mater, Dura mater, Pia mater
Answer:
A) Pia mater, Arachnoid mater, Dura mater

Question 75.
Which structure makes up about 10 percent of the brain’s mass and contains about 50 percent of its neurons ?
A) Cerebral cortex
B) Cerebellum
C) Medulla oblongata
D) Pons varoli
Answer:
B) Cerebellum

Question 76.
In humans, damage to the cerebellum typically produces :
A) inability to initiate movement
B) movements that are slow and robot – like
C) resting tremor
D) muscle rigidity
Answer:
D) muscle rigidity

Question 77.
The surface area of cerebrum is increased by………………….
A) myelin sheath
B) gyri, sulci
C) axons
D) dendrites
Answer:
B) gyri, sulci

Question 78.
It is the seat for memory and thinking in brain
A) Diencephalon
B) Cerebellum
C) Mid brain
D) Cerebrum
Answer:
D) Cerebrum

Question 79.
Kavita solves puzzles. The part of the brain that helps her is ……………….
A) Cerebellum
B) Mid brain
C) Cerebrum
D) Diencephalon
Answer:
C) Cerebrum

Question 80.
We feel cold, heat, pain and pressure. These stimulus responses are under the control of this part of the body
A) Mid brain
B) Medulla oblongata
C) Cerebrum
D) Cerebellum
Answer:
C) Cerebrum

Question 81.
Find the correct statement.
A) Cerebrum is the centre for muscular activities.
B) Diencephalon controls thinking, memory and reasoning.
C) Cerebellum maintains posture, equilibrium and muscle tone.
D) Midbrain coordinates reflexes like swallowing, coughing, sneezing and vomiting.
Answer:
C) Cerebellum maintains posture, equilibrium and muscle tone.

Question 82.
This phenomenon refers to the actions upon a blood vessel which alters its diameter
A) Cerebral arc
B) Vasomotor
C) Dilation
D) Micturition
Answer:
D) Micturition

Question 83.
Suppose you sneezes unexpectedly.
Which part of the brain influences the action ?
A) Mid brain
B) Cerebrum
C) Cerebellum
D) Medulla oblongata
Answer:
D) Medulla oblongata

Concept – 5 : Spinal Cord

Question 84.
The number of pairs of cranial nerves in man
A) 10
B) 11
C) 12
D) 13
Answer:
C) 12

Question 85.
The number of pairs of spinal nerves in man
A) 30
B) 31
C) 32
D) 33
Answer:
B) 31

Question 86.
The ‘H’ shaped structure in the T.S of spinal cord is
A) Gyri
B) White matter
C) Sulci
D) Grey matter
Answer:
D) Grey matter

Question 87.
The part that coordinates involuntary actions in the body
A) Nervous system, Hormones control
B) Hormones control
C) Medulla oblongata, Autonomous nervous system
D) Medulla oblongata
Answer:
C) Medulla oblongata, Autonomous nervous system

Question 88.
The scientists who observed the liveliness of frog even after the removal of brain is ………………
A) Davinci, Stephen Hales
B) Davinci, Darwin
C) Stephen Hales, Francis
D) Charles Bell
Answer:
A) Davinci, Stephen Hales

Question 89.
The scientists who proved/ showed the functions of two roots of spinal cord are …………..
A) Charles Bell, Stephen Hales
B) Charles Bell, Magendie
C) Da Vinci, Magendie
D) Francis, Magendie
Answer:
B) Charles Bell, Magendie

Question 90.
Reflex actions are under the control of ……………..
A) Medulla
B) Cerebellum
C) Hypothalamus
D) Spinal cord
Answer:
D) Spinal cord

Question 91.
The cells which analyse the information in spinal cord
A) Sensory nerve fibres
B) Motor nerve fibres
C) Axons
D) Associated neurons
Answer:
D) Associated neurons

Question 92.
Choose the correct one.
a) We do not think while climbing the stairs where we are keeping our leg.
b) For this, controlled reflex arcs are the reason.
A) a, b both are true
B) a is true, b is false
C) a is false, b is true
D) a,b both are false
Answer:
A) a, b both are true

Question 93.
a) The dorsal horn of spinal cord control movement of muscles
b) Ventral horn of spinal cord brings information regarding sensation
A) Both a & b are true
B) a is true, b is false
C) b is true, a is false
D) Both a & b are false
Answer:
C) b is true, a is false

Question 94.
The role of spinal cord in nervous control was studied by:
A) Leonardo da Vinci
B) Stephen Hales
C) Both A and B
D) Francois Magendie
Answer:
A) Leonardo da Vinci

Question 95.
One of the examples is not involuntary function of autonomous nervous system
A) Expansion and contraction of pupil of our eye
B) Removing the leg when a thorn pierced the leg
C) Control of the level of sugar in blood
D) Control of the heart beat
Answer:
A) Expansion and contraction of pupil of our eye

Question 96.
Number of peripheral nerves is ………………….. pairs.
A) 12
B) 31
C) 43
D) 40
Answer:
C) 43

Question 97.
We can’t see anything soon after entering a dark room. Find the reason.
a) Cones in the eyes do not respond
b) The radius of pupil decreases
A) Both a & b are true, b explains a
B) Both a & b are true, b does not explain a
C) a is true, b is false
D) Both are false
Answer:
D) Both are false

Question 98.
Sympathetic nervous system is formed by :
A) chain of ganglia on either sides of vertebral column
B) nerves arising from ganglion of brain
C) nerves arising’from posterior part of spinal cord
D) chain of ganglia on either side of vertebral column and associated nerves
Answer:
D) chain of ganglia on either side of vertebral column and associated nerves

Question 99.
The parasympathetic and sympathetic nervous systems make up the ………………….. nervous system.
A) peripheral
B) autonomous
C) central
D) somatic
Answer:
B) autonomous

Question 100.
Spinal cord extends from :
A) back of medulla oblongata to the back of intestine
B) all along the length of vertebral column
C) back of hind brain to the back of lumbar region
D) ventral side of the vertebral column
Answer:
C) back of hind brain to the back of lumbar region

Concept – 6 : Coordination without Nerves

Question 101.
In Latin the word ‘insula’ means
A) Seduce
B) Island
C) Vein
D) Blood
Answer:
B) Island

Question 102.
Diabetes is related to this gland.
A) thyroid
B) pancreas
C) adrenal
D) pituitary
Answer:
B) pancreas

Question 103.
Match the following.
1. Somatotrophin
2. Adrenalin
3. Testosterone

a. Fight/ Flight
b. Growth of bones
c. Males
A) 1 – a, 2 – b, 3 – c
B) 1 – c, 2 – b, 3 – a
C) 1 – b, 2 – c, 3 – a
D) 1 – b, 2 – a, 3 – c
Answer:
D) 1 – b, 2 – a, 3 – c

Question 104.
Chemical coordination in the body is brought out by ………………………
A) blood
B) lymph
C) enzymes
D) hormones
Answer:
D) hormones

Question 105.
Identify the incorrect pair.
A) Thyroxin – Thyroid
B) Adrenalin – Pituitary
C) Insulin – Pancreas
D) Progesterone – Ovary
Answer:
B) Adrenalin – Pituitary

Question 106.
The organism which has ductless glands ………………
A) Amoeba
B) Earthworm
C) Euglena
D) Human being
Answer:
D) Human being

Question 107.
The gland which acts like a bridge between nervous system and endocrine system is ………………..
A) Adrenal gland
B) Thyroid gland
C) Testes
D) Pituitary gland
Answer:
D) Pituitary gland

Question 108.
Endocrine gland present in head is (or) The master gland in our body is
A) Pituitary
B) Adrenal
C) Islets of langerhans
D) Thyroid
Answer:
A) Pituitary

Question 109.
The-substance secreted by ductless glands is ……………….
A) Blood
B) Lymph
C) Enzymes
D) Hormones
Answer:
D) Hormones

Question 110.
Imagine two roosters are fighting at your kitchen garden. What hormone might be secreted in their body during that stage ?
A) Adrenalin
B) Thyroxine
C) Vasopressin
D) Insulin
Answer:
A) Adrenalin

Concept – 7 : Feedback Mechanism

Question 111.
The mechanism which controls the action of hormones is …………………..
A) Feedback mechanism
B) Controlling nervous system
C) Effect of auxins
D) Growth of organisms
Answer:
A) Feedback mechanism

Question 112.
The gland present on the given organs is not related to urination.
AP 10th Class Biology Bits Chapter 5 Coordination 10
A) Thyroid gland
B) Adrenal gland
C) Pituitary gland
D) Gonads
Answer:
B) Adrenal gland

Question 113.
The hormone that regulates menstrual cycle in women
A) Thyroxine
B) Testosterone
C) Testes
D) Pituitary gland
Answer:
D) Pituitary gland

Question 114.
The Somatotrophin which helps in growth of body is secreted by ………………..
A) Thyroid gland
B) Adrenal gland
C) Testes
D) Pituitary gland
Answer:
D) Pituitary gland

Question 115.
Glucose is. converted into …………………… by insulin and stored in the liver
A) Maltose
B) Glycogen
C) Sucrose
D) Starch
Answer:
B) Glycogen

Question 116.
Doctor advised Dileep that, he has to . take insulin daily compulsorily. Which disease is he suffering from ?
A) Epilepsy
B) Diabetes Insipidus
C) Diabetes Mellitus
D) Langerhans
Answer:
C) Diabetes Mellitus

Question 117.
Suma was walking on the road. All of a sudden she saw a snake approaching towards her. She was’ afraid of it. The reason for this is ………………….
1. She is timid by nature.
2. Due to the secretion of Adrenalin change occurred in her
3. Due to the secretion of vasopressin . change occurred in her
4. To tell it to her mother and father
A) 1, 2, 3
B) 3
C) 2
D) 2, 3, 4
Answer:
C) 2

Question 118.
Thyroxine : Metabolism:: Testosterone: ………………..
A) Sex organs in man
B) Sex organs in woman
C) Thyroid gland
D) Fat gland
Answer:
A) Sex organs in man

Question 119.
Doctor diagnosed a patient that he is suffering from the deficiency of a hormone. Doctor advised him to try to reduce the sugar percentage in his diet. Name the deficient hormone that the patient is suffering from.
A) Thyroxine
B) Insulin
C) Somatotrophin
D) Testosterone
Answer:
B) Insulin

Question 120.
A doctor advised a person to take of insulin injection because his :
A) blood pressure was high
B) heart beat was high
C) blood sugar was high
D) thyroxine level in blood was high
Answer:
C) blood sugar was high

Concept – 8 : Control Mechanism in Plants

Question 121.
Leaf movement in mimosa helps to
A) reduce photosynthesis
B) protect from grazers
C) releasing phytohormones
D) regulate its growth
Answer:
B) protect from grazers

Question 122.
The chemical substance which destroy s weeds ………………….
A) IAA
B) 2 – 4 – D
C) ABA
D) NAA
Answer:
B) 2 – 4 – D

Question 123.
The phytohormone which is respon¬sible for seed dormancy is …………………..
A) IAA
B) NAA
C) GA
D) ABA
Answer:
D) ABA

Question 124.
The special function of cytbkinins is
A) Production of more flowers
B) Production of more auxifts
C) Cell division
D) Cell destruction
Answer:
C) Cell division

Question 125.
Gibberellins play a vital role in the production of …………………
A) More buds
B) Size of flower
C) Short plants to long plants
D) Growth of lateral and apical buds equally
Answer:
C) Short plants to long plants

Question 126.
Apical dominance means……………………..
A) Continuous growth of apical buds
B) Apical buds dominate the lateral buds
C) Cutting of apical stem
D) Equal growth of apical and lateral branches
Answer:
B) Apical buds dominate the lateral buds

Question 127.
If we cut the apical bud of a plant ……………..
A) Plant grow at usual height
B) Lateral branches develop
C) Length of plant increases
D) Roots do not develop
Answer:
B) Lateral branches develop

Question 128.
The scientist who proposed the name ‘hormone’.
A) Paul Langerhans
B) William Blake
C) Starling
D) Francis and Darwin
Answer:
C) Starling

Question 129.
The “Influence substance” in the plants discovered by F.W. Went
A) Hormone
B) Gibberellin
C) Enzyme
D) Auxin
Answer:
D) Auxin

Question 130.
F.W. Went used these plants in his experiments
A) Agar – Agar
B) Oats
C) Wheat
D) Pea
Answer:
B) Oats

Question 131.
High concentration of auxin:
A) stimulates stem growth and root growth
B) stimulates stem growth and inhibits root growth
C) inhibits lateral buds and promotes root growth
D) inhibits stem growth and root growth
Answer:
B) stimulates stem growth and inhibits root growth

Question 132.
The movements which are not related with the direction of stimuli ?
A) Hydrotropism
B) Geotropism
C) Tropic movements
D) Nastic movements
Answer:
D) Nastic movements

Question 133.
Who stated that “There is some influence substance in plants ?”
A) Charles Darwin
B) Mendel, Charles Darwin
C) Francis, F W Went
D) FW. Went
Answer:
A) Charles Darwin

Question 134.
The hormone that influences ripening of fruits
A) Gibberellins
B) Ethylene
C) Cytokinins
D) Auxin
Answer:
B) Ethylene

Question 135.
Which plant hormone is responsible for closing of stomata ?
A) Abscisic acid
B) Auxin
C) Cytokinin
D) Ethylene
Answer:
A) Abscisic acid

Question 136.
Observe the following statements.
1) Promote cell division.
2) Promotion of sprouting of lateral buds.
3) Delaying aging in leaves.
Which of the following is concerned with the above characters ?
A) Auxins
B) Cytokinins
C) Gibberellins
D) Abscisic acid
Answer:
B) Cytokinins

Question 137.
The first phytohormone discovered in plants is …………………..
A) Auxins
B) Gibberellins
C) Cytokinins
D) ABA
Answer:
A) Auxins

Question 138.
The phytohormone which helps in the prevention of loss of water is
A) Gibberellins
B) Auxin
C) Cytokinin
D) ABA
Answer:
D) ABA

Question 139.

List – 1	List – 2
1. Gibberellin	a. Fruits
2. Auxin	b. Cell division
3. Ethylene	c. Growth

Which one is not matched correctly ?
A) 1
B) 2
C) 3
D) 1, 2, 3
Answer:
C) 3

Question 140.
If we observe potted plant growing horizontally on ground for some days, what will be the correct diagram given below ?
AP 10th Class Biology Bits Chapter 5 Coordination 11
Answer:
(c)

Question 141.
Observe the following a,b statements.
a) Abscisic acid prevents seed dormancy.
b) Gibberellin promotes seed dormancy.
A) a,b both are true
B) a is true b is false
C) a is false b is true
D) a,b both are false
Answer:
D) a,b both are false

Question 142.
Roots of a plant show:
A) positive phototropism and negative geotropism
B) negative phototropism and positive geotropism
C) negative tactic movement and positive tropic movement
D) positive geotropism of stem and roots
Answer:
B) negative phototropism and positive geotropism

Question 143.
Sprouting of lateral buds is promoted by
A) Auxins
B) Gibberellins
C) Cytokinins
D) A & B
Answer:
C) Cytokinins

Question 144.
The sweet smell of ripen fruits is due to
A) Cytokinins
B) ABA
C) Auxins
D) Ethylene
Answer:
D) Ethylene

Question 145.
Fadlike swellings atthe base of Mimosa leaves are called
A) nodules
B) pulvini
C) venules
D) hormones
Answer:
B) pulvini

Question 146.
The hormone which inhibits the growth of plant is
A) Auxins
B) Cytokinins
C) Gibberellins
D) Abscisic acid
Answer:
D) Abscisic acid

Question 147.
The hormone promotes ageing in leaves in plants ?
A) Auxins
B) Abscisic acid
C) Cytokinins
D) Ethylene
Answer:
B) Abscisic acid

Question 148.
Dilation of the pupil of the eye is under the control of this hormone.
A) Thyroxine
B) Estrogen
C) Adrenalin
D) Insulin
Answer:
C) Adrenalin

Question 149.
Auxins were discovered by :
A) Went
B) Charles Darwin
C) Banting and Best
D) Francis Darwin
Answer:
A) Went

Question 150.
Find the incorrect statement regarding thyroxine.
A) Thyroid gland requires iron for the synthesis of thyroxine.
B) It regulates carbohydrate, protein and fat metabolism.
C) Iodine is essential for the synthesis of thyroxine.
D) Thyroid gland can enlarge due to lack of thyroxine.
Answer:
B) It regulates carbohydrate, protein and fat metabolism.

Question 151.
The part of brain with the greatest influence on the endocrine system is the:
A) Hypothalamus
B) Medulla oblongata
C) Cerebral cortex
D) Pituitary
Answer:
A) Hypothalamus

Question 152.
Gonadotropins are :
A) produced by ovaries and testes
B) thyroid stimulating hormones
C) stimulators of ovaries and testes
D) follicle stimulating hormones
Answer:
C) stimulators of ovaries and testes

Question 153.
The plant hormone responsible for ‘one rotten apple spoiling the whole bunch’ is :
A) Auxin
B) Gibberellin
C) Cytokinin
D) Ethylene
Answer:
D) Ethylene

Question 154.
Maximum seed germination can be achieved by treating the seeds with :
A) Auxin
B) Gibberellins
C) Abscisic acid
D) Ethylene
Answer:
B) Gibberellins

Question 155.
Luteinizing hormone in females:
A) stimulates ovary to secrete Oestrogen
B) helps in release of ovum from ovary
C) controls blood pressure
D) helps in milk production
Answer:
B) helps in release of ovum from ovary

Question 156.
What happens when Adrenaline level increases in our blood ?
i) The hair on the body becomes erect and we get goose bumps.
ii) Skin becomes sensitive
iii) Anger decreases
iv) Urine may discharge
A) i, ii and iii
B) ii, iii and iv
C) iii and iv
D) i, ii and iv
Answer:
D) i, ii and iv

Question 157.
A cap like gland that is close to kidney.
A) Liver
B) Adrenal
C) Pancreas
D) Thyroid
Answer:
B) Adrenal

Question 158.
The hormone responsible for phototropism in plants.
A) Ethylene
B) Cytokinins
C) Gibberellins
D) Auxins
Answer:
D) Auxins

Concept – 9 : Tropic and Nastic movements in Plants

Question 159.

List – A	List – B
1. Sunflower plant	a. Phototropism
2. Mimosa pudica	b. Chemotropism
3. Cucumber creeper	c.Thigmotropism

Which one is not matched correctly ?
A) 1
B) 3
C) 2
D) All of the above
Answer:
C) 2

Question 160.
a – Butterfly flutters on flower to obtain nectar
b – The ovary of flowers is sweet in taste
A) Both a and b are true – a explains b
B) Both a and b are true – a doesn’t explain b
C) a is false, b is true
D) a is true, b is false
Answer:
D) a is true, b is false

Question 161.
The role of auxins is to :
A) promote fruit growth
B) stimulate positive phototropism
C) cause roots to develop
D) all of the above
Answer:
B) stimulate positive phototropism

Question 162.
Consider the statements a and b.
a – We will see nastic movements in mimosa
b – The same plant species exhibit hydrotropism
A) Both ‘a’ and ‘b’ are true
B) ‘a’ is true ‘b’ is false
C) ‘a is false ‘b’ is true
D) Both ‘a’ and’b’ are false
Answer:
A) Both ‘a’ and ‘b’ are true

Question 163.
Guess the correct answer in the ‘?’ box
A) Growth promoters
B) Growth inhibitors
C) Tropic
D) Trophism
AP 10th Class Biology Bits Chapter 5 Coordination 13
Answer:
C) Tropic

Question 164.
Root shows ……………………. type of tropism.
A) Phototropism
B) Geo
C) Chemo
D) Nastic
Answer:
B) Geo

Question 165.
The reason for fluttering of butterflies around the flowers is …………………..
A) Chemotropism
B) Thigmotropism
C) Hydrotropism
D) Nastic movements
Answer:
A) Chemotropism

Question 166.
The growth of root is geotropism, and the growth of stem is …………………
A) Negative geotropism
B) Thigmotropism
C) Chemotropism
D) Hydrotropism
Answer:
A) Negative geotropism

Question 167.
Plants with weak stems such as cucumber and bittergourd show………………..
A) Phototropism
B) Thigmotropism
C) Geotropism
D) Chemotropism
Answer:
B) Thigmotropism

Question 168.
‘a’ – Bitter gourd grows by arranging support
‘b’- Ridge gourd grows without support
A) a & b are true
B) a is true, b is false
C) b is true, a is false
D) both a & b are false
Answer:
B) a is true, b is false

Question 169.
The plant that grows in your surroundings / school premises shows thigmotropism. Find it from the following.
A) Mango
B) Cucumber
C) Sunflower
D) Banyan tree
Answer:
B) Cucumber

Question 170.
The following plant species show phototropism
A) Coconut, Sunflower
B) ‘Cucumber, Banyan
C) Mango, Neem
D) A & C
Answer:
A) Coconut, Sunflower

Question 171.
A farmer arranged support for cucumber plants. So that they creep and grow in normal conditions. What type of tropic movement is shown by cucumber?
A) Phototropism
B) Geotropism
C) Hydrotropism
D) Thigmotropism
Answer:
D) Thigmotropism

Question 172.
Scientific name of ‘touch me not’ plant is
A) Mangifera indica
B) Mimosa pudica
C) Azadiraehta indica
D) Cinchona officinalis
Answer:
B) Mimosa pudica

Question 173.
One of the following is not a growth effector
A) Auxins
B) Cytokinins
C) Abscisic acid
D) Gibberellins
Answer:
C) Abscisic acid

Question 174.
Find out mis – matched pair
1) Cucumber – Thigmotropism
2) Sunflower – Phototropism
3) Nectar secretion – Hydrotropism
A) 1
B) 1 & 2
C) 3
D) 1 & 3
Answer:
C) 3

Question 175.
Name the type of responses, shown by the plant in the picture due to contact or touch, is called
A) Hydrotropism
B) Thigmotropism
C) Phototropism
D) Getotropism
AP 10th Class Biology Bits Chapter 5 Coordination 14
Answer:
B) Thigmotropism

AP 10th Class Biology Bits Chapter 4 Excretion with Answers

August 7, 2021

Practice the AP 10th Class Biology Bits with Answers Chapter 4 Excretion on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 10th Class Biology Bits 4th Lesson Excretion with Answers

Concept – I : Introduction-Excretion in Human Beings

Question 1.
Metabolic activities are
A) Only Anabolic activity
B) Only Catabolic activity
C) Both Anabolic & Catabolic activities
D) Partially Anabolic activity
Answer:
C) Both Anabolic & Catabolic activities

Question 2.
The word Excretion belongs to ……………….. language.
A) Greek
B) English
C) Chinese
D) Latin
Answer:
D) Latin

Question 3.
We have to wash the hands with ……………. after the dissection of kidney.
A) Dettol soap
B) fresh water
C) anti bacterial lotion
D) petrol
Answer:
C) anti bacterial lotion

Question 4.
AP 10th Class Biology Bits Chapter 4 Excretion 1
Based on the above table the normal range of creatinine in the urine
A) <100 mg
B) 102 mg
C) 1 – 2 mg
D) 200 mg
Answer:
C) 1 – 2 mg

Question 5.
AP 10th Class Biology Bits Chapter 4 Excretion 2
The volume of potassium at normal level in urine
A) 125 m.mol /L
B) 25 – 100 m.mol /L
C) 100 – 125 m.mol /L
D) 250 – 120 m.mol /L
Answer:
B) 25 – 100 m.mol /L

Question 6.
Read the contents of the urine as per the information given in table
AP 10th Class Biology Bits Chapter 4 Excretion 3
The normal range of iurea present in the urine per day
A) 20 – 30 gm
B) 20 – 30 mg
C) 50 – 80 gm
D) 20 – 30 mmol/L
Answer:
A) 20 – 30 gm

Question 7.
How can you identify the waste materials in blood ?
A) Through scanning
B) Through urine test
C) Using thermometer
D) Through blood test
Answer:
B) Through urine test

Question 8.
Find the odd one different from the other three.
A) Carbohydrates
B) Fats
C) Proteins
D) Pyrethroids
Answer:
D) Pyrethroids

Question 9.
Find the incorrect function of the urinary system:
A) Removal of waste products from the blood stream.
B) Storage and excretion of urine
C) Regulation of leucocyte and platelet production
D) Regulation of blood volume and indirectly blood pressure
Answer:
C) Regulation of leucocyte and platelet production

Concept – 2 : Kidneys

Question 10.
Which of the following is correct path taken by urine in our body ?
A) Kidney, urethra ,ureters, bladder
B) Kidney, ureters,bladder, urethra
C) Kidney, bladder,ureters, urethra
D) Kidney, urethra ,bladder, ureters
Answer:
B) Kidney, ureters,bladder, urethra

Question 11.
Part of the nephron that exists in outer zone of kidney
A) Loop of the Henle
B) PCT
C) DCT
D) Bowman’s capsule
Answer:
D) Bowman’s capsule

Question 12.
In a typical adult kidney, the renal ………………….. is subdivided intp 8 to 15 distinct conical or triangular structures known as renal ……………………….
A) cortex; papillae
B) medulla; pyramids
C) medulla; columns
D) cortex; pyramids
Answer:
B) medulla; pyramids

Question 13.
Arrange the following to trace the path of filtrate through a renal tubule :
1) proximal convoluted tubule
2) distal convoluted tubule
3) ascending limb of nephron loop
4) descending limb of nephron loop
A) 1, 2, 3, 4
B) 2, 3, 4, 1
C) 1, 4, 3, 2
D) 3, 2, 1, 4
Answer:
C) 1, 4, 3, 2

Question 14.
The cup shaped broader end of nephron is called:
A) Glomerulus
B) Cortex
C) Medulla
D) Bowman’s capsule
Answer:
B) Cortex

Question 15.
‘U’ shaped part of the Renal tubule is called:
A) Loop of Henle
B) Proximal convoluted tubule
C) Distal convoluted tubule
D) Glomerulus
Answer:
C) Distal convoluted tubule

Question 16.
Choose the correct sentence that concerns with kidneys –
A) One pair of kidneys, one pair of ureters, urinary bladder
B) One pair of urinary bladder, one pair of ureters, kidney
C) One pair of kidneys, one pair of urinary bladder, ureter
D) One pair of ureters,one pair ofkidneys, ureter
Answer:
A) One pair of kidneys, one pair of ureters, urinary bladder

Question 17.
The part in which kidneys are located is ……………………
A) Ventral cavity
B) Abdominal cavity
C) Lateral part of the body
D) Chest portion
Answer:
B) Abdominal cavity

Question 18.
The inner side of a kidney has ………………….
A) Pyramid
B) Bowman’s capsule
C) Hilus
D) Himunus
Answer:
C) Hilus

Question 19.
The blood vessel which enters through hilus is …………………….
A) Renal artery
B) Renal vein
C) Adrenal vein
D) Adrenal artery
Answer:
A) Renal artery

Question 20.
The blood vessel which comes out from hilus is …………………
A) Renal artery
B) Afferent arteriole
C) Efferent arteriole
D) Renal vein
Answer:
D) Renal vein

Question 21.
The dark coloured outer zone is called
A) Medulla
B) Nephron
C) Auricle
D) Cortex
Answer:
D) Cortex

Question 22.
The colour of medulla present in kidney is …………………….
A) Brown
B) Dark brown
C) Red
D) Pale colour
Answer:
D) Pale colour

Question 23.
Way of passage of urine in human body
A) Kidneys
B) Ureters
C) Urethra
D) Urinary bladder
Answer:
C) Urethra

Question 24.
a – Right kidney is slightly lower in position
b – Right abdominal region of body is occupied by liver ‘
A) Both a & b are true, b explains a
B) Both a & b are true, b doesn’t explain a
C) a is true, b is false
D) a is false, b is true
Answer:
B) Both a & b are true, b doesn’t explain a

Question 25.
The oxygenated bipod enters into kidneys through …………………… (i) and ……………….. (ii) collects the deoxygenated blood.
A) (i) – Renal vein (ii) – Renal artery
B) (i) – Renal artery (ii) – Renal vein
C) (i) – Hilus (ii) – Renal vein
D) (i) – Renal artery (ii) – Hilus
Answer:
B) (i) – Renal artery (ii) – Renal vein

Question 26.
The position of the right kidney is lower than the left kidney due to the :
A) Presence of adrenal gland above it
B) Presence of pancreas above it
C) Presence of spinal bone above it
D) Presence of liver above it
Answer:
D) Presence of liver above it

Question 27.
Consider the following.
a) Urethra is 4 cm long in females
b) Urethra is 20 cm in.male
A) Both a & b are true
B) a is true, b is false
C) a is false, b is true
D) Both a & b are false
Answer:
A) Both a & b are true

Question 28.
Identify correct sentence given below:
A) Right kidney – slightly lower than left kidney
B) Right kidney – slightly higher than left kidney
C) Right kidney – left kidney are same height
D) Right kidney is nearer to vertebral column than left kidney.
Answer:
A) Right kidney – slightly lower than left kidney

Question 29.
The order of excretory organs:
AP 10th Class Biology Bits Chapter 4 Excretion 4
A) i – Blood vessel, ii – Kidney, iii – Ureter, iv – Urinary bladder
B) i – Kidney, ii – Blood vessel, iii – Urinary bladder, iv – Ureter
C) i – Blood vessel, ii – Kidney, iii – Urinary bladder, iv – Ureter
D) i – Urinary bladder, ii – Ureter, iii – Kidney, iv – Blood vessel
Answer:
A) i – Blood vessel, ii – Kidney, iii – Ureter, iv – Urinary bladder

Question 30.
Ramesh has forgot some parts in the following picture. Label a and b. ’
AP 10th Class Biology Bits Chapter 4 Excretion 5
A) a – pituitary gland, b. – ureter
B) a – adrenal gland, b – ureter
C) a – ureter, b – urethra
D) a – kidney, b – ureter
Answer:
B) a – adrenal gland, b – ureter

Question 31.
Most nephrons have short loops and are located almost entirely in the………………….
A) renal cortex
B) ureters
C) renal medulla
D) renal pelvis
Answer:
A) renal cortex

Question 32.
Diabetes insipidus is due to the deficiency of this hormone.
A) Insulin
B) Adrenaline
C) Vasopressin
D) Parathormone
Answer:
C) Vasopressin

Question 33.
What is the function of part labelled with ‘3’?
AP 10th Class Biology Bits Chapter 4 Excretion 6
A) Ultrafiltration
B) Collection of urine
C) Collection of blood
D) Storage of urine
Answer:
B) Collection of urine

Question 34.
Choose the correct pathway of urine
A) Kidneys → ureters→ urinary bladder → urethra
B) Ureters → urinary bladder → urethra → kidneys
C) Urinary bladder → urethra → kidneys → ureters
D) Urethra → kidneys → ureters → urinary bladder
Answer:
A) Kidneys → ureters→ urinary bladder → urethra

Question 35.
Network structure of blood capillaries in nephron forms ………………….
A) Hilus
B) Glomerulus
C) Malpighian body
D) Renal tubule
Answer:
B) Glomerulus

Concept – 3 : Mechanism of Urine Formation

Question 36.
The structural and functional unit of kidney is called
A) Neuron
B) Nephron
c) Nephridia
D) Flame cell
Answer:
B) Nephron

Question 37.
Urine can be retained in bladder till it get filled up to the maximum capacity of
A) 700 – 800 ml
B) 300 – 400 ml
C) 600 – 650 ml
D) 800 – 1000 ml
Answer:
A) 700 – 800 ml

Question 38.
Which of the following hormone has direct impact on urine formation?
A) Adrenalin
B) Vasopressin
C) Creatinine
D) Oestrogen
Answer:
B) Vasopressin

Question 39.
Amber (Yellow) colour to the urine is due to
A) urochrome
B) bilirubin
c) biliverdin
D) chlorides
Answer:
A) urochrome

Question 40.
Urine formation mechanism has the following 4 steps. Arrange them systematically.
i) Tubular reabsorption
ii) Glomerular filtration
iii) Concentration of urine
iv) Tubular secretion
A) (i), (ii), (iii), (iv)
B) (iv), (iii), (ii), (i)
C) (iii), (ii), (i), (iv)
D) (ii), (i), (iv), (iii)
Answer:
D) (ii), (i), (iv), (iii)

Question 41.
The part where the maintenance of p^H occurs ……………………
A) Renal tubule
B) Distal convoluted tubule
C) Collecting tube
D) Pelvis.
Answer:
B) Distal convoluted tubule

Question 42.
The concentration of urine is ……………….. than that of blood concentration
A) equal
B) more
C) less
D) more or less
Answer:
B) more

Question 43.
Excessive, repeated, dilute urination is called …………………
A) Diabetes
B) Diabetes insipidus
C) Diabetes mellitus
D) Hepatitis
Answer:
B) Diabetes insipidus

Question 44.
The first kidney transplantation was performed by
A) Henle
B) Hufnagel
C) Brugamen
D) Parwin
Answer:
B) Hufnagel

Question 45.
Due to the concentration of urine in urinary bladder urination occurs. This is called
A) Micturition
B) Faecal excretion
C) Diabetes
D) Circulation
Answer:
A) Micturition

Question 46.
One of the following is a correct composition of urine
AP 10th Class Biology Bits Chapter 4 Excretion 7
Answer:
C) 96% 2.5% 1.5%

Question 47.
The failure of kidney is called
A) ESRD
B) MSRD
C) ASRD
D) KSRD
Answer:
A) ESRD

Question 48.
Place of filtration of blood in nephron
A) Bowman’s capsule
B) Henle’s loop
C) Proximal convoluted tubule
D) Distal convoluted tubule
Answer:
A) Bowman’s capsule

Question 49.
a) The urine gets concentrated by reabsorption of water
b) Vasopressin is secreted only when concentrated urine is to be passed out
A) Both a and b are true
B) a is false b is true
C) a is true b is false
D) Both a and b are false
Answer:
A) Both a and b are true

Question 50.
Expanded form of ESRD is
A) Erythrocyte Sedimentation Rate of Deficiency
B) End Stage Renal Disease
C) Emergency Service and Rural Development
D) Endocrine Supplement Renal Disease.
Answer:
B) End Stage Renal Disease

Question 51.
The maintenance of equilibrium of concentration of liquids is
A) Homosapien
B) Stability
C) Homeostasis
D) Control
Answer:
C) Homeostasis

Question 52.
Millions of microscopic thin tubular units in each kidney are …………………
A) Neurons
B) Plasma lemma
C) Medulla
D) Nephrons
Answer:
D) Nephrons

Question 53.
The cup like structure in Nephron is ………………..
A) Glomerulus
B) Bowman’s capsule
C) Malpighian body
D) Loop of Henle
Answer:
B) Bowman’s capsule

Question 54.
Which of the following is correct regarding the filtration of wastes in blood vessels diameter?
A) Diameter of efferent arteriole is less than that of afferent arteriole.
B) Diameter of efferent arteriole is more than that of afferent arteriole.
C) Blood vessels have the pores and conduct the filtration.
D) Blood vessels excrete the wastes by contraction.
Answer:
A) Diameter of efferent arteriole is less than that of afferent arteriole.

Question 55.
The squamous epithelial cells in Bowman’s capsule are ………………………
A) Thrombocytes
B) Podocytes
C) Erythrocytes
D) Nephrons
Answer:
B) Podocytes

Question 56.
Distal convoluted tubule opens into ………………….
A) Proximal convoluted tubule
B) Loop of Henle
C) Collecting tube
D) Afferent arteriole
Answer:
C) Collecting tube

Question 57.
In nephron, on which of the following the reabsorption of water depends ?
A) quantity of water
B) materials which have to be excreted
C) quantity of blood
D) A and B
Answer:
D) A and B

Question 58.
Fill the flow chart of urine formation.
AP 10th Class Biology Bits Chapter 4 Excretion 8
A) Tubular secretion
C) Tubular excretion
B) Tubular filtration
D) Urine formation
Answer:
A) Tubular secretion

Question 59.
Choose the correct order from the following:
A) Renal tubule → Distal convoluted tubule → Collecting tube → Pelvis → Ureter
B) Ureter → Pelvis → Collecting tube → Renal tubule → Distal convoluted tubule
C) Distal convoluted tubule → Collecting tube → Pelvis → Ureter → Renal tubule
D) Pelvis → Ureter → Collecting tube → Renal tubule → Distal convoluted tubule
Answer:
A) Renal tubule → Distal convoluted tubule → Collecting tube → Pelvis → Ureter

Question 60.
The most poisonous material among nitrogenous waste compounds of human body is …………………
A) ammonia
B) urea
G) uric acid
D) bile pigments
Answer:
A) ammonia

Question 61.
The acidic urine becomes alkaline on standing due to the decomposition of urea to …………………..
A) Sodium
B) Deamines
C) Uric acid
D) Ammonia
Answer:
D) Ammonia

Question 62.
a) Podocytes are formed of epithelial tissue
b) Podocytes possess pores to filter the substances
A) Both a& b are true
B) b is true, a is false
C) a is true, b is false
D) Both a & b are false
Answer:
A) Both a& b are true

Question 63.
a) In the beginning urine is acidic later it converts into alkaline,
b) Ammonia is formed by breaking down of urea
A) Both a & b are true, b explains a
B) Both a & b are false, b doesn’t explain a
C) a is true b is false
D) a is false b is true
Answer:
A) Both a & b are true, b explains a

Question 64.
A woman is in uremia stage. Therefore ………………….
i) Legs and hands are swollen
ii) Water and wastes are accumulated
iii) Weakness and tiredness
iv) No harm to kidneys
A) All are correct
B) Only (iv) is correct
C) Only (iv) is wrong
D) None of the above
Answer:
C) Only (iv) is wrong

Question 65.
Observe the a,b statements:
a) The urine formed by glomerular filtration is primary urine.
b) It is equal to the blood in chemical composition.
A) Both ‘a’ and ‘b’ are true
B) a true, b false
C) a false, b true
D) a,b both are false
Answer:
A) Both ‘a’ and ‘b’ are true

Question 66.
ESRD disease is related to this organ.
A) Lungs
B) Heart
C) Kidneys
D) Liver
Answer:
C) Kidneys

Question 67.
What will happen if sufficient amount of vasopressin is not secreted in the body?
A) Excretes concentrated urine
B) Excretes dilute urine
C) Excretes proteins along with urine
D) Excretes red coloured urine
Answer:
B) Excretes dilute urine

Question 68.
A person’s limbs are swollen and he is suffering from weakness and fatigue. This organ may be damaged in him.
A) Kidney
B) Brain
C) Heart
D) Liver
Answer:
A) Kidney

Question 69.
Every day Vikki’s brother in a given time passes urine on bed. What is the reason?
A) Less production of Adrenalin
B) More production of Vasopressin
C) No production of Adrenalin
D) Vasopressin not at all released
Answer:
D) Vasopressin not at all released

Question 70.
Which of the following is true concerning kidney transplants?
A) There is a shortage of people needing kidneys.
B) There is nearly a 100% success rate using artificial kidneys for transplant.
C) Removed of the donor kidney is very risky, often fatal.
D) There is a shortage of kidneys for transplant.
Answer:
D) There is a shortage of kidneys for transplant.

Question 71.
Urge for micturition occurs when urinary bladder is filled with …………….. milli litres of urine .
A) 300 – 800
B) 300 – 400
C) 700 – 800
D) 1600 -1800
Answer:
B) 300 – 400

Question 72.
The substance which is not reabsorbed into the blood capillaries surrounding the tubule nephron is mainly :
A) glucose
B) amino acid
C) urea
D) water
Answer:
C) urea

Question 73.
The below given part belongs to human excretory system .What is the process that occurs here ?
AP 10th Class Biology Bits Chapter 4 Excretion 9
A) Reabsorption of water
B) Excretion
C) Urine purification
D) Ultrafiltration
Answer:
D) Ultrafiltration

Question 74.
If you keep an egg in the salt water , the egg will be contracted. The reason is
A) exo osmosis
B) endosmosis
C) Pressure
D) Diffusion
Answer:
A) exo osmosis

Question 75.
A ,B ,C, D are given below .Arrange the mechanism of urine formation in the correct order .
1) Glomerular filtration
2) Tubular reabsorption
3) Tubular secretion
4) Concentration of urine
A) A →B → C → D
B) B → A → C → D
C) A → C → B → D
D) A → B → D → C
Answer:
C) A → C → B → D

Question 76.
Major component present in urine in human beings is ………………………
A) urea
B) creatinine
C) sodium
D) water
Answer:
D) water

Question 77.
This hormone is secreted when urine is with high concentration.
A) Insulin
B) Vasopressin
C) Thyroxin
D) Adrenaline
Answer:
B) Vasopressin

Question 78.
Blood filtration unit in Nephron is…………………….
A) Loop of Henle
B) First convoluted tubule
C) Bowman’s capsule
D) Second convoluted tubule
Answer:
C) Bowman’s capsule

Concept – 4 : Dialysis

Question 79.
In dialysis, anticoagulant used to blood, taken from main artery in order to prevent the clotting of blood is …………………..
A) Heparin
B) Anti coagulase
C) Thrombin
D) Prothrombin
Answer:
A) Heparin

Question 80.
What liquid material does doctor use in dialysis ?
A) Plasma
B) Dialysing fluid
C) Janus green
D) Paraffin liquid
Answer:
B) Dialysing fluid

Question 81.
In Visakhapatnam, the gang of kidney thieves were arrested. They have performed so many kidney transplan-tation operations. How kidney transplantation is performed ?
i) Kidney should be taken from close relative only.
ii) There is modern clinical procedures through which any kind of kidney can be transplanted.
iii) The damaged kidney of the patient only be cured.
iv) Arrange the machine in the place of damaged kidney.
Find the incorrect ones from above.
A) (i) only
B) (i) and (ii) only
C) (i), (ii) and (iii) only
D) (iv) only
Answer:
D) (iv) only

Question 82.
If a patient is put on dialysis, he is most likely to be suffering from a severe ailment of the :
A) circulatory system
B) respiratory system
C) excretory system
D) digestive system
Answer:
C) excretory system

Question 83.
Each dialysis session lasts for …………………
A) 2 – 3 hours
B) 3 – 4 hours
C) 3 – 6 hours
D) 5 hours
Answer:
C) 3 – 6 hours

Concept – 5 : Other Pathways of Excretion

Question 84.
Which of the following is not an
excretory organ ?
A) Lungs
B) Kidney
C) Liver
D) Pancreas
Answer:
D) Pancreas

Question 85.
Which of the following pigment is not formed in the liver ?
A) Bilirubin
B) Biliverdin
C) Urochrome
D) Haemoglobin
Answer:
D) Haemoglobin

Question 86.
The element which is not reabsorbed in the large intestine
A) Calcium
B) Magnesium
C) Silicon
D) Iron
Answer:
C) Silicon

Question 87.
What is not really concerned with excretion given below ?
A) To send CO₂ out
B) Defecation
C) Sweat
D) to remove urea
Answer:
A) To send CO₂ out

Question 88.
Whom do you consult to know about composition of urine ?
A) Department of bio-chemistry
B) Department of physiology
C) Members of bio-technology
D) Department of pathology
Answer:
A) Department of bio-chemistry

Question 89.
The excretory material other than urine eliminated from the body
A) Tears
B) Blood
C) Sweat
D) Hormones
Answer:
C) Sweat

Question 90.
In haemodialysis process, blood is taken out from the body through :
A) Venacava
B) Artery
C) Vein
D) Both B and C
Answer:
B) Artery

Question 91.
Match the following:

i. Skin	a. Bile pigments
ii. Liver	b. Sebum
iii. Colon	c. Salts of calcium, magnesium

A) c, a, b
B) a, b, c
C) b, a, c
D) b, c, a
Answer:
A) c, a, b

Concept – 6 : Excretion in Other Organisms

Question 92.
The excretory organ in cockroach
A) malpighian tubules
B) raphids
C) ureters
D) nephridia
Answer:
A) malpighian tubules

Question 93.
Flame cells are excretory organs in
A) earth worm
B) house fly
C) fishes
D) platyhelminthes
Answer:
D) platyhelminthes

Question 94.
Special excretory organs are absent in
A) birds
B) amoeba
C) sponges
D) A and B
Answer:
B) amoeba

Question 95.
Choose the correct pair:
A) Protozoa – Flame cells
B) Annelida – Kidneys
C) Echinodermata – Nephridia
D) Arthropoda – Green glands
Answer:
D) Arthropoda – Green glands

Question 96.
Match the following,

List – A	List – B
1. Flame cells	a) Nematoda
2. Water vascular	b) Arthropoda system
3. Green glands	c) Starfish

A) 1 – c, 2 – b, 3 – a
B) 1 – b, 2 – c, 3 – a
C) 1 – a, 2 – b, 3 – c
D) 1 – a, 2 – c, 3 – b
Answer:
D) 1 – a, 2 – c, 3 – b

Question 97.
According to the studies of evolution the excretory structures were first seen in one of the following.
A) Protozoa
B) Platyhelminthes
C) Nemetyhelminthes
D) Both B & C
Answer:
B) Platyhelminthes

Question 98.
Specific excretory organs are absent in unicellular organisms belong to the phylum:
A) Porifera
B) Annelida
C) Protozoa
D) Echinodermata
Answer:
C) Protozoa

Question 99.
“No specific excretory organs are present in unicellular organisms”. Hence, the main excretion takes place by:
A) simple diffusion through body surface
B) through contractile vacuoles
C) osmosis through body surface
D) all the above
Answer:
D) all the above

Question 100.
Which of the following is not a nitrogenous waste ?
A) Ammonia
B) Uric acid
C) Urea
D) CO²
Answer:
D) CO²

Question 101.
Contractile vacuoles are the excretory organs in
A) Amoeba
B) Hydra
C) Paramoecium
D) A & C
Answer:
D) A & C

Question 102.
The mode of excretion through contractile vacuoles
A) Diffusion
B) Filtration
C) Osmoregulation
D) Crystallisation
Answer:
C) Osmoregulation

Question 103.
Excretory organs in mollusca
A) Green glands
B) Malpighian tubules
C) Metanephridia
D) Kidneys
Answer:
C) Metanephridia

Question 104.
Incorrect pair in the following.
A) Platyhelminthes – Flame cells
B) Arthropoda – Malpighian tubules
C) Mollusca – Metanephridia
D) Protozoan – Water vascular system
Answer:
D) Protozoan – Water vascular system

Question 105.
Identify the animal in which excretory orgah is absent.
A) Bird
B) Amoeba
C) Sponge
D) B and C
Answer:
D) B and C

Question 106.
Renette cells are excretory structures in
A) Mollusca
B) Protozoa
C) Nematoda
D) Echinodermata
Answer:
C) Nematoda

Question 107.
In reptiles this organ is involved in excretory system.
A) Flame cells
B) Kidneys
C) Green glands
D) Malpighian tubules
Answer:
B) Kidneys

Question 108.
Malpighian tubules are excretory organs in ………………..
A) Earth worm
B) Flatworm
C) Housefly
D) Hen
Answer:
C) Housefly

Concept – 7 : Excretion and Release of Substances in Plants

Question 109.
Why plants shed their leaves ?
A) To bloom
B) Unable to cope up with heat
C) Get rid off the wastes
D) To grow and develop
Answer:
C) Get rid off the wastes

Question 110.
Raphides are present in ………………. of plant.
A) bark
B) leaf
C) root
D) fruits
Answer:
D) fruits

Question 111.
The method through which excessive water is released out along with transpiration is ……………………
A) Photosynthesis
B) Guttation
C) Formation of bark
D) Respiration
Answer:
B) Guttation

Question 112.
The alkaloid which stimulates the nervous system is
A) Nimbin
B) Caffeine
C) Pyrethroid
D) Quinine
Answer:
B) Caffeine

Question 113.
Which of the following is catabolic activity ?
A) Photosynthesis
B) Respiration
C) Excretion
D) Metabolic activities
Answer:
B) Respiration

Question 114.
Datura has ………………
A) Nimbin
B) Pyrethroids
C) Scopalamine
D) Quinine
Answer:
C) Scopalamine

Question 115.
The alkaloids that save from snakebite.
A) Nimbin
B) Cinchona
C) Reserpine
D) Caffeine
Answer:
C) Reserpine

Question 116.
The bark of ……………… is used to cure malaria.
A) Tobacco
B) Cinchona
C) Neem
D) Datura
Answer:
B) Cinchona

Question 117.
The speciality of gymnosperms is …………………
A) Tannins
B) Resins
C) Gums
D) Alkaloids
Answer:
B) Resins

Question 118.
The white milky fluid secreted from the plants
A) Latex
B) Tannins
C) Gums
D) Resins
Answer:
A) Latex

Question 119.
……………….. is extracted from Hevea braziliensis
A) Latex
B) Rubber
C) Alkaloid
D) Gums
Answer:
B) Rubber

Question 120.
Bio-diesel is extracted from …….. (or) I am a plant. My seeds are used for production of bio-fuel. Who am I ?
A) Neem
B) Jatropa
C) Hevea
D) Papaver
Answer:
B) Jatropa

Question 121.
Which of the following is a sedative drug?
A) Morphine
B) Cocaine
C) Scopolamine
D) Caffeine
Answer:
C) Scopolamine

Question 122.
Cassia and Acacia will be used in ………………
A) Varnishes
B) Tanning of leathers
C) Manufacture of Rubber
D) Manufacture of bio-diesel
Answer:
B) Tanning of leathers

Question 123.
The scientist who stated that roots also secrete.
A) Bunsen
B) Brugaman
C) Haberland
D) J.C. Bose
Answer:
B) Brugaman

Question 124.
The pollen grains of the following plant causes asthma in man:
A) Parathenium
B) Neem
C) Heavea
D) Jatropa
Answer:
A) Parathenium

Question 125.
Excretory structures appeared for the first time in flatworms belong to the phylum:
A) Annelida
B) Arthropoda
C) Nematoda
D) Platyhelminthes
Answer:
D) Platyhelminthes

Question 126.
The deep brown coloured carbon compounds used in tanning of leather are:
A) Resins
B) Gums
C) Tannins
D) Latex
Answer:
C) Tannins

Question 127.
The alkaloid which is used for malaria treatment.
A) Nimbin
B) Caffeine
C) Quinine
D) Nicotine
Answer:
C) Quinine

Question 128.
Alkaloid used in snake bite.
A) Nimbin
B) Scopolamine
C) Reserpine
D) Quinine
Answer:
C) Reserpine

Question 129.
Alkaloid used in the treatment of malaria is the product of this plant.
A) Nicotiana tobaccum
B) Azadirachta indica
C) Cinchona officinalis
D) Rauwolfia serpentina
Answer:
C) Cinchona officinalis

Question 130.
Weeds and some wild plants are not eaten by insects, pests and animals because
A) Their leaves are very small
B) These are not attractive
C) The plants may contain toxic chemicals and unpleasant to taste
D) All the above
Answer:
C) The plants may contain toxic chemicals and unpleasant to taste

Question 131.
The resin obtained from Pinus is used in
A) Varnish
B) Bread
C) Rubber
D) Medicines
Answer:
A) Varnish

Concept – 8 : Excretion Vs Secretion

Question 132.
Tears are ………………
A) Involuntary fluid
B) Secretion
C) Excretion
D) Water
Answer:
C) Excretion

Question 133.
Hormone is a ……………….
A) Reagent
B) Secretion
C) Excretion
D) Chemical substance
Answer:
B) Secretion

Question 134.
The alkaloid which have Ayurvedic values is ……………….
A) Nimbin
B) Cocaine
C) Pyrethroids
D) Caffeine
Answer:
A) Nimbin

Question 135.
Tilak said, we can tan the leather with resins. What do you say ?
A) Yes, we can
B) No, we can’t
C) We can do it with little change
D) Unable to say
Answer:
B) No, we can’t

Question 136.
Find the odd one out.
A) Carbohydrate
B) Protein
C) Nimbin
D) Fat
Answer:
C) Nimbin

Question 137.
Consider the following
a) Tannins, Latex, Gums are primary metabolites
b) Proteins and Carbohydrates are secondary metabolites
A) Both a & b are true
B) a is true, b is false
C) a is false, b is true
D) Both a & b are false
Answer:
D) Both a & b are false

Question 138.
Eating leaves of neem gives bitter taste. Reason
A) Nicotin
B) Cinchona
C) Pyrethroid
D) Nimbin
Answer:
D) Nimbin

Question 139.
Composition of urine has chemicals ………………..
A) Urea
B) Bilirubin
C) Water
D) All
Answer:
D) All

Question 140.
AP 10th Class Biology Bits Chapter 4 Excretion 10
What is the secondary metabolite produced from the plant given in the picture ?
A) Tannin
B) Gum
C) Alkaloid
D) Resin
Answer:
D) Resin

Question 141.
a) Synthesis of waste products in plants – is very slow.
b) Plants do not have specific excretory organs
A) Both a & b are true
B) a is true, b is false
C) B is true, a false
D) both a & b are false
Answer:
A) Both a & b are true

Question 142.
a) It is not good for health while sleeping under the tree during night
b) There is a chance of falling of branches
A) Both a & b are true, b explains a
B) Both a & b are true, b doesn’t explain a
C) a is true, b is false
D) a is false, b is true
Answer:
C) a is true, b is false

AP 10th Class Biology Bits Chapter 3 Transportation with Answers

August 6, 2021

Practice the AP 10th Class Biology Bits with Answers Chapter 3 Transportation on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 10th Class Biology Bits 3rd Lesson Transportation with Answers

Concept – 1 : Heart Beat – Pulse

Question 1.
Study the following pairs.
a) Stethoscope – Rene Laennec
b) Blood pressure – Thermometer
c) Amoeba – Brownian movement
Identify the mis-matched pair.
A) a
B) b
C) c
D) None
Answer:
B) b

Question 2.
In newborn babies the heart beat rate is …………………. /min.
A) 100 – 150
B) 90 – 120
C) 80 – 120
D) 70 – 100
Answer:
A) 100 – 150

Question 3.
Pulse rate equals to ………………….
A) Heart beat
B) Muscules movement
C) Blood pressure
D) Rate of respiration
Answer:
A) Heart beat

Question 4.
What have you determined about the rate of heart beat while detecting the rate of pulse by keeping finger at wrist region?
A) Rate of heart beat and pulse are equal
B) Rate of heart beat and pulse are not equal
C) Rate of heart beat increases, rate of pulse decreases
D) Rate of heart beat is less than pulse
Answer:
A) Rate of heart beat and pulse are equal

Question 5.
What part of your wrist is pressed by a doctor to examine the pulse rate?
A) Vein
B) Artery
C) Capillary
D) Lymph vessel
Answer:
B) Artery

Question 6.
In order to understand the topic transport and circulatory system the instrument that is prepared with paper as paper tube
A) Stethoscope
B) Sphygmomanometer
C) Hygrometer
D) A, B & C
Answer:
A) Stethoscope

Question 7.
Stethoscope is invented by
A) William Harvey
B) Marcello Malpighi
C) Rene Laennec
D) Fabrici
Answer:
C) Rene Laennec

Concept – 2 : Structure of Heart

Question 8.
The chambers present in the human heart
A) 2 auricles, 1 ventricle
B) 1 ventricle, 1 auricle
C) 2 auricles, 3 ventricles
D) 2 auricles, 2 ventricles
Answer:
D) 2 auricles, 2 ventricles

Question 9.
The part which is formed by auriculo – ventricular septum
A) Right and left atria
B) Right and left ventricles
C) Atria and ventricles
D) Right atria and left ventricles
Answer:
C) Atria and ventricles

Question 10.
The layer which separates the ventricles into left and right
A) Inter atrial septum
B) Inter ventricular septum
C) Auriculo ventricular septum
D) Ventriculo auricular septum
Answer:
B) Inter ventricular septum

Question 11.
Which of the following is formed due to the inter atrial septum ?
A) Right left auricles
B) Right left ventricles
G) Right, auricle, right ventricle
D) Right auricle, left ventricle
Answer:
A) Right left auricles

Question 12.
The layer that encloses lungs are called plura . Likewise the layer that covers heart is called 1) ( )
A) Hyper cardium
B) Pericardium
C) Epicardium
D) Upper cardium
Answer:
B) Pericardium

Question 13.
Identify the special one from the following.
a) Superior venacava
b) Inferior venacava
c) Aorta
d) Coronary artery
A) only a
B) b and c
C) d only
D) a and d
Answer:
C) d only

Question 14.
Find the correct sentence out from the following.
a) The right atrium and ventricles are large
b) The left atrium t is larger one and ventricles are small
c) The left atrium and ventricles are small
d) The right atrium is large and the ventricles are small
A) a
B) a and c
C) b and d
D) b only
Answer:
B) a and c

Question 15.
Oxygenated blood is supplied by …………….. (i)………………. to body parts, deoxygenated blood is carried by ………………(ii)………………. to lungs.
A) i – aorta; ii – caval vein
B) i – aorta; ii – pulmonary vein
C) i – aorta; ii – pulmonary artery
D) i – aorta; ii – post caval vein
Answer:
C) i – aorta; ii – pulmonary artery

Question 16.
The vessels which stick to the walls of heart are …………………..
A) Arteries
B) Veins
C) Coronary vessels
D) Pericardium
Answer:
C) Coronary vessels

Question 17.
The blood vessels that supply blood to the heart muscles …………………………..
A) Aorta
B) Pulmonary artery
C) Coronary arteries
D) Vagus nerves
Answer:
C) Coronary arteries

Question 18.
Which is the largest artery ?
A) Caval vein
B) Aorta
C) Coronary artery
D) Pulmonary artery
Answer:
B) Aorta

Question 19.
The vein present on the right side of the heart
A) Post caval vein
B) Pre caval vein
C) Pulmonary vein
D) Aorta
Answer:
C) Pulmonary vein

Question 20.
The vein which collects blood from the posterior parts of the body.
A) Superior vena cava
B) Inferior vena cava
C) Pulmonary vein
D) Coronary artery
Answer:
B) Inferior vena cava

Question 21.
The vein which collects blood from the anterior parts of the body.
A) Superior vena cava
B) Pulmonary vein
C) Inferior vena cava
D) Coronary artery
Answer:
A) Superior vena cava

Question 22.
Read the following sentences.
1. Blood vessels carrying blood from body parts are veins
2. Arteries are not as strong as veins
3. Pulmonary artery carries blood from heart to lungs
4. Superior vena cava collects deoxy-genated blood from upper parts of the body like head and neck.
What are correct sentences ?
A) 1, 2
B) 1, 3, 4
C) 2, 3
D) 1, 3
Answer:
B) 1, 3, 4

Question 23.
What is the shape of the heart that you found through the activity with the help of specimen of goat’s heart ?
A) Apple
B) Pear fruit
C) Orange
D) Cashew fruit
Answer:
B) Pear fruit

Question 24.
The valve present between left auricle and left ventricle is
A) mitral valve
B) tricuspid valve
C) auricular valve
D) ventricular valve
Answer:
A) mitral valve

Question 25.
The layer which protects the heart from shocks …………………
A) Pericardium
B) Meninges
C) Muscular layer
D) Arteries, veins
Answer:
A) Pericardium

Question 26.
The valve present between right auricle and right ventricle is
A) tricuspid valve
B) bicuspid valve
C) mitral valve
D) atrial valve
Answer:
A) tricuspid valve

Question 27.
Identify the wrong statement about human heart.
i) It beats, which keeps us alive.
ii) It is located in between the lungs in chest cavity (thoracic cavity)
iii) The size of it is approximately the size of one’s fist.
iv) It is made up of non-striated muscles.
A) i, iii and iv
B) only iii
C) only iv
D) ii, iii and iv
Answer:
C) only iv

Question 28.
Which one of the following represents correct labelling of the given picture ?
AP 10th Class Biology Bits Chapter 3 Transportation 1
A) 1 – Aorta, 2 – Right auricle, 3 – Inferior venacava, 4 – Coronary artery
B) 1 – Aorta, 2 – Left auricle, 3 – Superior venacava, 4 – Coronary artery
C) 1 – Aorta, 2 – Right auricle, 3 – Superior venacava, 4 – Coronary vein
D) 1 – Aorta, 2 – Left auricle, 3 – Superior venacava, 4 – Coronary artery
Answer:
A) 1 – Aorta, 2 – Right auricle, 3 – Inferior venacava, 4 – Coronary artery

Concept – 3 : The Blood Vessels and Circulation .

Question 29.
Which structures of the heart control the flow of the blood ?
A) Arteries
B) Veins
C) Valves
D) Capillaries
Answer:
C) Valves

Question 30.
The scientist who studied veins in the legs …………………
A) Marcello Malphgi
B) Girolamo Fabrici
C) William Harvey
D) Bacan
Answer:
B) Girolamo Fabrici

Question 31.
The scientist who studied the wings of bats for capillaries is ………………
A) William Harvey
B) Girolamo Fabrici
C) Marcello Malpighi
D) Henry Cavendish
Answer:
C) Marcello Malpighi

Question 32.
Which of the following doesn’t have valves ?
A) Veins
B) Lymph tubes
C) Arteries
D) Blood cells
Answer:
C) Arteries

Question 33.
Identify the mismatched pair:
A) Girolamo Fabrici – Veins in lungs
B) William Harvey – Valves
C) Marcello Malpighi – Capillaries
D) None of the above
Answer:
A) Girolamo Fabrici – Veins in lungs

Question 34.
Aorta which supplies oxygenated blood to the body parts arise from ………………
A) right atrium
B) left ventricle
C) right ventricle
D) left atrium
Answer:
B) left ventricle

Question 35.
The blood in veins always flows towards ………………..
A) Body parts
B) Heart
C) Lungs
D) Tissues
Answer:
B) Heart

Question 36.
Pulmonary artery which supplies deoxygeriatecTblood to the lungs arises from ……………………
A) right ventricle
B) left atrium
C) right atrium
D) left ventricle
Answer:
A) right ventricle

Question 37.
Match the following.

1. Girolamo Fabrici	a) Valves in the heart
2. Marcello Malpighi	b) Blood capillaries
3. William Harvey	c) Valves in the veins

A) 1 – a, 2 – b, 3 – c
B) 1 – c, 2 – a, 3 – b
C) 1 – c, 2 – b, 3 – a
D) 1 – b, 2 – c, 3 – a
Answer:
C) 1 – c, 2 – b, 3 – a

Question 38.
a) Arteries supply blood to all the body parts
b) Walls of arteries are rigid
A) Both a & b are true, b explains a
B) Both a & b are false, b explains a
C) a is true, b is false
D) a is false, b is true
Answer:
A) Both a & b are true, b explains a

Question 39.
Find out the correct statements from a and b.
a) The way for flow of blood (Lumen) is small in arteries.
b) The way for flow of blood (Lumen) is large in veins.
A) Both a and b are true
B) a true, b false
C) a false, b true
D) Both a and b are false
Answer:
A) Both a and b are true

Question 40.
The given blood vessel carries blood from body parts to heart.
Name the blood vessel.
AP 10th Class Biology Bits Chapter 3 Transportation 2
A) Artery
B) Capillary
C) Vein
D) Muscular fibre
Answer:
C) Vein

Question 41.
The following diagram has thick wall and less lumen.
What blood vessel is it ?
AP 10th Class Biology Bits Chapter 3 Transportation 3
A) Capillary (T.S. of capillary)
B) Artery (T.S. of artery)
C) Vein (T.S. of vein)
D) Muscular vessel
Answer:
B) Artery (T.S. of artery)

Question 42.
Which of the following statements are true?
i) Arteries have thick walls
ii) Arteries carry blood from heart to body parts.
iii) Arteries have low blood pressure.
iv) Pulmonary artery carries oxygenated blood.
A) (i) and (iii)
B) (i) and (iv)
C) (ii) and (iv)
D) (i) and (ii)
Answer:
D) (i) and (ii)

Question 43.
In the T.S. of blood vessels, the thick muscle layer is seen in ……………………..
i) pulmonary artery
ii) pulmonary vein
iii) aorta
iv) vena cava
A) i, iii
B) ii, iv
C) i, ii
D) iii, iv
Answer:
A) i, iii

Concept – 4 : The Cardiac Cycle

Question 44.
What is the reason for heart beat ?
A) Closing of tricuspid and bicuspid valves
B) Closing of aorta and pulmonary valves
C) Blood flows rapidly through valves
D) Flow of blood in ventricles
Answer:
A) Closing of tricuspid and bicuspid valves

Question 45.
Correct sequence of different phases of human cardiac cycle.
1. Ventricle systole
2. Auricle systole
3. Auricle, Ventricle diastole
A) 3, 2,1
B) 1, 2, 3
C) 2,1, 3
D) 1, 3, 2
Answer:
C) 2,1, 3

Question 46.
The following picture indicates the double circulation. In pulmonary circulation which part mainly purifies the blood ?
AP 10th Class Biology Bits Chapter 3 Transportation 4
A) Lungs
B) Heart
C) Vena cava
D) Aerta
Answer:
A) Lungs

Question 47.
Which organ of the body does the term ‘Cardiac’ refer to ?
A) Heart
B) Vein
C) Lymph
D) Capillary
Answer:
A) Heart

Question 48.
Which side of the human heart is low in oxygen ?
A) Left ventricle
B) Right ventricle
C) Left atrium
D) Right atrium
Answer:
B) Right ventricle

Question 49.

List – 1	List – 2
1. Contraction of auricles	a) 0.11 – 0.14 sec
2. Contraction of ventricles	b) 0.8 sec
3. Cardiac cycle	c) 0.27 – 0.35 sec

A) 1 – a, 2 – b, 3 – c
B) 1 – a, 2 – c, 3 – b
C) 1 – c, 2 – a, 3 – b
D) 1 – b, 2 – a, 3 – c
Answer:
B) 1 – a, 2 – c, 3 – b

Question 50.
Blood → Right ventricle artery → Lungs
Lungs → Pulmonary vein → Left auricle → Left ventricle → Body parts
Which type of circulation is it indicating ?
A) Single circulation
B) Double circulation
C) Pulmonary circulation
D) Cardiac circulation
Answer:
B) Double circulation

Question 51.
a) Ventricles expand soon after filled with blood during heart beat
b) At the same time both atria come to normal stage
A) Both a and b are true
B) a is true, b is false
C) b is true, a is false
D) Both a and b are false
Answer:
C) b is true, a is false

Question 52.
The human heart starts beating around ………………. days of embryonic development.
A) 22
B) 21
C) 23
D) 24
Answer:
B) 21

Question 53.
The time needed for atrial contraction is :
A) 0.12 – 0.14 sec
B) 0.11 – 0.14 sec
C) 0.13 – 0.14 sec
D) 0.14 – 0.15 sec
Answer:
B) 0.11 – 0.14 sec

Question 54.
The time needed for ventricular contraction is :
A) 0.25 -0.35 sec
B) 0.29 – 0.35 sec
C) 0.27 – 0.35 sec
D) 0.30 – 0.36 sec
Answer:
C) 0.27 – 0.35 sec

Question 55.
The cardiac cycle contains
A) Auricular systole
B) Ventricular systole
C) Auriculo – ventricular diastole
D) All of these
Answer:
D) All of these

Question 56.
The heart beat of a new born child (3 – 6 months) is ………………….
A) 100 – 150
B) 90 – 120
C) 80 – 90
D) 70 – 80
Answer:
B) 90 – 120

Question 57.
Blue whale’s heart beat per minute …………………..
A) 7
B) 46
C) 1200
D) 76
Answer:
A) 7

Question 58.
In Coaltit bird, number of heart beats per minute is……………….
A) 450
B) 76
C) 1000
D) 1200
Answer:
D) 1200

Question 59.
The rate of heart beat in elephant
A) 76 times/min
B) 7 times/min
C) 700 times/min
D) 46 times/ min
Answer:
D) 46 times/ min

Question 60.
Find out wrong matching.
A) Blue Whale – heart beat rate is 7 times/ minute
B) Man – heart beat rate is 76 times/ minute
C) Coaltit Bird – heart beat rate is 130 times / minute
D) Elephant – heart beat rate is 46 times /minute
Answer:
C) Coaltit Bird – heart beat rate is 130 times / minute

Concept – 5 : Lymphatic System

Question 61.
Find the odd one out.
A) Edema
B) Capillaries
C) Oxygen debt
D) Lymph vessels
Answer:
C) Oxygen debt

Question 62.
The liquid portion’ of blood that enters the tissues is …………………
A) Plasma
B) Water
C) Tissue fluid
D) Sodium oxalate
Answer:
C) Tissue fluid

Question 63.
We will get this stage if we travel overnight in the bus
A) Joint pains
B) Lack of sleeping
C) Edema
D) Lymphma
Answer:
C) Edema

Question 64.
In latin “Lymph” means …………………
A) Blood
B) Water
C) Serum
D) Plasma
Answer:
B) Water

Question 65.
The vital link between blood and cell tissues is ………………….
A) Blood cells
B) Water
C) Lymph
D) Serum
Answer:
C) Lymph

Question 66.
The parallel system to venous system is ……………………..
A) Lymphatic system
B) Capillary system
C) Artery system
D) Circulatory system
Answer:
A) Lymphatic system

Question 67.
Edema is the swelling stage of………………………
A) hands
B) legs
C) neck
D) head
Answer:
B) legs

Concept – 6 : Evolution of the Transport (Circularoty) System

Question 68.
Read the below sentence. Identify in which part it is wrong. Explain with suitable word.
In unicellular organisms like Amoeba, transport of substances takes place by means of Brownian movements.
A) Paramoecium
B) Respiration
C) Cytostome
D) No wrong in above sentence
Answer:
D) No wrong in above sentence

Question 69.

List -1	List – 2
1. Gastro vascular cavity	a) Earthworm
2. Pseudocoelomate	b) Round worm
3. Eucoelomate	c) Jelly fish

A) 1 – a, 2 – b, 3 – c
B) 1 – a, 2 – c, 3 – b
C) 1 – c, 2 – b, 3 – a
D) 1 – b, 2 – a, 3 – c
Answer:
C) 1 – c, 2 – b, 3 – a

Question 70.
Find out the odd one based on circulatory system
A) Earthworm
B) Rabbit
C) Man
D) Cockroach
Answer:
D) Cockroach

Question 71.
Brownian movement, Pseudocoelom, Eucoelom, Trachea, Heart –
Find the correct order of animals according to the transport system mentioned above.
A) Cockroach, earth worm, human, amoeba, round worm
B) Round worm, cockroach, amoeba, human, earth worm
C) Amoeba, round worm, earth worm, cockroach, human
D) Human, earth worm, cockroach, round worm, amoeba
Answer:
C) Amoeba, round worm, earth worm, cockroach, human

Question 72.
Single circulation (Simple Circuit Heart) is found in …………………
A) Bat
B) Fish
C) Human
D) Gorilla
Answer:
B) Fish

Question 73.
The protozoa like sponges use……… for transportation.
A) fresh water
B) sea water
C) mud water
D) glucose water
Answer:
B) sea water

Question 74.
Sponges create their own water currents by beating of:
A) cilia
B) pseudopodia
C) flagella
D) tentacles
Answer:
C) flagella

Question 75.
Which of the following is a serious inherited blood disorder ?
A) Thalassemia
B) Colour blindness
C) Leukaemia
D) Anaemia
Answer:
A) Thalassemia

Question 76.
Gastro – vascular cavity is evolved in:
A) Cnidarians
B) Sponges
C) Annelids
D) Arthropods
Answer:
A) Cnidarians

Question 77.
Branched digestive system is found in:
A) Platyhelminthes
B) Nematyhelminthes
C) Cnidarians
D) Arthropods
Answer:
A) Platyhelminthes

Question 78.
AP 10th Class Biology Bits Chapter 3 Transportation 5
The above flow chart represents
A) Single circuit circulation
B) Double circuit circulation
C) Triple circuit circulation
D) Both A and C
Answer:
A) Single circuit circulation

Question 79.
The first Eucoelomate animals that have developed a pulsatile vessel are :
A) Arthropods
B) Annelids
C) Cephalopods
D) Echinoderms
Answer:
B) Annelids

Question 80.
In which of the following vertebrate group/groups, heart does not pump oxygenated blood’to different parts of the body ?
A) Pisces and Amphibians
B) Amphibians and Reptiles
C) Amphibians only
D) Pisces only
Answer:
D) Pisces only

Question 81.
The group of animals that exhibit open type of circulatory system is :
A) Protozoans
B) Annelids
C) Arthropods
D) Cephalopods
Answer:
C) Arthropods

Question 82.
Animal without red blood cells is ………………..
A) Frog
B) Crane
C) Snail
D) Earthworm
Answer:
C) Snail

Question 83.
These organisms utilize their water vascular system for their movement.
A) Annelida
B) Coelenterata
C) Echinodermata
D) Amphibia
Answer:
C) Echinodermata

Question 84.
Pseudocoelom is present in this phylum
A) Echinodermata
B) Mollusca
C) Annelida
D) Nemetoda
Answer:
C) Annelida

Concept – 7 : Blood Pressure

Question 85.
The strongest pressure during the time blood is forced out of the ventricles
A) Systolic pressure
B) Blood pressure
C) Diastolic pressure
D) Atmospheric pressure
Answer:
A) Systolic pressure

Question 86.
The reading of pressure is taken during the resting period as the ventricles refill with blood
A) Systolic pressure
B) Blood pressure
C) Diastolic pressure
D) Atmospheric
Answer:
C) Diastolic pressure

Question 87.
Which of the following shows hypertension ?
A) 120/80
B) 160/90
C) 80/160
D) 110/70
Answer:
B) 160/90

Question 88.
The blood pressure during walking and running is
A) normal
B) less than normal
C) more than normal
D) none of the above
Answer:
C) more than normal

Question 89.
What should we do to prevent high B.P.?
A) Regular phy sical excerise
B) Over eating
C) Yoga
D) A & C
Answer:
D) A & C

Question 90.
If you want to have healthy circulatory system, you should have following healthy organs.
A) Heart, kidneys
B) Heart, liver
C) Heart, lungs
D) A & C
Answer:
C) Heart, lungs

Question 91.
Heart is an important organ for circulation. For the proper functioning of heart every one
A) has to take well balanced diet
B) has to do exercise properly
C) develop smoking habit
D) both A and B
Answer:
D) both A and B

Question 92.
The systolic and diastolic pressures respectively are :
A) 120 and 80 mm of Hg
B) 80 and 120 mm of Hg
C) 120 and 120 mm of Hg
D) 80 and 80 mm of Hg
Answer:
A) 120 and 80 mm of Hg

Question 93.
It has been found that people living in at higher altitudes have many more red blood corpuscles in their blood than people living in plains. Which one of the following best accounts for their phenomenon ?
A) The cold climate stimulates the production of red blood corpuscles to keep the body warm.
B) People of high mountains breathe more quickly.
C) The low air pressure requires more red blood corpuscles to supply the body cells with oxygen.
D) The low air pressure in high mountains speeds up the blood circulation so that more red blood corpuscles are needed.
Answer:
C) The low air pressure requires more red blood corpuscles to supply the body cells with oxygen.

Question 94.
The instrument used to measure B.P is:
A) Manometer
B) Sphygmomanometer
C) Barometer
D) Potentiometer
Answer:
B) Sphygmomanometer

Concept – 8 : Coagulation of Blood

Question 95.
The cells which influence coagulation of blood are …………………
A) Red blood cells
B) Myocytes
C) Platelets
D) Leucocytes
Answer:
C) Platelets

Question 96.
Fibrinogen Fibrin. This equation indicates ………………..
A) blood changing
B) blood transfusion
C) releasing of enzymes
D) coagulation
Answer:
D) coagulation

Question 97.
Prothrombin Thrombin – This is a part of which reaction ?
A) Transportation of oxygen
B) CO₂ acceptance
C) Formation of lymph
D) Coagulation
Answer:
D) Coagulation

Question 98.
Which of the following is not related to coagulation ?
A) Thrombin
B) Fibrin
C) Haemoglobin
D) Platelets
Answer:
C) Haemoglobin

Question 99.
The genetic disease which stops the coagulation ………………
A) Haemolymph
B) Haemophilia
C) Thalassemia
D) Parkinson
Answer:
A) Haemolymph

Question 100.
The vitamin which helps in clotting of blood …………….
A) A
B) C
C) D
D) K
Answer:
D) K

Question 101.
Janani has married her maternal uncle. Is there any possiblility of getting Haemophilia?
A) Yes
B) Can’t say
C) Such situation doesn’t arise
D) To take care
Answer:
A) Yes

Question 102.
Find out who I am.
I am a vitamin. Blood coagulation does not take place in the absence of me. My chemical name is phylloquinone.
A) A
B) E
C) K
D) D
Answer:
C) K

Question 103.
AP 10th Class Biology Bits Chapter 3 Transportation 8
1 and 2 in the above given equation represent:
A) the enzymes
B) the hormones
C) 1 is an enzyme and 2 is a hormone
D) 1 is hormone and 2 is an enzyme
Answer:
A) the enzymes

Question 104.
The liquid portion after the formation of blood clot is called
A) Serum
B) Plasma
C) Lymph
D) Water
Answer:
A) Serum

Question 105.
Thrombokinase enzyme releases from ……………….
A) blood
B) red blood corpuscles
C) Serum
D) blood platelets
Answer:
D) blood platelets

Question 106.
Haemoglobin present in our red blood cells is a kind of
A) Carbohydrate
B) Fat
C) Protein
D) Enzyme
Answer:
C) Protein

Question 107.
Rama was injured while playing kabaddi. The time taken for clotting blood is
A) 1 – 3 minutes
B) 4 – 8 minutes
C) 10 minutes
D) 3 – 6 minutes
Answer:
D) 3 – 6 minutes

Question 108.
The yellow coloured fluid that is left out after blood clotting is ………………
A) Plasma
B) Lymph
C) Serum
D) Lipid
Answer:
C) Serum

Question 109.
Incorrect pair among the following
A) Protozoa – Water vascular system
B) Platyhelminthes – Flame cells
C) Arthropoda – Malphigian tubules
D) Mollusca – Metanephridia
Answer:
A) Protozoa – Water vascular system

Concept – 9 : Material Transport within the Plant

Question 110.
The cells in vascular bundle are ……………….
A) Xylem, Protein
B) Xylem, Epithelial
C) Phloem, Aphid
D) Xylem, Phloem
Answer:
D) Xylem, Phloem

Question 111.
The system which helps for transportation of water and nutrients in plants.
A) Xylem
B) Phloem
C) Vascular Bundle
D) Stomata
Answer:
C) Vascular Bundle

Question 112.
The part through which the plants absorb water is…………………..
A) Xylem
B) Phloem
C) Main Root
D) Root hairs
Answer:
D) Root hairs

Question 113.
The mechanism behind the absorption of water through root hairs in plants is
A) Osmosis
B) Transpiration
C) Diffusion
D) Filteration
Answer:
A) Osmosis

Question 114.
The concentration of cell sap in the root hairs is ………………. than that of soil water
concentration.
A) more
B) equal
C) less
D) can’t say
Answer:
A) more

Question 115.
The …………….. helps in the movement of water upwards in plants.
A) root stream
B) root pressure
C) transpiration stream
D) capillary action
Answer:
B) root pressure

Question 116.
The releasing of water in the form of vapour from leaves is called
A) Osmosis
B) Diffusion
C) Transpiration
D) Boiling
Answer:
C) Transpiration

Question 117.
If transpiration doesn’t take place in plants, this process will not occur.
A) Photosynthesis
B) Respiration
C) Water transportation
D) Reproduction
Answer:
C) Water transportation

Question 118.
The cells of stem which help in transpiration………………..
A) Stomata
B) Xylem
C) Vascular Bundle
D) Lenticels
Answer:
A) Stomata

Question 119.
Which of the following has the concern with rainfall ?
A) Osmosis
B) Root pressure
C) Transpiration
D) Wind erosion
Answer:
C) Transpiration

Question 120.
a) Root hairs influence the movement of water upto the terminal part of plant.
b) Root pressure and osmosis help in upward movement of water.
A) Both a and b are true
B) a is true, bis false
C) b is true, a is false
D) Both a and b are false
Answer:
A) Both a and b are true

Question 121.
The tissue responsible for the transport of minerals and water in plants.
A) Xylem
B) Phloem
C) Stomata
D) Guard cells
Answer:
C) Stomata

Question 122.
a) There is a relation between transpiration and rain fall
b) Rain falls due to entry of water vapour into atmosphere
A) Both a & b are true, b explains a
B) a is true, a explains b
C) Both a & b are false b explains a
D) Both a & b are false. Both don’t explain each.
Answer:
A) Both a & b are true, b explains a

Question 123.
Consider the following.
a) Transpiration plays a key role in upward movement of water
b) Root pressure helps in movements of water
A) both a & b are true
B) a is true, b is false
C) a is false, b is true
D) both a & b are false
Answer:
A) both a & b are true

Question 124.
Drinking cool drink with the help of straw resembles one of the processes.
A) Transportation of nutrients in xylem
B) Transportation of water in phloem
C) Transportation of water in xylem
D) Transportation of vitamins in vascular tissues
Answer:
C) Transportation of water in xylem

Question 125.
Rainfall is high in these regions.
A) Forest region
B) Forest surroundings
C) Desert
D) Cities
Answer:
A) Forest region

Question 126.
The phenomenon known by the project work through the polythene cover wrapped up plant, which secretes water droplets on the polythene cover layer.
A) Evaporation
B) Transpiration
C) Condensation
D) Solidification
Answer:
B) Transpiration

Question 127.
This experiment is conducted to prove …………………
AP 10th Class Biology Bits Chapter 3 Transportation 9
A) Root pressure
B) Photosynthesis
C) Respiration
D) Transpiration
Answer:
D) Transpiration

Question 128.
To get more rain we need plantations. So many reasons explain this need. But one of the biological phenomena becomes major reason for rainfall:
A) Photosynthesis
B) Transpiration
C) Respiration
D) Excretion
Answer:
B) Transpiration

Question 129.
Thread like structures that are observed on the roots:
A) Cilia
B) Flagella
C) Root hairs
D) Pseudopodia
Answer:
C) Root hairs

Question 130.
The indicators M₁ & M₂ that are marked on the glass tube in the experiment conducted on root pressure explain
A) Root pressure
B) Water Viscosity
C) Percentage of soil
D) Level of water
Answer:
D) Level of water

Question 131.
The material collected for observing roots hairs:
A) Bajra
B) Mustard
C) Mango
D) A & B
Answer:
D) A & B

Question 132.
Which of the following is connected with transport of water in plants ?
A) Phloem
B) Epidermis
C) Xylem
D) Meristematic tissue
Answer:
C) Xylem

Question 133.
The following diagram is releated to this experiment.
AP 10th Class Biology Bits Chapter 3 Transportation 10
A) Osmosis
B) Root pressure
C) Photosynthesis
D) Respiration
Answer:
B) Root pressure

Concept – 10 : Transport of Manufactured Food

Question 134.
An aphid pierces its proboscis into the ……………… to get plant juices.
A) Xylem
B) Phloem
C) Cambium
D) Vascular bundles
Answer:
B) Phloem

Question 135.
Stems of some plants are sticky to touch. Reason ………………..
A) Api millifera
B) Aphids
C) Honey glands
D) Gum
Answer:
B) Aphids

Question 136.
Oak tree can transpire as much as ……………… liters of water per day.
A) 700
B) 800
C) 900
D) 1000
Answer:
C) 900

Question 137.
Grey squirrels do great damage to ………………….. crop.
A) casuarina
B) castor
C) paddy
D) potato
Answer:
A) casuarina

Question 138.
In Eucalyptus, water reaches up to ………………… meters.
A) 160
B) 170
C) 180
D) 190
Answer:
C) 180

Question 139.
A complete ring of bark was removed from a tree as shown in the figure ‘A’. The tree continued to live and after about one month it appeared as ‘B’. It is due to :
AP 10th Class Biology Bits Chapter 3 Transportation 11
A) removal of bark with xylem
B) removal of bark with phloem
C) removal of bark with xylem and phloem
D) none
Answer:
B) removal of bark with phloem

Question 140.
In plant cells :
A) the cytoplasm, lining of the cell wall acts as semipermeable membrane.
B) the cytoplasm present in the cell acts as semipermeable membrane.
C) the cell wall acts as semipermeable membrane.
D) cell sap acts as 4 semipermeable membrane.
Answer:
D) cell sap acts as 4 semipermeable membrane.

Question 141
………………. of phloem supply ………………..
A) Xylem, fats
B) Sieve tubes, sugars
C) Seive cells, sugars
D) Seive plants, xylem
Answer:
B) Sieve tubes, sugars

Question 142.
Proboscis is ………………..
A) part of bolus
B) part of aphid
C) parts of plant
D) break down of glucose
Answer:
B) part of aphid

Question 143.
Seive tubes are present in ………………..
A) Xylem
B) Proboscis
C) Phloem
D) Mesophyll cells
Answer:
C) Phloem

Question 144.
Consider the following sentences.
a) Aphids cannot absorb all the sugars from stem .
b) Reminants of sugar is secreted outside of the stem
A) Both a & b are true
B) a is true, b is false
C) a is false b is true
D) Both a & b are false
Answer:
A) Both a & b are true

Question 145.
Observe the following statements a and b.
a) Mammals scratch the bark of trees to get the food stored in the phloem.
b) Even though the tree remains alive.
A) Both a and b are true
B) a true, b false
C) a false, b true
D) a,b both are false
Answer:
A) Both a and b are true

Question 146.
The predators which will be grown by the foresters to prevent the rabbits
A) Owls
B) Foxes
C) Badgers
D) All of these
Answer:
D) All of these

Question 147.
Correct statements among the following:
i. Xylem transports minerals and water.
ii. Phloem distributes nutrients.
iii. Xylem has upward movement.
iv.Phloem has also upward movement.
A) i and ii
B) i, ii and iii
C) ii ,iii and iv
D) All of these
Answer:
C) ii ,iii and iv