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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

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

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

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

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

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

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

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

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

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

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
AP 9th Class Biology Bits Chapter 4 Movement of Materials Across the Cell Membrane 5
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.

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

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

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

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

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

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:
AP 9th Class Biology Bits Chapter 4 Movement of Materials Across the Cell Membrane 10

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

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

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