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
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
A) 100 – 150

Question 3.
Pulse rate equals to ………………….
A) Heart beat
B) Muscules movement
C) Blood pressure
D) Rate of respiration
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
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
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
A) Stethoscope

Question 7.
Stethoscope is invented by
A) William Harvey
B) Marcello Malpighi
C) Rene Laennec
D) Fabrici
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
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
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
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
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
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
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
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
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
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
C) Coronary arteries

Question 18.
Which is the largest artery ?
A) Caval vein
B) Aorta
C) Coronary artery
D) Pulmonary artery
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
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
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
A) Superior vena cava

Question 22.
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
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
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
A) mitral valve

Question 25.
The layer which protects the heart from shocks …………………
A) Pericardium
B) Meninges
C) Muscular layer
D) Arteries, veins
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
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
C) only iv

Question 28.
Which one of the following represents correct labelling of the given picture ?

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
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
C) Valves

Question 30.
The scientist who studied veins in the legs …………………
A) Marcello Malphgi
B) Girolamo Fabrici
C) William Harvey
D) Bacan
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
C) Marcello Malpighi

Question 32.
Which of the following doesn’t have valves ?
A) Veins
B) Lymph tubes
C) Arteries
D) Blood cells
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
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
B) left ventricle

Question 35.
The blood in veins always flows towards ………………..
A) Body parts
B) Heart
C) Lungs
D) Tissues
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
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
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
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
A) Both a and b are true

Question 40.
The given blood vessel carries blood from body parts to heart.
Name the blood vessel.

A) Artery
B) Capillary
C) Vein
D) Muscular fibre
C) Vein

Question 41.
The following diagram has thick wall and less lumen.
What blood vessel is it ?

A) Capillary (T.S. of capillary)
B) Artery (T.S. of artery)
C) Vein (T.S. of vein)
D) Muscular vessel
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)
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
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
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
C) 2,1, 3

Question 46.
The following picture indicates the double circulation. In pulmonary circulation which part mainly purifies the blood ?

A) Lungs
B) Heart
C) Vena cava
D) Aerta
A) Lungs

Question 47.
Which organ of the body does the term ‘Cardiac’ refer to ?
A) Heart
B) Vein
C) Lymph
D) Capillary
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
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
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
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
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
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
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
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
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
B) 90 – 120

Question 57.
Blue whale’s heart beat per minute …………………..
A) 7
B) 46
C) 1200
D) 76
A) 7

Question 58.
In Coaltit bird, number of heart beats per minute is……………….
A) 450
B) 76
C) 1000
D) 1200
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
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
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
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
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
C) Edema

Question 64.
In latin “Lymph” means …………………
A) Blood
B) Water
C) Serum
D) Plasma
B) Water

Question 65.
The vital link between blood and cell tissues is ………………….
A) Blood cells
B) Water
C) Lymph
D) Serum
C) Lymph

Question 66.
The parallel system to venous system is ……………………..
A) Lymphatic system
B) Capillary system
C) Artery system
D) Circulatory system
A) Lymphatic system

Question 67.
Edema is the swelling stage of………………………
A) hands
B) legs
C) neck
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
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
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
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
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
B) Fish

Question 73.
The protozoa like sponges use……… for transportation.
A) fresh water
B) sea water
C) mud water
D) glucose water
B) sea water

Question 74.
Sponges create their own water currents by beating of:
A) cilia
B) pseudopodia
C) flagella
D) tentacles
C) flagella

Question 75.
Which of the following is a serious inherited blood disorder ?
A) Thalassemia
B) Colour blindness
C) Leukaemia
D) Anaemia
A) Thalassemia

Question 76.
Gastro – vascular cavity is evolved in:
A) Cnidarians
B) Sponges
C) Annelids
D) Arthropods
A) Cnidarians

Question 77.
Branched digestive system is found in:
A) Platyhelminthes
B) Nematyhelminthes
C) Cnidarians
D) Arthropods
A) Platyhelminthes

Question 78.

The above flow chart represents
A) Single circuit circulation
B) Double circuit circulation
C) Triple circuit circulation
D) Both A and C
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
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
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
C) Arthropods

Question 82.
Animal without red blood cells is ………………..
A) Frog
B) Crane
C) Snail
D) Earthworm
C) Snail

Question 83.
These organisms utilize their water vascular system for their movement.
A) Annelida
B) Coelenterata
C) Echinodermata
D) Amphibia
C) Echinodermata

Question 84.
Pseudocoelom is present in this phylum
A) Echinodermata
B) Mollusca
C) Annelida
D) Nemetoda
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
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
C) Diastolic pressure

Question 87.
Which of the following shows hypertension ?
A) 120/80
B) 160/90
C) 80/160
D) 110/70
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
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
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
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
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
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.
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
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
C) Platelets

Question 96.
Fibrinogen Fibrin. This equation indicates ………………..
A) blood changing
B) blood transfusion
C) releasing of enzymes
D) coagulation
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
D) Coagulation

Question 98.
Which of the following is not related to coagulation ?
A) Thrombin
B) Fibrin
C) Haemoglobin
D) Platelets
C) Haemoglobin

Question 99.
The genetic disease which stops the coagulation ………………
A) Haemolymph
B) Haemophilia
C) Thalassemia
D) Parkinson
A) Haemolymph

Question 100.
The vitamin which helps in clotting of blood …………….
A) A
B) C
C) D
D) K
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
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
C) K

Question 103.

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
A) the enzymes

Question 104.
The liquid portion after the formation of blood clot is called
A) Serum
B) Plasma
C) Lymph
D) Water
A) Serum

Question 105.
Thrombokinase enzyme releases from ……………….
A) blood
B) red blood corpuscles
C) Serum
D) blood platelets
D) blood platelets

Question 106.
Haemoglobin present in our red blood cells is a kind of
A) Carbohydrate
B) Fat
C) Protein
D) Enzyme
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
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
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
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
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
C) Vascular Bundle

Question 112.
The part through which the plants absorb water is…………………..
A) Xylem
B) Phloem
C) Main Root
D) Root hairs
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
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
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
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
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
C) Water transportation

Question 118.
The cells of stem which help in transpiration………………..
A) Stomata
B) Xylem
C) Vascular Bundle
D) Lenticels
A) Stomata

Question 119.
Which of the following has the concern with rainfall ?
A) Osmosis
B) Root pressure
C) Transpiration
D) Wind erosion
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
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
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.
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
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
C) Transportation of water in xylem

Question 125.
Rainfall is high in these regions.
A) Forest region
B) Forest surroundings
C) Desert
D) Cities
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
B) Transpiration

Question 127.
This experiment is conducted to prove …………………

A) Root pressure
B) Photosynthesis
C) Respiration
D) Transpiration
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
B) Transpiration

Question 129.
Thread like structures that are observed on the roots:
A) Cilia
B) Flagella
C) Root hairs
D) Pseudopodia
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
D) Level of water

Question 131.
The material collected for observing roots hairs:
A) Bajra
B) Mustard
C) Mango
D) A & B
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
C) Xylem

Question 133.
The following diagram is releated to this experiment.

A) Osmosis
B) Root pressure
C) Photosynthesis
D) Respiration
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
B) Phloem

Question 135.
Stems of some plants are sticky to touch. Reason ………………..
A) Api millifera
B) Aphids
C) Honey glands
D) Gum
B) Aphids

Question 136.
Oak tree can transpire as much as ……………… liters of water per day.
A) 700
B) 800
C) 900
D) 1000
C) 900

Question 137.
Grey squirrels do great damage to ………………….. crop.
A) casuarina
B) castor
D) potato
A) casuarina

Question 138.
In Eucalyptus, water reaches up to ………………… meters.
A) 160
B) 170
C) 180
D) 190
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 :

A) removal of bark with xylem
B) removal of bark with phloem
C) removal of bark with xylem and phloem
D) none
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.
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
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
B) part of aphid

Question 143.
Seive tubes are present in ………………..
A) Xylem
B) Proboscis
C) Phloem
D) Mesophyll cells
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
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
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
D) All of these
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