Class 7 Science Chapter 7 MCQ Transportation in Animals and Plants
MCQ on Transportation in Animals and Plants Class 7
I. Multiple Choice Questions (1 Mark)
Select and write the most appropriate option out of the four options given
Question 1.
Haemoglobin is present in the
A) white blood cells
B) red blood cells
C) plasma
D) platelets.
Answer:
B) red blood cells
Question 2.
The pulse rate of a person at rest is between
A) 62 to 72 beats per minute
B) 72 to 80 beats per minute
C) 82 to 90 beats per minute
D) 92 to 100 beats per minute
Answer:
B) 72 to 80 beats per minute
Question 3.
Animals which do not posses any circulatory system are
A) whales and octopus
B) frogs and fishes
C) sponges and Hydra
D) whales and frogs
Answer:
C) sponges and Hydra
Question 4.
Human heart consists of
A) 2 atria and 2 ventricles
B) 3 atria and 1 ventricle
C) 2 atria and 1 ventricle
D) 2 atria and 3 ventricles
Answer:
A) 2 atria and 2 ventricles
Question 5.
Pulmonary artery carries deoxygenated blood to
A) lungs from the heart
B) the heart from lungs
C) other organs of the body from the heart
D) lungs to other organs of the body
Answer:
A) lungs from the heart
Question 6.
Transportation of blood in humans takes place through
A) excretory system
B) digestive system
C) circulatory system
D) respiratory system
Answer:
C) circulatory system
Question 7.
……………………. form(s) the fluid part of the blood.
A) Haemoglobin
B) White blood cells
C) Platelets
D) Plasma
Answer:
D) Plasma
Question 8.
Blood transports ……………………. in our body.
A) waste
B) oxygen
C) digested food
D) all of these
Answer:
D) all of these
Question 9.
Device used to count the number of heartbeats is called …………………….
A) microscope
B) stethoscope
C) barometer
D) anemometer
Answer:
B) stethoscope
Question 10.
Oxygen-rich blood is present in ………….. and ………… of the heart.
A) left atrium, left ventricle
B) right atrium, right ventricle
C) right atrilim, left atrium
D) right ventricle, left ventricle
Answer:
B) right atrium, right ventricle
Question 11.
In human excretory system, kidneys are connected to the urinary bladder through…………………….
A) capillaries
B) ureters
C) arteries
D) urethra
Answer:
B) ureters
Question 12.
The major excretory product in humans is…………………….
A) ammonia
B) urea
C) uric acid
D) water
Answer:
B) urea
Question 13.
Blood containing waste products is filtered in the kidneys by…………………….
A) nephrons
B) ureters
C) urethra
D) arteries
Answer:
A) nephrons
Question 14.
95% of human urine consists of…………………….
A) urea
B) water
C) salts
D) uric acid
Answer:
B) water
Question 15.
Excretory product of fish is…………………….
A) ammonia
B) urea
C) uric acid
D) nitric acid
Answer:
A) ammonia
Question 16.
Which of the following part of a plant transports food to its different parts ?
A) Xylem
B) Root
C) Phloem
D) Leaf
Answer:
C) Phloem
Question 17.
Water reaches great heights in the trees due to suction pull caused by …………………….
A) root hairs
B) transpiration
C) photosynthesis
D) vascular tissues
Answer:
B) transpiration
Question 18.
In order to increase water absorption by the roots, a plant should be kept …………………….
A) under sunlight
B) in the shade
C) under a tubelight
D) in a dark room
Answer:
C) under a tubelight
Question 19.
Select the incorrect statement(s) regarding veins.
i) Carries oxygen-rich blood from the heart to all parts of the body.
if) Valves are absent.
iii) Have thin walls.
A) Only (i)
B) (i) and (iii)
C) (i) and (ii)
D) (ii) and (iii)
Answer:
C) (i) and (ii)
Question 20.
Thinnest blood vessels are…………………….
A) veins
B) capillaries
C) pulmonary arteries
D) pulmonary veins
Answer:
B) capillaries
Question 21.
Blood pressure is the pressure exerted by the circulating blood on the walls of
A) veins
B) capillaries
C) Sweat gland
D) heart muscles.
Answer:
C) Sweat gland
Question 22.
Which of the following is not an organ of excretion in human beings?
A) Skin
B) Kidney
C) arteries
D) Nose
Answer:
D) Nose
Question 23.
Select the correct statements regarding the functions of blood.
i) Transports food from small intestine to all other parts of the body.
ii) Transports urine to the kidney.
iii) Transports oxygen from lungs to tissues.
iv) Transports carbon-dioxide from cells to lungs.
A) (i) and (ii)
B) (iv) and (iii)
C) (i), (iii) and (iv)
D) (i), (ii), (iii) and (iv)
Answer:
D) (i), (ii), (iii) and (iv)
Question 24.
Select the incorrect statement(s).
i) Plasma is the fluid part of the blood.
ii) Like humans, sponges also posses kidneys for the process of excretion.
iii) Water is absorbed by the root hairs of plants by the process of diffusion.
iv) Our skin posses sweat glands.
v) Capillaries are present inside tissues of our body.
A) Only (ii)
B) Only (v)
C) Only (iii)
D) (ii) and (iii)
Answer:
D) (ii) and (iii)
Question 25.
Which of the following statements are correct about fig A?
i) The blood in X is rich in oxygen and is going to the lungs.
ii) The blood in X is rich in carbon dioxide and is going to the body parts.
iii) The blood in Y is rich in carbon dioxide and is coming from the heart.
iv) The blood in Z is rich in oxygen and is coming from the lungs.
A) (i) and (ii)
B) (i) and (iv)
C) (ii) and (iii)
D) (iii) and (iv)
Answer:
D) (iii) and (iv)
Question 26.
Select the correct option for labels P,Q and R in the given figure.
Answer:
(B)
Question 27.
Select the correct order of flow of blood inside our body.
Answer:
(A)
Question 28.
Select the incorrect statement(s).
i) Sponges do not posses any circulatory system.
if) Fish and snakes excrete uric acid as excretory product.
iii) Sweat contains water and salts.
iv) Sweating helps in maintaining the body temperature.
v) Urea is filtered in the blood by vili.
A) Only (iii)
B) Only (ii)
C) (ii) and (iii)
D) (ii) and (v)
Answer:
D) (ii) and (v)
II. Fill in the blanks
1. carries oxygen-rich blood from the lungs to the heart.
Answer: pulmonary vein
2. The heart is located in the of our body.
Answer: chest cavity
3. The throbbing movement felt on touching our wrist is called__________
Answer: pulse
4. Inside the tissues, arteries divide to form
Answer: capillaries
5. The rhythmic contraction and relaxation of the muscles of heart constitute a__________
Answer: heart beat
6. The two lower chambers of the heart are called__________
Answer: ventricles
7. carry oxygen-rich blood from the heart to all parts of our body.
Answer: Arteries
8. Patients with damaged kidney can filter their blood periodically by the process of__________
Answer: dialysis
9. An adult human being passes about litre(s) of urine per day.
Answer: 1-1.8
10. The process of removal of wastes produced in the cells of living organisms is called__________
Answer: excretion
11. Human sweat contains and__________
Answer: water, salts
12. A healthy adult human has an average of litres of blood in its body.
Answer: 4-5
13. The process of transportation of food prepared by the leaves to all parts of the plant is called__________
Answer: translocation
14. When haemoglobin combines with oxygen, it forms a compound called__________
Answer: exyhaemaglobin
15. Each heartbeat generates one in the arteries.
Answer: pulse
16. The xylem and phloem in a plant make up a tissue called __________
Answer: vascular tissue
17. Platelets are also known as __________
Answer: Thrombocytes
18. Blood pressure is measured with the help of __________
Answer: sphygmomanometer
19. Kidneys remove waste from our body in the form of __________
Answer: urine
20. Tiny filters present in the kidneys are called __________
Answer: nephrons
21. Plants get rid of excess water by __________
Answer: transpiration
III. True Or False
1. The main excretory product in snakes is ammonia.[ ]
Answer: False
2. Human urine consists of 25% urea.[ ]
Answer: True
3. Sweating helps to cool our body.[ ]
Answer: True
4. Blood reaching our kidneys contains only harmful substances which has to be removed from our body.[ ]
Answer: False
5. The percentage of water in human urine is 25%.[ ]
Answer: False
6. In human beings, urine is stored in the urethra.[ ]
Answer: False
7. White patches formed on our cloths during summer is due to the salts present in our sweat.[ ]
Answer: True
8. Wastes in our body are dissolved in water and removed as urine.
Answer: False
9. A large part of water absorbed by the plants is lost in the form of vapour. [ ]
Answer: True
10. The root hair decreases the surface area of roots for the absorption of water. [ ]
Answer: False
11. Phloem forms a continuous network of channels that connects roots to the leaves through the stems and branches. [ ]
Answer: False
12. Transpiration helps in maintaining the temperature in plants.
Answer: True
13. All the water absorbed by the plant is not utilised for photosynthesis.
Answer: True
14. Water can move from one cell to another inside a plant.
Answer: True
15. A tissue is a group of organs that perform specialised function in an organism.[ ]
Answer: False
16. White blood cells are smaller in size than red blood cells and can move on their own.[ ]
Answer: False
17. Auricles have comparatively thicker walls than ventricles
Answer: False
18. Water is abserbed by the roots from the soil by a process called osmosis. [ ]
Answer: False
19. Pulse is the throbbing movement felt at our wrist which is caused due to expansion of veins.[ ]
Answer:
20. Ventricles are the two upper chambers of the heart with thick muscular walls. [ ]
Answer: False
21. Transpiration of water from leaves creates a suction pull.[ ]
Answer: False
22. Amoeba does not posses excretory organs.[ ]
Answer: False
IV. Matchings
Column-I — Column – II
A) Stomata — i) Absorb water from soil
B) Urethra — ii) Carries deoxygenated blood
C) Uric acid — iii) Filters blood in the kidneys
D) Urinary bladder — iv) Transpiration.
E) Urea — v) Duct through which urine passes out
F) Pulmonary artery — vi) Joins to form veins
G) Nephron — vii) Waste product of lizard
H) Root hair — viii) Carries oxygen-rich blood
I) Pulmonary vein — ix) Collects and stores urine
J) Capillaries — x) Waste product of human
Answer:
Column-I — Column – II
A) Stomata — iv) Transpiration.
B) Urethra — v) Duct through which urine passes out
C) Uric acid — vii) Waste product of lizard
D) Urinary bladder — ix) Collects and stores urine
E) Urea — x) Waste product of human
F) Pulmonary artery — viii) Carries oxygen-rich blood
G) Nephron — iii) Filters blood in the kidneys
H) Root hair — i) Absorb water from soil
I) Pulmonary vein — ii) Carries deoxygenated blood
J) Capillaries — vi) Joins to form veins