Class 7 Science MCQ Chapter 11 Transportation in Animals and Plants Solutions in English Medium, Class 7 Science Multiple Choice Question Answer in English to each chapter is provided in the list so that you can easily browse throughout different chapters Class 7 Science MCQ Chapter 11 Transportation in Animals and Plants Notes and select need one.
Class 7 Science MCQ Chapter 11 Transportation in Animals and Plants
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Transportation in Animals and Plants
Chapter – 11
| MCQ |
1. The component of the vascular system which transports water in plants is:
(a) Xylem.
(b) Phloem.
(c) Leaves.
(d) None of the above.
Ans: (a) Xylem.
2. What is the main function of the circulatory system in most animals?
(a) To distribute food and oxygen to different cells.
(b) To produce energy.
(c) To digest food.
(d) To absorb nutrients.
Ans: (a) To distribute food and oxygen to different cells.
3. What prevents the backflow of blood inside the heart during contraction?
(a) Thick muscular walls of ventricles.
(b) Valves.
(c) Thin walls of atria.
(d) All of the above.
Ans: (b) Valves.
4. What is the composition of blood?
(a) RBC, WBC, platelets, and water.
(b) Plasma, RBC, WBC, and platelets.
(c) Plasma, RBC, nutrients, and enzymes.
(d) Plasma, oxygen, carbon dioxide, and RBC.
Ans: (b) Plasma, RBC, WBC, and platelets.
5. Which vein brings clean blood from the lungs into the heart?
(a) Renal vein.
(b) Pulmonary vein.
(c) Vena cava.
(d) Hepatic vein.
Ans: (b) Pulmonary vein.
6. What is the role of arteries in the circulatory system?
(a) To carry blood from all parts of the body to the heart.
(b) To carry blood from the heart to all parts of the body.
(c) To filter waste from the blood.
(d) To regulate body temperature.
Ans: (b) To carry blood from the heart to all parts of the body.
7. Which blood vessel does not carry any carbon dioxide?
(a) Pulmonary artery.
(b) Vena cava.
(c) Hepatic vein.
(d) Pulmonary vein.
Ans: (d) Pulmonary vein.
8. What is the heart rate of an adult human?
(a) 50-60 times per minute.
(b) 60-70 times per minute.
(c) 70-80 times per minute.
(d) 80-90 times per minute.
Ans: (c) 70-80 times per minute.
9. The phloem tissue in plants is responsible for the transport of:
(a) water.
(b) water and minerals.
(c) glucose.
(d) all of the above.
Ans: (c) Glucose.
10. Which of the following organs are part of the human excretory system?
(a) Lungs, liver, and pancreas.
(b) Kidneys, ureters, urinary bladder, and urethra.
(c) Heart, lungs, and brain.
(d) Stomach, intestines, and liver.
Ans: (b) Kidneys, ureters, urinary bladder, and urethra.
11. The functions of blood are:
(a) It transports nutrients, respiratory gases, waste products, hormones etc.
(b) It maintains body temperature.
(c) It provides protection to the body by forming antibodies.
(d) All of the above.
Ans: (d) All of the above.
12. The fluid part of the blood is called:
(a) Plasma.
(b) RBC.
(c) WBC.
(d) Blood platelets.
Ans: (a) Plasma.
13. State two vital functions of kidneys:
(i) Removal of toxic waste such as urea and uric acid from the blood.
(ii) It regulates the water balance of the blood.
(c) Both (a) and (b).
(d) None of the above.
Ans: (c) Both (a) and (b).
14. The cells in the blood which fight against the germs entering the body are:
(a) RBC.
(b) WBC.
(c) Platelets.
(d) Haemoglobin.
Ans: (b) WBC.
15. The arteries have thick elastic walls because:
(a) Rapid blood flows at high pressure.
(b) Slow blood flows at low pressure.
(c) Rapid blood flows at low pressure.
(d) Slow blood flows at high pressure.
Ans: (a) Rapid blood flows at high pressure.
16. The clot is formed because of the presence of another type of cells in the blood, called:
(a) Haemoglobin.
(b) Platelets.
(c) Arteries.
(d) Veins.
Ans: (b) Platelets.
17. Veins allow blood to flow only:
(a) Towards the heart.
(b) Away from the heart.
(c) Towards lungs.
(d) Away from the lungs.
Ans: (a) Towards the heart.
18. The blood which fights against germs that may enter our body is:
(a) White blood cells.
(b) Red blood cells.
(c) Pulse.
(d) All of the above.
Ans: (a) White blood cells.
19. The process of removal of waste materials from the body is called:
(a) Digestion.
(b) Excretion.
(c) Respiration.
(d) Inhalation.
Ans: (b) Excretion.
20. Blood is a liquid, which has cells of various kinds suspended in it. The fluid part of the blood is called:
(a) Blood.
(b) Pulse.
(c) Plasma.
(d) Cells.
Ans: (c) Plasma.
