MCQ Questions for Class 7 Science: Ch 11 Transportation in Animals and Plants

MCQ Questions for Class 7 Science: Ch 11 Transportation in Animals and Plants

1. Function of heart is
(a) Pumping of blood
(b) Removal of nitrogenous wastes
(c) Purification of blood
(d) All of these
► (a) Pumping of blood

2. Which blood group is called as universal donor?
(a) O
(b) A
(c) B
(d) AB
► (a) O

3. In plants which of the following is used for absorption of water?
(a) Xylem
(b) phloem
(c) stomata
(d) root hair
► (d) root hair

4. An adult human being normally passes about _____________ of urine in 24 hours.
(a) 0.5 to 0.85 L
(b) 2 to 5 L
(c) 2 to 2.5 L
(d) 1 to 1.8 L
► (d) 1 to 1.8 L

5. Select the type of cells, present in blood, whose main function is to fight against diseases by destroying harmful bacteria and other foreign material.
(a) RBC                           
(b) WBC
(c) Platelets          
(d) None of these
► (b) WBC

6. Which of the following mechanisms is not used by human beings for excretion of waste materials from their bodies?
(a) Exhalation                  
(b) Perspiration
(c) Defecation                  
(d) Transfusion
► (d) Transfusion

7. Which one of the following transport oxygen to different parts of the body?
(a) WBC
(b) Platelets
(c) RBC
(d) All of them
► (c) RBC

8. Erythrocytes is the another name of
(a) WBC
(b) Plasma
(c) RBC
(d) Platelets
► (c) RBC

9. The transportation of water takes place through a large spaced potato cavity filled with sugar solution placed in a dish containing small amount of water?
(a) Xylem
(b) Phloem
(c) through movement of one cell to another
(d) none of these
► (c) through movement of one cell to another

10. The vessels that transport water and minerals are called
(a) Stomata
(b) Vacuoles
(c) Phloem
(d) Xylem
► (d) Xylem

11. Blood cells that protect us from infection are called
(a) White blood cells
(b) Erythrocytes
(c) Thrombocytes
(d) Red blood cells
► (a) White blood cells

12. Which of the following is responsible for the red colour of red blood cells?
(a) Blood             
(b) Haemoglobin
(c) Platelets          
(d) None of these
► (b) Haemoglobin

13. The blood vessel which carries blood from lungs to heart is called
(a) Pulmonary artery        
(b) Coronary artery
(c) Renal artery                
(d) Pulmonary vein
► (d) Pulmonary vein

14. Heart rate increases during
(a) Bathing and eating
(b) Sleep and eating
(c) Exercise and fever
(d) Rest and indigestion
► (c) Exercise and fever

15. The process by which the oxygenated blood moves from left auride to left ventricle and then through aorta to all parts of the body is known as
(a) Extracellular circulation
(b) Intracellular circulation
(c) Systemic circulation
(d) Pulmonary circulation
► (d) Pulmonary circulation

16. The process that regulate the body’s salt and water concentration is called
(a) Osmoregulation
(b) Sweating
(c) Egestion
(d) Ingestion
► (a) Osmoregulation

17. The pulmonary arteries carry
(a) pure blood
(b) impure blood
(c) blood to kidney
(d) blood from the kidney
► (b) impure blood

18. Which chamber of heart receives oxygenated blood from pulmonary circulation?
(a) Left atrium
(b) Right ventricle
(c) Left ventricle
(d) Right atrium
► (a) Left atrium

19. One of our body organs is used to filter waste products of the blood.
(a) Heart
(b) Lungs
(c) Kidney
(d) Stomach
► (c) Kidney           

20. Which of the following plays the major role in clotting of blood?
(a) RBC
(b) WBC
(c) Platelets
(d) None of these
► (c) Platelets           

21. The urine from kidneys passes to urinary bladder through
(a) Ureter
(b) Urinary tubules
(c) Urethra
(d) Fallopian tube
► (a) Ureter

22. The pulse rate of a resting person is usually
(a) 50 to 60 beats per minute
(b) 72 to 80 beats per minute
(c) 81 to 90 beats per minute
(d) 30 to 40 beats per minute
► (b) 72 to 80 beats per minute

23. The aroma of food comes from the kitchen because of-
(a) Osmosis                      
(b) Diffusion
(c) Convection                 
(d) Fragmentation
► (b) Diffusion

24. The part of blood which does not have a nucleus.
(a) RBC              
(b) WBC
(c) Platelets          
(d) Plasma
► (a) RBC
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