Transport – Online MCQs Test – Biology 9th

1. The movement of organic materials (food) takes place through:

2. Root is highly branched and each branch is heavily covered by:

3. What regulates the flow of water through the xylem?

4. The loss of water from mesophyll cells make them:

5. They play important part in clotting of blood.

6. They control the opening and closing of stomata.

7. Phloem transport of sucrose can be described as going from “source to sink” which of the following would not normally function as a sink?

8. They are the pores usually found in the leaf epidermis.

9. This type of circulatory system allows blood to flow inside the closed tubular blood vessels and never comes out in direct contact with tissues.

10. In man, closed type circulatory system is found, which consists of:

11. These are present in blood for clotting of blood.

12. Water and mineral salts enter the plant through:

13. The wall of these vessels become strong by the deposition of chemical substance called lignin.

14. They protect the body by killing germs that enter the body.

15. Transpiration mainly takes place through special pores guarded by specialized guard cells called:

16. Transport of various substances within the body of an animal is called:

17. The deoxygenated blood from all over the body except lungs received in:

18. Each root hair is a fine tubular outgrowth of an/a:

19. Average life of Erythrocytes (RBCs) is:

20. He was the first Arab physician to explain pulmonary circulation.