Transport – Online MCQs Test – Biology 9th

1. Water and mineral salts enter the plant through:

2. They control the opening and closing of stomata.

3. On average, a healthy heart beats are:

4. Minerals are taken up by root hair in two ways:
(i) Diffusion
(ii) Active transport
(iii) Osmosis
(iv) Passive Tran port

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

6. This much % of plasma is water.

7. Dead cells of xylem vessels arranged vertically have empty space inside called:

8. Movement of water molecules from the area of higher potential to the area of lower water potential called:

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

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

11. In open circulatory system, blood remains filled in the open tissue spaces called:

12. Stomata are surrounded by two kidney shaped:

13. It conducts manufactured food (sucrose) from part of plant where it is synthesized to other parts of the plant where it is required.

14. Types of transport tissues in plants are:

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

16. In this type of blood cancer, number of WBCs increases and RBCs decreases.

17. The function of platelets is:

18. They produce in bone marrow.

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

20. In flowering plants xylem is made up of: