Transport – Online MCQs Test – Biology 9th

1. Part of root between epidermis and endodermis called:

2. The function of platelets is:

3. This layer of arteries consists mostly of smooth muscle and elastic fibers.

4. Root hairs are most important to a plant because they:

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

6. The high solute potential of leaf cells attract:

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

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

9. The innermost layer of arteries is made up of:

10. Average life of Erythrocytes (RBCs) is:

11. In this type of circulatory system blood flows through the spaces among tissue so it directly comes in contact with tissues.

12. It pumps blood to lungs.

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

14. 62% of leucocytes (WBCs) are:

15. To prevent backward flow of blood, the pulmonary arch and systemic aorta, both are guarded by:

16. In cell, transpiration maintains:

17. On average, a healthy heart beats are:

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

19. A type of circulatory system blood flow through the spaces among tissues called:
(i) open type circulatory system
(ii) close type circulatory system
(iii) pulmonary circulatory system

20. Water and mineral salts enter the plant through: