Transport – Online MCQs Test – Biology 9th

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

2. Upward movement of water with mineral is called:

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

4. The decreasing heart rate is a result of slow heartbeat, which leads to a condition called:

5. In human heart blood returning from lungs first drains into the:

6. They produce in bone marrow.

7. The outer layer of root cells consists of:

8. Average life of Erythrocytes (RBCs) is:

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

10. Part of root between epidermis and endodermis called:

11. Human plasma proteins include which of the following?
(i) Fibrinogen
(ii) Hemoglobin
(iii) Albumin

12. Stomata are surrounded by two kidney shaped:

13. The normal range of heart rate is:

14. Tricuspid valve connects:

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

16. Colourless, nucleated, irregular cells are:

17. They control the opening and closing of stomata.

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

19. Root has a root tip which is the growing part of root covered by:

20. 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