Transport – Online MCQs Test – Biology 9th

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

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

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

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

5. Upward movement of water with mineral is called:

6. They have walls made up of single layer of flattened cells called endothelium:

7. Auriculo ventricular aperture connects:

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

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

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

11. 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

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

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

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

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

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

17. On average, a healthy heart beats are:

18. They produce in bone marrow.

19. The normal range of heart rate is:

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