Transport – Online MCQs Test – Biology 9th

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

2. Stomata are surrounded by two kidney shaped:

3. This much % of plasma is water.

4. Auriculo ventricular aperture connects:

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

6. It pumps blood to lungs.

7. Tricuspid valve connects:

8. The outer layer of root cells consists of:

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

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

11. The normal range of heart rate is:

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

13. They play important part in clotting of blood.

14. The blood flows slower in:

15. When a heart beats very fast, this condition is called:

16. The movement of prepared food from leaves to different parts of plant through phloem elements is called:

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

18. They produce in bone marrow.

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

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