Life process in Animals and Plants – Online MCQs Test – Biology MCAT

1. Lacteal is the term used for:

2. Which of the following theory gives the latest explanation for the closure of stomata?

3. All of the following are correct about gas exchange in humans EXCEPT

4. Purkinje’s fibres are special types of

5. Which prevent trachea from collapsing

6. The chief role of transpiration in plants is to cause

7. The element required by plants in large quantity is

8. When a cell is fully turgid, which of the following will be zero?

9. The bicuspid valve in the heart of mammal is situated between

10. How many pairs of spiracles are present in cockroach?

11. Diffusion is very important for plants since it is the only means of

12. Cardiac muscle is composed of

13. A pair of insectivorous plants is

14. All of the following are correct about human red blood cells EXCEPT

15. Saliva in our body is involved in all of the following functions except.

16. Absorption of water by root is increased by

17. Process of water exudation through hydathodes is called

18. Parts of haemoglobin that are involved in transport of oxygen and carbon dioxide respectively:
(Oxygen / Carbon dioxide)

19. When a potato piece is kept in a highly concentrated salt solution then the

20. Hydra ha ______ organ for respiration.