Online MCQs Test – Gaseous Exchange – Biology 10th

1. Each stoma is formed by:

2. These are microscopic openings present in the epidermis of leaves.

3. In the lower part of the thorax, lies a sheet of muscles called:

4. Which of the following disorder is associated with degeneration of alveoli?

5. Each lung is made up of millions of:

6. In the following, the alveoli are infected so they may be filled with fluid or pus.

7. Carbon dioxide is taken in the process of:

8. The total surface area of the respiratory surface in human is about.

9. The biological functions which perform gaseous exchange:

10. It contains vocal cords to produce sound.

11. Expiration involves:

12. Each bronchiole is a very thin tube that opens into:

13. The respiratory surface of human is:

14. Plants exchange gases for the process/es of:

15. It is wrapped in two pleural membranes.

16. Stomata are present in:

17. The internal opening of nasal sacs opens into a long tube called:

18. The amount of molecular oxygen present in the air is about:

19. The gaseous exchange takes place at the level of alveoli. This gaseous exchange involves:

20. The process of breathing consists of: