Online MCQs Test – Gaseous Exchange – Biology 10th

1. The amount of molecular oxygen present in water is about:

2. The process of breathing consists of:

3. Carbon dioxide is taken in the process of:

4. It contains vocal cords to produce sound.

5. Ribs are attached with:

6. Each lung is soft, spongy and:

7. we use normally about __________ of the air coming into the lungs.

8. Trachea in the center of the thorax bifurcates into two smaller ducts, called:

9. The respiratory surface of human is:

10. Expiration involves:

11. Stomata are present in:

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

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

14. Plants do the exchange of gases through:

15. It is an allergic response to pollens, dust, smoke, fur, feathers and several other substances.

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

17. Lungs can be filled with a maximum amount of:

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

19. Which of the following disorder is associated with inflammation of air passageways?

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