Online MCQs Test – Gaseous Exchange – Biology 10th

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

2. Ribs are attached with:

3. The biological functions which perform gaseous exchange:

4. Carbon dioxide is taken in the process of:

5. Respiratory surface possesses the following property:

6. Increase in rate of breathing is due to the following:

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

8. The opening of larynx is known as:

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

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

11. Each bronchus have:

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

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

14. The process of breathing consists of:

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

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

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

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

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

20. Inspiration involves: