Online MCQs Test – Gaseous Exchange – Biology 10th

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

2. The process of breathing consists of:

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

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

5. Each lung is soft, spongy and:

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

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

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

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

10. Respiratory surface possesses the following property:

11. The opening of larynx is known as:

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

13. In humans, the process of respiration involves:

14. It is wrapped in two pleural membranes.

15. Plants do the exchange of gases through:

16. It is regulated by the hypothalamus of our brain.

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

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

19. Each stoma is formed by:

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