1. Which of the following statement is true?

2. Regarding the functions of our respiratory system, mark the wrong entry.

3. The alveolar epithelium in the lungs is:

4. Which one of the following mammalian cells is not capable of metabolising glucose to carbon-dioxide aerobically?

5.  Respiration in insects is called direct because

6. The maximum volume of air contained in the lung by a full forced inhalation is called

7. The oxygen dissociation curve is shifted to the right by an increase in ______.

8. The maximum volume of air that can be released from the lungs by forceful expiration after deepest inspiration is called the ______.

9. Which of the following statements is true about Trachea in a respiratory system?

10. Which one of the followings is correct regarding larynx?

11. Which organ lies in thoracic cavity?

12. Very high number of alveoli present in a lung is meant for

13. Trachea divides into bronchi at

14. Azygous lobe is part of

15. When CO₂ concentration in blood increases, breathing becomes:

16. Aerobic respiratory pathway is also termed as ______ pathway.

17. A person suffers punctures in his chest cavity in an accident without any damage to the lungs. Its effect could be

18. The process of migration of chloride ions from plasma to RBC and of carbonate ions from RBC to plasma is:

19. Intercostal muscles occur in:

20. Which one of the following is NOT correct?