Gaseous Exchange Mdcat Mcqs online test 1

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Instructions for Chapter Gaseous Exchange Online Test Mdcat-2023:

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Test Details:

  • Subject: Biology
  • Class: 1st year or 11
  • Chapter name: Gaseous Exchange
  • Test: MDCAT 2023
  • Book: Sindh Textbook
  • Total No. Of MCQS: 50
  • Time Allowed: 50 Minutes
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Created on By 99aa5633491da71752e906844cd41aa5medicoengineer.com

Mdcat Biology XI Gaseous Exchange Mcqs test 1

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1 / 50

1. Pharynx leads air into larynx through opening is called

2 / 50

2. Both lungs contain _____ million alveoli

3 / 50

3. which of the following transport more CO2

4 / 50

4. ________  Hb molecules in each RBC

5 / 50

5. Lungs are :

6 / 50

6. The lateral wall of chest cavity of man is composed of

7 / 50

7. when you inhale the diaphragm ?

8 / 50

8. Vital capacity average about

9 / 50

9. Breathing is example of:

10 / 50

10. common opening of food as well as air

11 / 50

11. water of plasma transport _____% of CO2

12 / 50

12. TB is caused by:

13 / 50

13. Pharynx is common for food and air. But food does not pass into trachea:

14 / 50

14. Bicarbonate ions are formed in the red blood cells:

15 / 50

15. In alveoli, gaseous  exchange occurs by the process of:

16 / 50

16. Hemoglobin Carries time more oxygen than plasma

17 / 50

17. What is true option about larynx?

I) It links pharynx to the trachea.

II) It possesses vocal cords.

III) It It lies below the pharynx.

18 / 50

18. During the process of CO2 transport:

19 / 50

19. The amount of air inhaled, exhaled and stored within the lungs at any given time is:

20 / 50

20. From the nasal cavity, air passes through:

21 / 50

21. Alveoli can expand and recoil easily during breathing; because their walls consist of:

22 / 50

22. What causes the rib cage to move upward and forward during inhalation process?

23 / 50

23. Inspiration and expiration occur in a cyclical manner due to the movements of:

24 / 50

24. What is the role of lung surfactant?

25 / 50

25. Emotions acting through _____ can affect respiratory centre.

26 / 50

26. The centralized iron-containing group that is encircled by the alpha and beta subunits

of haemoglobin is:

27 / 50

27. Breathing process is regulated by:

28 / 50

28. A network of small branches leading from bronchi to lung tissue and finally to air-sac is:

29 / 50

29. the  total average lungs capacity of adult human is

30 / 50

30. Most of the CO2 produced in the tissues is:

31 / 50

31. which one of the following is correct sequence of respiratory passages in man

32 / 50

32. A decrease in air pressure inside thoracic cavity

33 / 50

33. carbonic acid is synthesized

34 / 50

34. All of the following structures are important component of respiratory system except

35 / 50

35. When air inhale in to respiratory tract

36 / 50

36. Alveoli become inflated

37 / 50

37. Diaphragm muscle is type of

38 / 50

38. breathing in man is regulated by

39 / 50

39. The iron components of myoglobin

40 / 50

40. The membrane that covers the lungs

41 / 50

41. which one of the following is generally known as respiratory center

42 / 50

42. The humans left lungs contain

43 / 50

43. Air enters in lungs through

44 / 50

44. The gas that is released during process of respiration

45 / 50

45. In lungs the alveolar epithelium is

46 / 50

46. Approximately_________ of carbon dioxide is carried in a blood as a bicarbonate ions

47 / 50

47. Right human lungs contain

48 / 50

48. The amount of extra air inhaled during a deep breath is called.

49 / 50

49. The component of respiratory system in which gases exchange occurs

50 / 50

50. Oxygen binds with haemoglobin

Your score is

The average score is 58%

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