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MDCAT XI Biology Immunity Online Test-2

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MDCAT XI Biology Immunity Online Test-2

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📚 Test Details

  • Subject: Biology
  • Class: 1st year / XI
  • Chapter: Immunity 
  • Test: 2
  • Book: Sindh Textbook
  • Total No. Of MCQs: 50 MCQs
  • Time Allowed: 50 Minutes
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  • Price: Free

1 / 50

1. How many lobes does a mature neutrophil have?

2 / 50

2. Which layer of skin is made up of dead cells and keratin?

3 / 50

3. What is the largest organ of the human body?

4 / 50

4. Tears contribute to human immunity by acting as a:

5 / 50

5. Which of the following is a component of the second line of defense that is non-specific in nature?

6 / 50

6. Humoral immunity is due to:

7 / 50

7. The thymus gland is involved in the maturation of:

8 / 50

8. Which cell has CD4, CD, and TCR receptors on its surface?

9 / 50

9. Lymphocytes constitute what percentage of circulating WBCs?

10 / 50

10. Which of the following is NOT correct?

11 / 50

11. How many types of vaccines are there?

12 / 50

12. The global alarm system of our body's immune system is:

13 / 50

13. MHC II molecules are present on:

14 / 50

14. Which of the following is an example of passive artificial immunity?

15 / 50

15. Vaccination is an example of which type of immunity?

16 / 50

16. Which of the following is an example of active natural immunity?

17 / 50

17. Antibodies are secreted by:

18 / 50

18. Which of the following is correct?

19 / 50

19. The immune system of a vertebrate can produce how many different antibodies?

20 / 50

20. Which cell is referred to as a "serial killer"?

21 / 50

21. MHC I molecules are present on:

22 / 50

22. Which of the following is a salicylate?

23 / 50

23. Although fever is beneficial, it has harmful effects such as:

24 / 50

24. Prostaglandins involved in thermogenesis are produced by the:

25 / 50

25. Which of the following is NOT a pyrogen?

26 / 50

26. Which of the following is correct regarding substances that cause fever?

27 / 50

27. Substances that induce fever are called:

28 / 50

28. Pyrexia is a:

29 / 50

29. Which of the following mainly functions in phagocytosis?

30 / 50

30. When tissue damage occurs, histamine dilates blood vessels and attracts:

31 / 50

31. Which of the following is NOT a characteristic of acute inflammation?

32 / 50

32. In the presence of an antigen, complement proteins are activated; some damage cell membranes, while others attract cells such as:

33 / 50

33. Which of the following is correct?

34 / 50

34. Which of the following is correct?

35 / 50

35. Which term refers to the ability of a substance to damage or destroy target cells?

36 / 50

36. Dendritic cells migrate to secondary lymphoid organs such as:

37 / 50

37. Dendritic cells and macrophages present antigens to:

38 / 50

38. Macrophages adapt to specific tissue conditions and are called Kupffer cells in the:

39 / 50

39. What is the lifespan of a monocyte?

40 / 50

40. Neutrophils can recognize various bacterial molecules such as:

41 / 50

41. Neutrophils make up what percentage of total leukocytes?

42 / 50

42. Which is the most abundant type of white blood cell?

43 / 50

43. The mucosa provides a biochemical barrier through its mucus, which contains many:

44 / 50

44. Which of the following statements about the hypodermis is NOT correct?

45 / 50

45. Which of the following consists of living cells, blood vessels, and nerves?

46 / 50

46. Langerhans cells are:

47 / 50

47. Which is the outermost layer of the skin that lacks blood supply?

48 / 50

48. What is the function of skin?

49 / 50

49. Which of the following statements about inflammation is correct?

50 / 50

50. Which of the following acts as both a physical and biochemical barrier?

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