BiologyMDCAT

Biology Diversity (acellular life/ variety of life) MCQs

157

Biology Diversity (acellular life/ variety of life) MDCAT Test Preparation MCQs

1. Certain RNA viruses carry a gene for synthesis of DNA. This enzyme is: an enzyme that uses viral RNA as a template in the
a.
b.
c.
d.

Question 1 of 56

2. HIV is classified as:
a.
b.
c.
d.

Question 2 of 56

3. Bacteriophage releases lysozyme during.
a.
b.
c.
d.

Question 3 of 56

4. When a bacteriophage in its lytic phase carries some of the bacterium's partially digested chromosome with it to another host cell the process is called:
a.
b.
c.
d.

Question 4 of 56

5. Mumps and measles viruses belong to group paramyxoviruses which are the viruses:
a.
b.
c.
d.

Question 5 of 56

6. The genetic material of retroviruses (AIDS virus) is.
a.
b.
c.
d.

Question 6 of 56

7. Give below is the diagram of a bacteriophage. In which one of the options all the four part A,B,C and are correct.
a.
b.
c.
d.

Question 7 of 56

8. Bacteriophage consists of or made up of.
a.
b.
c.
d.

Question 8 of 56

9. HIV attaches to
a.
b.
c.
d.

Question 9 of 56

10. The bacteriophage contains an enzyme known as.
a.
b.
c.
d.

Question 10 of 56

11. Which part of an animal virus is not reproduced in multiple copies?
a.
b.
c.
d.

Question 11 of 56

12. Which of the following statements is correct
a.
b.
c.
d.

Question 12 of 56

13. Viroids differ from viruses in having.
a.
b.
c.
d.

Question 13 of 56

14. Which of these are found in all viruses?
a.
b.
c.
d.

Question 14 of 56

15. Helicalerontractile sheath occurs in
a.
b.
c.
d.

Question 15 of 56

16. Viral disease that is wide spread and caused by enveloped RNA virus is
a.
b.
c.
d.

Question 16 of 56

17. The process which cannot take place in the absence of virus is
a.
b.
c.
d.

Question 17 of 56

18. The best known phages are T phages that Infect:
a.
b.
c.
d.

Question 18 of 56

19. Enveloped virus enters into host cells by.
a.
b.
c.
d.

Question 19 of 56

20. Reverse transcription is used to make DNA copies of:
a.
b.
c.
d.

Question 20 of 56

21. How is HIV transmitted from one person to another?
a.
b.
c.
d.

Question 21 of 56

22. Which one of the following cells are mainly infected by HIV?
a.
b.
c.
d.

Question 22 of 56

23. All viruses are made up of
a.
b.
c.
d.

Question 23 of 56

24. which of the at any in the ot true for retroviruses
a.
b.
c.
d.

Question 24 of 56

25. The latest view for the origin of viruses is.
a.
b.
c.
d.

Question 25 of 56

26. A Virus is a.
a.
b.
c.
d.

Question 26 of 56

27. Viruses are considered nonliving because
a.
b.
c.
d.

Question 27 of 56

28. Common cold is caused by
a.
b.
c.
d.

Question 28 of 56

29. Viruses are
a.
b.
c.
d.

Question 29 of 56

30. Number of capsomers present in herpes virus are
a.
b.
c.
d.

Question 30 of 56

31. Hepatitis D is caused by
a.
b.
c.
d.

Question 31 of 56

32. How does a virus cause disease?
a.
b.
c.
d.

Question 32 of 56

33. Which of the following characteristic of viruses is not like that of living things
a.
b.
c.
d.

Question 33 of 56

34. AIDS is due to.
a.
b.
c.
d.

Question 34 of 56

35. In a newly discovered virus you might fin
a.
b.
c.
d.

Question 35 of 56

36. Which of the following illness is caused by a retrovirus?
a.
b.
c.
d.

Question 36 of 56

37. Poliomyelitis affects
a.
b.
c.
d.

Question 37 of 56

38. Why can't a person with AIDS make antibodies against HIV?
a.
b.
c.
d.

Question 38 of 56

39. The HIV primarily infects
a.
b.
c.
d.

Question 39 of 56

40. Which statement is not true about fungi
a.
b.
c.
d.

Question 40 of 56

41. In HIV viruses, reverse transcriptase converts single-stranded RNA into double stranded viral DNA. This process is called:
a.
b.
c.
d.

Question 41 of 56

42. Prions are made up of
a.
b.
c.
d.

Question 42 of 56

43. HIV is classified as a retrovirus because its genetic information is carried in.
a.
b.
c.
d.

Question 43 of 56

44. Animal viruses have.
a.
b.
c.
d.

Question 44 of 56

45. Which one of the following diseases caused by enveloped RNA virus and spread in epidemic form?
a.
b.
c.
d.

Question 45 of 56

46. All viruses can reproduce within living organisms only, so they are known as:
a.
b.
c.
d.

Question 46 of 56

47. What is the sequence of steps in which a bacteriophage attacks bacteria and injects its
DNA?
a.
b.
c.
d.

Question 47 of 56

48. RNA retroviruses have a special enzyme that
a.
b.
c.
d.

Question 48 of 56

49. Induction is a process in which a viral DNA
a.
b.
c.
d.

Question 49 of 56

50. Which one is true for Pox-viruses?
a.
b.
c.
d.

Question 50 of 56

51. Jenner used material for vaccination from cowpox lesions and successfully vaccinated_____persons:
a.
b.
c.
d.

Question 51 of 56

52. How are HIV and AIDS different?
a.
b.
c.
d.

Question 52 of 56

53. The complete mature and Infectious particle is known as
a.
b.
c.
d.

Question 53 of 56

54. Which step in the lytic cycle follows cell? attachment of virus and release of DNA into the
a.
b.
c.
d.

Question 54 of 56

55. ________ was formerly called as infectious hepatitis:
a.
b.
c.
d.

Question 55 of 56

56. Which of these is true statement?
a.
b.
c.
d.

Question 56 of 56


 

157
© Copyright 2026, All Rights Reserved  |  GOTEST PRO
Back to top button