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1. Enzymes are absent in:

 
 
 
 

2. TMV was isolated in crystalline form by:

 
 
 
 

3. First animal pathogenic virus was discovered by:

 
 
 
 

4. In Herpes virus DNA is:

 
 
 
 

5. The smallest known agent of a plant disease is:

 
 
 
 

6. AIDS (= Acquired Immune Deficiency Syndrome) is caused by:

 
 
 
 

7. The genetic material of poxvirus is:

 
 
 
 

8. The fact that best supports the concept that viruses are living is that viruses:

 
 
 
 

9. Which is an exception to cell theory?

 
 
 
 

10. Number of capsomeres forming capsid of TMV is:

 
 
 
 

11. In which of the following, RNA is double stranded:

 
 
 
 

12. Certain enzymes like reverse transcriptase, integrase and protease are found in:

 
 
 
 

13. Infective part of virus was discovered by:

 
 
 
 

14. Viruses are commonly transmitted in plants through:

 
 
 
 

15. Genetic material of TMV is:

 
 
 
 

16. Virus and bacteriophage are made-up of:

 
 
 
 

17. Longest known virus is:

 
 
 
 

18. The virus responsible for AIDS is an example of a (an):

 
 
 
 

19. Yellow vein Mosaic of Bhindi Virus (Hibiscus Virus-I) is transmitted through:

 
 
 
 

20. The first to isolate a plant virus was:

 
 
 
 

21. Viruses have:

 
 
 
 

22. The capsid of TMV is made-up of nearly:

 
 
 
 

23. Detailed study of bacteriophage was made by:

 
 
 
 

24. Viruses are considered to be:

 
 
 
 

25. What is a vector?

 
 
 
 

26. An infectious agent associated with certain mammalian degenerative disease that is composed solely of protein, is known as:

 
 
 
 

27. Who discovered cyanophages?

 
 
 
 

28. Bacteriophages have been used as:

 
 
 
 

29. Kuru, a human disease is caused by:

 
 
 
 

30. In order to label the coat alone but not the nucleic acid the bacteriophage should be grown on E. coli cells previously cultured on a medium containing:

 
 
 
 

31. Which of the following protein is associated with prion disease?

 
 
 
 

32. Bacteria differ from viruses in being sensitive to:

 
 
 
 

33. Name the scientist who called viruses as “Contagium vivum fluidum”:

 
 
 
 

34. Group of viruses, which attack members of Myxophyceae are termed as:

 
 
 
 

35. Interferon is a:

 
 
 
 

36. The truncated cone of HIV consists of:

 
 
 
 

37. Bacteriophage consists of:

 
 
 
 

38. Infective portion of a virus is nucleic acid, this was discovered by:

 
 
 
 

39. Cyanophage is a virus that attacks:

 
 
 
 

40. Who among the following discovered virus?

 
 
 
 

41. Prions are pathogens that are thought to consist solely of:

 
 
 
 

42. A substance (a low molecular weight protein) produced by host cells in response to viral infection, that protects other cells against further viral infection is:

 
 
 
 

43. D.C. Gajdusek was awarded the Nobel Prize for discovery of prion based diseases in:

 
 
 
 

44. RNA particle causing symptoms like that of a virus disease are known as:

 
 
 
 

45. Virion refers to:

 
 
 
 

46. Who named prion?

 
 
 
 

47. Which of the following is true for viruses?

 
 
 
 

48. Which of the following disease is caused by virus?

 
 
 
 

49. Which of the following is correct regarding AIDS causative agent HIV? (NEET 2016)

 
 
 
 

50. Chrysanthemum stunt disease and potato spindle tuber disease are caused by:

 
 
 
 

51. In a bacteriophage, DNA is present in:

 
 
 
 

52. Viroids have:

 
 
 
 

53. The lambda phase is a:

 
 
 
 

54. The site where the protein coat of virus is synthesized is:

 
 
 
 

55. Smallpox is caused by:

 
 
 
 

56. In which of the following, RNA is the genetic material?

 
 
 
 

57. Infective nature of Tobacco mosaic disease was discovered by:

 
 
 
 


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