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1. Bacteria differ from viruses in being sensitive to:

 
 
 
 

2. In a bacteriophage, DNA is present in:

 
 
 
 

3. Enzymes are absent in:

 
 
 
 

4. The lambda phase is a:

 
 
 
 

5. Who discovered cyanophages?

 
 
 
 

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

 
 
 
 

7. Longest known virus is:

 
 
 
 

8. Cyanophage is a virus that attacks:

 
 
 
 

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

 
 
 
 

10. Who among the following discovered virus?

 
 
 
 

11. 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:

 
 
 
 

12. Who named prion?

 
 
 
 

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

 
 
 
 

14. Bacteriophage consists of:

 
 
 
 

15. Viruses have:

 
 
 
 

16. The first to isolate a plant virus was:

 
 
 
 

17. First animal pathogenic virus was discovered by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Viruses are considered to be:

 
 
 
 

21. Smallpox is caused by:

 
 
 
 

22. Which is an exception to cell theory?

 
 
 
 

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

 
 
 
 

24. Infective part of virus was discovered by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. 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:

 
 
 
 

30. Number of capsomeres forming capsid of TMV is:

 
 
 
 

31. TMV was isolated in crystalline form by:

 
 
 
 

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

 
 
 
 

33. Which of the following is true for viruses?

 
 
 
 

34. Virus and bacteriophage are made-up of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Interferon is a:

 
 
 
 

38. Kuru, a human disease is caused by:

 
 
 
 

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

 
 
 
 

40. Viruses are commonly transmitted in plants through:

 
 
 
 

41. In Herpes virus DNA is:

 
 
 
 

42. Virion refers to:

 
 
 
 

43. Viroids have:

 
 
 
 

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

 
 
 
 

45. The genetic material of poxvirus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Genetic material of TMV is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Bacteriophages have been used as:

 
 
 
 

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

 
 
 
 

54. Detailed study of bacteriophage was made by:

 
 
 
 

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

 
 
 
 

56. What is a vector?

 
 
 
 

57. The truncated cone of HIV consists of:

 
 
 
 


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