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1. 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:

 
 
 
 

2. Which is an exception to cell theory?

 
 
 
 

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

 
 
 
 

4. Viruses are commonly transmitted in plants through:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Cyanophage is a virus that attacks:

 
 
 
 

8. What is a vector?

 
 
 
 

9. Who among the following discovered virus?

 
 
 
 

10. First animal pathogenic virus was discovered by:

 
 
 
 

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

 
 
 
 

12. Detailed study of bacteriophage was made by:

 
 
 
 

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

 
 
 
 

14. Infective part of virus was discovered by:

 
 
 
 

15. 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:

 
 
 
 

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

 
 
 
 

17. Longest known virus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Viruses are considered to be:

 
 
 
 

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

 
 
 
 

22. Virus and bacteriophage are made-up of:

 
 
 
 

23. In Herpes virus DNA is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Smallpox is caused by:

 
 
 
 

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

 
 
 
 

29. In a bacteriophage, DNA is present in:

 
 
 
 

30. TMV was isolated in crystalline form by:

 
 
 
 

31. Virion refers to:

 
 
 
 

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

 
 
 
 

33. Viruses have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. The first to isolate a plant virus was:

 
 
 
 

37. The lambda phase is a:

 
 
 
 

38. Number of capsomeres forming capsid of TMV is:

 
 
 
 

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

 
 
 
 

40. Kuru, a human disease is caused by:

 
 
 
 

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

 
 
 
 

42. Which of the following is true for viruses?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. Bacteria differ from viruses in being sensitive to:

 
 
 
 

46. Bacteriophages have been used as:

 
 
 
 

47. Enzymes are absent in:

 
 
 
 

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

 
 
 
 

49. Bacteriophage consists of:

 
 
 
 

50. Who discovered cyanophages?

 
 
 
 

51. Genetic material of TMV is:

 
 
 
 

52. Who named prion?

 
 
 
 

53. The truncated cone of HIV consists of:

 
 
 
 

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

 
 
 
 

55. The genetic material of poxvirus is:

 
 
 
 

56. Viroids have:

 
 
 
 

57. Interferon is a:

 
 
 
 


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