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1. Which of the following is true for viruses?

 
 
 
 

2. Infective part of virus was discovered by:

 
 
 
 

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

 
 
 
 

4. Detailed study of bacteriophage was made by:

 
 
 
 

5. Cyanophage is a virus that attacks:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Bacteriophages have been used as:

 
 
 
 

12. Who named prion?

 
 
 
 

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

 
 
 
 

14. Interferon is a:

 
 
 
 

15. Smallpox is caused by:

 
 
 
 

16. First animal pathogenic virus was discovered by:

 
 
 
 

17. Viroids have:

 
 
 
 

18. Viruses are considered to be:

 
 
 
 

19. What is a vector?

 
 
 
 

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

 
 
 
 

21. The truncated cone of HIV consists of:

 
 
 
 

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

 
 
 
 

23. Viruses are commonly transmitted in plants through:

 
 
 
 

24. Enzymes are absent in:

 
 
 
 

25. In a bacteriophage, DNA is present in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Number of capsomeres forming capsid of TMV is:

 
 
 
 

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. Bacteriophage consists of:

 
 
 
 

31. Who discovered cyanophages?

 
 
 
 

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

 
 
 
 

33. Longest known virus is:

 
 
 
 

34. The first to isolate a plant virus was:

 
 
 
 

35. Virion refers to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Kuru, a human disease is caused by:

 
 
 
 

40. Bacteria differ from viruses in being sensitive to:

 
 
 
 

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

 
 
 
 

42. Virus and bacteriophage are made-up of:

 
 
 
 

43. TMV was isolated in crystalline form by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Which is an exception to cell theory?

 
 
 
 

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

 
 
 
 

48. In Herpes virus DNA is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

51. Genetic material of TMV is:

 
 
 
 

52. The lambda phase is a:

 
 
 
 

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

 
 
 
 

54. Who among the following discovered virus?

 
 
 
 

55. 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:

 
 
 
 

56. Viruses have:

 
 
 
 

57. The genetic material of poxvirus is:

 
 
 
 


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