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1. Viruses are commonly transmitted in plants through:

 
 
 
 

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

 
 
 
 

3. The genetic material of poxvirus is:

 
 
 
 

4. Smallpox is caused by:

 
 
 
 

5. Longest known virus is:

 
 
 
 

6. Who discovered cyanophages?

 
 
 
 

7. Viruses are considered to be:

 
 
 
 

8. Infective part of virus was discovered by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Kuru, a human disease is caused by:

 
 
 
 

12. 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:

 
 
 
 

13. Bacteriophage consists of:

 
 
 
 

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

 
 
 
 

15. Virion refers to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. What is a vector?

 
 
 
 

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

 
 
 
 

21. Which is an exception to cell theory?

 
 
 
 

22. Which of the following is true for viruses?

 
 
 
 

23. In a bacteriophage, DNA is present in:

 
 
 
 

24. Virus and bacteriophage are made-up of:

 
 
 
 

25. Detailed study of bacteriophage was made by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. First animal pathogenic virus was discovered by:

 
 
 
 

31. Enzymes are absent in:

 
 
 
 

32. Who named prion?

 
 
 
 

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

 
 
 
 

34. Genetic material of TMV is:

 
 
 
 

35. Who among the following discovered virus?

 
 
 
 

36. Interferon is a:

 
 
 
 

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

 
 
 
 

38. Viruses have:

 
 
 
 

39. In Herpes virus DNA is:

 
 
 
 

40. The lambda phase is a:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Cyanophage is a virus that attacks:

 
 
 
 

45. The first to isolate a plant virus was:

 
 
 
 

46. Bacteria differ from viruses in being sensitive to:

 
 
 
 

47. Viroids have:

 
 
 
 

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

 
 
 
 

49. 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:

 
 
 
 

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

 
 
 
 

51. The truncated cone of HIV consists of:

 
 
 
 

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

 
 
 
 

53. TMV was isolated in crystalline form by:

 
 
 
 

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

 
 
 
 

55. Number of capsomeres forming capsid of TMV is:

 
 
 
 

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

 
 
 
 

57. Bacteriophages have been used as:

 
 
 
 


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