Quiz_Viruses

1. The first to isolate a plant virus was:

 
 
 
 

2. Smallpox is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Number of capsomeres forming capsid of TMV is:

 
 
 
 

6. Bacteria differ from viruses in being sensitive to:

 
 
 
 

7. The truncated cone of HIV consists of:

 
 
 
 

8. Who named prion?

 
 
 
 

9. Viruses are commonly transmitted in plants through:

 
 
 
 

10. Which is an exception to cell theory?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Detailed study of bacteriophage was made by:

 
 
 
 

14. Virion refers to:

 
 
 
 

15. Kuru, a human disease is caused by:

 
 
 
 

16. Viruses are considered to be:

 
 
 
 

17. Virus and bacteriophage are made-up of:

 
 
 
 

18. Who among the following discovered virus?

 
 
 
 

19. TMV was isolated in crystalline form by:

 
 
 
 

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

 
 
 
 

21. What is a vector?

 
 
 
 

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

 
 
 
 

23. Which of the following is true for viruses?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Infective part of virus was discovered by:

 
 
 
 

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

 
 
 
 

30. Genetic material of TMV is:

 
 
 
 

31. The lambda phase is a:

 
 
 
 

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

 
 
 
 

33. 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:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. Viroids have:

 
 
 
 

39. Who discovered cyanophages?

 
 
 
 

40. Bacteriophage consists of:

 
 
 
 

41. Cyanophage is a virus that attacks:

 
 
 
 

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

 
 
 
 

43. In a bacteriophage, DNA is present in:

 
 
 
 

44. In Herpes virus DNA is:

 
 
 
 

45. Longest known virus is:

 
 
 
 

46. 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:

 
 
 
 

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. Viruses have:

 
 
 
 

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

 
 
 
 

51. First animal pathogenic virus was discovered by:

 
 
 
 

52. Bacteriophages have been used as:

 
 
 
 

53. The genetic material of poxvirus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Enzymes are absent in:

 
 
 
 

57. Interferon is a: