Quiz_Viruses

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

 
 
 
 

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

 
 
 
 

3. Longest known virus is:

 
 
 
 

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

 
 
 
 

5. Bacteria differ from viruses in being sensitive to:

 
 
 
 

6. Detailed study of bacteriophage was made by:

 
 
 
 

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

 
 
 
 

8. Cyanophage is a virus that attacks:

 
 
 
 

9. The truncated cone of HIV consists of:

 
 
 
 

10. Who among the following discovered virus?

 
 
 
 

11. What is a vector?

 
 
 
 

12. Virion refers to:

 
 
 
 

13. Bacteriophages have been used as:

 
 
 
 

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

 
 
 
 

15. Who discovered cyanophages?

 
 
 
 

16. 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:

 
 
 
 

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

 
 
 
 

18. The lambda phase is a:

 
 
 
 

19. Genetic material of TMV is:

 
 
 
 

20. TMV was isolated in crystalline form by:

 
 
 
 

21. In a bacteriophage, DNA is present in:

 
 
 
 

22. Infective part of virus was discovered by:

 
 
 
 

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

 
 
 
 

24. Virus and bacteriophage are made-up of:

 
 
 
 

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

 
 
 
 

26. Interferon is a:

 
 
 
 

27. The first to isolate a plant virus was:

 
 
 
 

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

 
 
 
 

29. Kuru, a human disease is caused by:

 
 
 
 

30. Which of the following is true for viruses?

 
 
 
 

31. Enzymes are absent in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. First animal pathogenic virus was discovered by:

 
 
 
 

36. Viruses are commonly transmitted in plants through:

 
 
 
 

37. Which is an exception to cell theory?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. The genetic material of poxvirus is:

 
 
 
 

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

 
 
 
 

42. In Herpes virus DNA is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. Bacteriophage consists of:

 
 
 
 

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

 
 
 
 

47. 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:

 
 
 
 

48. Viroids have:

 
 
 
 

49. Viruses have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Who named prion?

 
 
 
 

54. Smallpox is caused by:

 
 
 
 

55. Viruses are considered to be:

 
 
 
 

56. Number of capsomeres forming capsid of TMV is:

 
 
 
 

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