Quiz_Viruses

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

 
 
 
 

2. Bacteria differ from viruses in being sensitive to:

 
 
 
 

3. Bacteriophages have been used as:

 
 
 
 

4. The first to isolate a plant virus was:

 
 
 
 

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

 
 
 
 

6. Smallpox is caused by:

 
 
 
 

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

 
 
 
 

8. TMV was isolated in crystalline form by:

 
 
 
 

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

 
 
 
 

10. 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:

 
 
 
 

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

 
 
 
 

12. Viruses are considered to be:

 
 
 
 

13. Viruses are commonly transmitted in plants through:

 
 
 
 

14. The lambda phase is a:

 
 
 
 

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

 
 
 
 

16. Virion refers to:

 
 
 
 

17. What is a vector?

 
 
 
 

18. Viruses have:

 
 
 
 

19. Interferon is a:

 
 
 
 

20. Detailed study of bacteriophage was made by:

 
 
 
 

21. Who named prion?

 
 
 
 

22. The genetic material of poxvirus is:

 
 
 
 

23. Enzymes are absent in:

 
 
 
 

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

 
 
 
 

25. First animal pathogenic virus was discovered by:

 
 
 
 

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

 
 
 
 

27. Which of the following is true for viruses?

 
 
 
 

28. Who among the following discovered virus?

 
 
 
 

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

 
 
 
 

30. In Herpes virus DNA is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. The truncated cone of HIV consists of:

 
 
 
 

34. Number of capsomeres forming capsid of TMV is:

 
 
 
 

35. Kuru, a human disease is caused by:

 
 
 
 

36. 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:

 
 
 
 

37. Which is an exception to cell theory?

 
 
 
 

38. Cyanophage is a virus that attacks:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. Genetic material of TMV is:

 
 
 
 

43. Who discovered cyanophages?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Infective part of virus was discovered by:

 
 
 
 

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

 
 
 
 

49. Bacteriophage consists of:

 
 
 
 

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

 
 
 
 

51. Virus and bacteriophage are made-up of:

 
 
 
 

52. Viroids have:

 
 
 
 

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

 
 
 
 

54. Longest known virus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. In a bacteriophage, DNA is present in: