Quiz_Viruses

1. Which of the following is true for viruses?

 
 
 
 

2. Number of capsomeres forming capsid of TMV is:

 
 
 
 

3. The lambda phase is a:

 
 
 
 

4. Smallpox is caused by:

 
 
 
 

5. In a bacteriophage, DNA is present in:

 
 
 
 

6. Virus and bacteriophage are made-up of:

 
 
 
 

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

 
 
 
 

8. Viruses have:

 
 
 
 

9. Longest known virus is:

 
 
 
 

10. Who named prion?

 
 
 
 

11. Cyanophage is a virus that attacks:

 
 
 
 

12. Kuru, a human disease is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. Bacteria differ from viruses in being sensitive to:

 
 
 
 

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

 
 
 
 

17. Genetic material of TMV is:

 
 
 
 

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

 
 
 
 

19. Bacteriophage consists of:

 
 
 
 

20. First animal pathogenic virus was discovered by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. What is a vector?

 
 
 
 

25. TMV was isolated in crystalline form by:

 
 
 
 

26. Viruses are considered to be:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Infective part of virus was discovered by:

 
 
 
 

30. Viroids have:

 
 
 
 

31. Virion refers to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. 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:

 
 
 
 

35. Which is an exception to cell theory?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. Detailed study of bacteriophage was made by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. The first to isolate a plant virus was:

 
 
 
 

42. In Herpes virus DNA is:

 
 
 
 

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

 
 
 
 

44. 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:

 
 
 
 

45. The genetic material of poxvirus is:

 
 
 
 

46. Enzymes are absent in:

 
 
 
 

47. Who discovered cyanophages?

 
 
 
 

48. Who among the following discovered virus?

 
 
 
 

49. Bacteriophages have been used as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. The truncated cone of HIV consists of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Viruses are commonly transmitted in plants through:

 
 
 
 

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

 
 
 
 

57. Interferon is a: