Quiz_Viruses

1. The lambda phase is a:

 
 
 
 

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

 
 
 
 

3. Smallpox is caused by:

 
 
 
 

4. Bacteria differ from viruses in being sensitive to:

 
 
 
 

5. Kuru, a human disease is caused by:

 
 
 
 

6. Virion refers to:

 
 
 
 

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

 
 
 
 

8. Who named prion?

 
 
 
 

9. Number of capsomeres forming capsid of TMV is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Who discovered cyanophages?

 
 
 
 

13. TMV was isolated in crystalline form by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Viroids have:

 
 
 
 

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

 
 
 
 

18. Which is an exception to cell theory?

 
 
 
 

19. The first to isolate a plant virus was:

 
 
 
 

20. Bacteriophage consists of:

 
 
 
 

21. What is a vector?

 
 
 
 

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

 
 
 
 

23. Enzymes are absent in:

 
 
 
 

24. Bacteriophages have been used as:

 
 
 
 

25. The genetic material of poxvirus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Viruses are commonly transmitted in plants through:

 
 
 
 

30. In Herpes virus DNA is:

 
 
 
 

31. Interferon is a:

 
 
 
 

32. In a bacteriophage, DNA is present in:

 
 
 
 

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

 
 
 
 

34. Genetic material of TMV is:

 
 
 
 

35. 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:

 
 
 
 

36. Detailed study of bacteriophage was made by:

 
 
 
 

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

 
 
 
 

38. Viruses have:

 
 
 
 

39. The truncated cone of HIV consists of:

 
 
 
 

40. Which of the following is true for viruses?

 
 
 
 

41. 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:

 
 
 
 

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

 
 
 
 

43. Cyanophage is a virus that attacks:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Viruses are considered to be:

 
 
 
 

49. Who among the following discovered virus?

 
 
 
 

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

 
 
 
 

51. Longest known virus is:

 
 
 
 

52. First animal pathogenic virus was discovered by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Infective part of virus was discovered by:

 
 
 
 

57. Virus and bacteriophage are made-up of: