Quiz_Viruses

1. Viruses have:

 
 
 
 

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

 
 
 
 

3. Which is an exception to cell theory?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Who discovered cyanophages?

 
 
 
 

10. The truncated cone of HIV consists of:

 
 
 
 

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

 
 
 
 

12. TMV was isolated in crystalline form by:

 
 
 
 

13. Virion refers to:

 
 
 
 

14. Virus and bacteriophage are made-up of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Kuru, a human disease is caused by:

 
 
 
 

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

 
 
 
 

19. Number of capsomeres forming capsid of TMV is:

 
 
 
 

20. Viruses are commonly transmitted in plants through:

 
 
 
 

21. The lambda phase is a:

 
 
 
 

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

 
 
 
 

23. Enzymes are absent in:

 
 
 
 

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

 
 
 
 

25. First animal pathogenic virus was discovered by:

 
 
 
 

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

 
 
 
 

27. Interferon is a:

 
 
 
 

28. Viroids have:

 
 
 
 

29. Bacteria differ from viruses in being sensitive to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Infective part of virus was discovered by:

 
 
 
 

34. The genetic material of poxvirus is:

 
 
 
 

35. Who named prion?

 
 
 
 

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

 
 
 
 

37. Smallpox is caused by:

 
 
 
 

38. Bacteriophages have been used as:

 
 
 
 

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

 
 
 
 

40. Bacteriophage consists of:

 
 
 
 

41. Cyanophage is a virus that attacks:

 
 
 
 

42. In Herpes virus DNA is:

 
 
 
 

43. 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:

 
 
 
 

44. Genetic material of TMV is:

 
 
 
 

45. 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:

 
 
 
 

46. Which of the following is true for viruses?

 
 
 
 

47. What is a vector?

 
 
 
 

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

 
 
 
 

49. Viruses are considered to be:

 
 
 
 

50. Who among the following discovered virus?

 
 
 
 

51. In a bacteriophage, DNA is present in:

 
 
 
 

52. Detailed study of bacteriophage was made by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. The first to isolate a plant virus was:

 
 
 
 

56. Longest known virus is:

 
 
 
 

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