Quiz_Viruses

1. Enzymes are absent in:

 
 
 
 

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

 
 
 
 

3. Viruses have:

 
 
 
 

4. What is a vector?

 
 
 
 

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

 
 
 
 

6. The lambda phase is a:

 
 
 
 

7. Viroids have:

 
 
 
 

8. Smallpox is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Cyanophage is a virus that attacks:

 
 
 
 

12. Bacteriophage consists of:

 
 
 
 

13. Bacteria differ from viruses in being sensitive to:

 
 
 
 

14. The genetic material of poxvirus is:

 
 
 
 

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

 
 
 
 

16. Viruses are considered to be:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. 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:

 
 
 
 

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

 
 
 
 

23. Viruses are commonly transmitted in plants through:

 
 
 
 

24. Kuru, a human disease is caused by:

 
 
 
 

25. The first to isolate a plant virus was:

 
 
 
 

26. Detailed study of bacteriophage was made by:

 
 
 
 

27. In Herpes virus DNA is:

 
 
 
 

28. The truncated cone of HIV consists of:

 
 
 
 

29. Who among the following discovered virus?

 
 
 
 

30. Genetic material of TMV is:

 
 
 
 

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

 
 
 
 

32. Which is an exception to cell theory?

 
 
 
 

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

 
 
 
 

34. Virus and bacteriophage are made-up of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Number of capsomeres forming capsid of TMV is:

 
 
 
 

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

 
 
 
 

39. In a bacteriophage, DNA is present in:

 
 
 
 

40. Infective part of virus was discovered by:

 
 
 
 

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

 
 
 
 

42. Interferon is a:

 
 
 
 

43. Virion refers to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Who discovered cyanophages?

 
 
 
 

49. First animal pathogenic virus was discovered by:

 
 
 
 

50. Longest known virus is:

 
 
 
 

51. Which of the following is true for viruses?

 
 
 
 

52. Bacteriophages have been used as:

 
 
 
 

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

 
 
 
 

54. Who named prion?

 
 
 
 

55. TMV was isolated in crystalline form by:

 
 
 
 

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

 
 
 
 

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