15. Which of the following is not correct for hepatitis A virus?
A.It can be grown in cell cultures of primate and human cells
B.It is one of the most stable viruses infecting humans
C.It may cause hepatocellular carcinoma
D.None of the above

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16. Which of the following viruses can be transmitted by the parenteral route?
A.HBV
B.HCV
C.HDV
D.All of these

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17. The viruses, which is/are transmitted by parenteral and sexual routes is/are
A.Hepatitis B virus
B.Hepatitis C virus
C.Hepatitis G virus
D.All of these

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18. Which of the following antigenic types of hepatitis B virus is present in the envelope?
A.HbsAg
B.HBcAg
C.HBeAg
D.HBxAg

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19. The development of hepatocellular carcinoma is associated with
A.ground squirrel hepatitis virus
B.hepatitis B virus
C.woodchuck hepatitis virus
D.all of the above

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20. Which of the following antigenic types of hepatitis B virus is prevalent in India?
A.Adw
B.Adr
C.Ayw
D.Ayr

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