16. Which of the following viruses can be transmitted by the parenteral route?

A. HBV
B. HCV
C. HDV
D. All of these

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

18. Which of the following antigenic types of hepatitis B virus is present in the envelope?

A. HbsAg
B. HBcAg
C. HBeAg
D. HBxAg

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

20. Which of the following antigenic types of hepatitis B virus is prevalent in India?

A. Adw
B. Adr
C. Ayw
D. Ayr