This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hepatitis Viruses, Subject name: Microbiology
Which is not true about hepatitis B virus? 
Select and explain. 
A. DNA virus, B. Transmitted by faeco - oral route, C. Can be transmitted from mother to child (Perinatal transmission), D. Contains reverse transcriptase
B: Transmitted by faeco - oral route
Answer: B: Transmitted by faeco - oral route 
Explanation: Ans. is 'b' i.e., Transmitted by faeco - oral route (Ref: Harrison, 18th/e, p. 2547; 17th/e, p. 1939)* Hep B is partially double stranded DNA virus, amongst the hepatitis viruses, HBV has maximum risk of perinatal transmission.Perinatal transmissionHAVHBVHCVHDVHEV-++++-+-