<prompt> Which is not true about hepatitis B virus -DNA virusTransmitted by faeco-oral routeCan be transmitted from mother to child Perinatal transmissionContains reverse transcriptase  <response>: Hepatitis B is not transmitted by feco-oral route . Hepatitis A and Hepatitis E is transmitted by this route. Mode of transmission of Hepatitis viruses: 1. HAV -Feco-oral 2. HBV -Blood MC, Sexual, Veical 3. HCV -Blood MC, Sexual -, Veical - 4. HDV -Blood MC, Sexual, Veical 5. HEV -Feco-oral HBV is the only DNA virus among hepatitis viruses; family Hepadnaviridae. All other hepatitis viruses are single stranded RNA viruses. P gene of HBV is the largest and codes for polymerase P protein, having 3 enzymatic activities: i DNA polymerase activity, ii Reverse transcriptase activity and iii RNase H activity. 