This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
Which of the following hepatitis viruses is a DNA virus - 
Select and explain. 
A. Hepatitis C virus, B. Hepatitis B virus, C. Delta agent, D. Hepatitis E virus
B: Hepatitis B virus
Answer: B: Hepatitis B virus 
Explanation: Hepatitis viruses are taxonomy unrelated, except for type B which is a DNA virus all the others are RNA viruses. REF:ANANTHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO-540