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 is an RNA virus? 
Select and explain. 
A. Hepatitis B virus, B. Hepatitis C virus, C. Herpes virus, D. Adenovirus
B: Hepatitis C virus
Answer: B: Hepatitis C virus 
Explanation: Ref: Ananthnarayan and Paniker's Textbook of Microbiology, 8th ed. pg. 545DNA and RNA virusDNA virusRNA virus* Pox virus: largest virus* Parvovirus: smallest virus* Adenovirus* Papovavirus* Hepadna virus* Herpesvirus* Rotavirus: only double stranded RNA virus* Orthomyxovirus* Reovirus* Bunya virus* Arena virus* Hepatitis A, C, D, E virus* Picorna, polio, coxsackie, echo and entero virus.