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
Positive sense nucleic acid genome is found in - 
Select and explain. 
A. Polio virus, B. Papovavirus, C. Influenza, D. Picornavirus
A: Polio virus
Answer: A: Polio virus 
Explanation: The genome of polio virus is a positive sense RNA REF:ANANTHANARYANAN TEXT BOOK OF MICROBIOLOGY 9EDITION PGNO.485