All are oncogenic viruses except -: (A) EB virus, (B) Reo virus, (C) Retrovirus, (D) Human papilloma virus
Answer is B. oncogenic DNA virus includes papovavirus,poxvirus,adenovirus,herpesvirus,hepatitis B virus and oncogenic RNA virus include Retrovirus. REF:ANANTHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO-564-568