<prompt> Which of the following oncogenic viruses is so far not shown to be oncogenic in man -Hepatitis B virusEpstein - Barr virusHerpes simplex Type 2Adenovirus  <response>: Ans. is d i.e., Adenovirus . Adenovirus type 12 and 18 produce sarcoma when inoculated into baby hamsters. . However there is no evidence at all relating adenoviruses to natural malignancy in human or animals. . All other viruses given in option are oncogenic in man. 