Microbiology General d882eff4 Laryngeal papillomas is caused by which HPV ? A 6, 11 B 16, 18 C 33, 45 D 4, 27 High-Yield Explanation Ans. is 'a' i.e.,6, 11Laryngeal papillomatosis is wa with commmonly site of invovement is larynx and respiratory tract,involving HPV type 6 and 11.