<prompt> Most common tumour caused by virus is ?WasCarcinoma cervixNasopharyngeal corcinomaLymphoma  <response>: Ans. is a i.e., Was Human papilloma virus . Was are caused by Human papillomavirus HPV . HPV DNA of oncogenic types High risk in HPV-16, 18, 31, 33 and 45 -- associated with cervical cancer . HPV-6 and 11 Low risk HPV -- associated with precursor lesions of cervical cancer CIN and Condyloma Acuminatum. . In patients with epidermodysplasia vcrruciformis, Squamous cell cancer develop frequently at sites infected with specific HPV types, including 5 and 8. . E6 and E7 genes of HPV are responsible for carcinogenicity. Common was Verruca vulgaris are found in as many as 25 of some group and are most prevalent among children Condyloma accuminatum anogenital was is one of the most common sexually transmitted diseases 