<prompt> Which of the following statements about carcinogenesis is false?Asbestos exposure increases the incidence of lung cancerPapilloma viruses produce tumors in animals but not in humansExposure to aniline dyes predisposes to cancer of the urinary bladderHepatitis B virus has been implicated in hepatocellular carcinoma  <response>: Ans. is b i.e. papilloma viruses produce tumours in animals but not in human Human papilloma virus is the most common etiological factor for cervical cancer.Carcinogens and associated Cancers or Neoplasms:CarcinogensAssociated cancer or neoplasm Alkylating agentsAcute myelocytic leukemia bladder cancer AndrogensProstate cancer Aromatic amines dyes aniline dyesBladder cancer ArsenicCancer of the lung, skin AsbestosCancer of the lung, pleura, Peritoneum Benzene vAcute myelocytic leukemia ChromiumLung cancer Diethylstilbestrol PrenatalVaginal cancer clear cell Epstein-Barr virusBurkitts lymphoma, nasal T-Cell lymphoma EstrogensCancer of the endometrium liver, breast Ethyl alcoholCancer of the liver, esophagus, head and neck Helicobacter pyloriGastric cancer Hepatitis B or C virusLiver cancer Human immunodeficiency virusNon-Hodgkins lymphoma, Kaposis sarcoma, squamous cell carcinomas specially of the urogenital tract Human papilloma virus Human T cell lymphotropic virus type 1 HTLV-1Adult T cell leukemialymphoma Immunosuppressive agents azathioprine, cyclosporine, glucocorticoidsNon-Hodgkins lymphoma Nitrogen mustard gasCancer of the lung, head and neck, nasal sinuses Nickel dustCancer of the lung, nasal sinuses PhenacetinCancer of renal pelvis and bladder Polycyclic hydrocarbonsCancer of the lung, skin especially squamous cell carcinoma of scrotal skin SchistosomiasisBladder cancer squamous cell Sunlight ultravioletSkin cancer squamous cell melanoma Tobacco including smokelessCancer of the upper aerodigestive tract, bladderVinyl chlorideLiver cancer angiosarcoma 