Read the following and answer any given below:Cancer is a dreaded disease. In the world the most of the deaths occur due to this disease. In India, more than million people suffer from cancer. Cancer is a disease of uncontrolled proliferation of cell without any differentiation. It is of two types (i) Beningn tumour, (ii) Malignant tumour. Cancer is neither hereditary not a contagious disease chemical and physical agents that can cause cancer are called carcinogens e.g. x – rays, UV rays, caffeine, steroid, arsenic air, soot, diethylstilbestrol (DES), vinyl chloride (VC), cadmium oxide. Several genes in the host called cellular oncogenes or proto- oncogenes have been identified which under certain conditions on getting activated could lead to oncogenic transformation of cells. Tumour suppressor genes normally keep mitosis in check and prevent cancer from occurring.(i) Which factors causes cancer ? a. Antibody b. Carcinogen c. Metastasis d. Antigen (ii). Viruses which causes cancer are known as a. Oncogenic virus b. Retrovirusc. HIV d. None of the above (iii). Which of the following is incorrect about cancer a. Cancer is not a contagious disease b. X-rays can cause cancer c. Oncogenes are responsible for cancer d. Cancer is a hereditary disease (iv). Which of the following does not causes cancer a. X-rays and caffeine b. Vinyl-chloride and cadmium oxide c. Pollen grain and adrenaline d. Steroid and arsenic air (v). Assertion: In India, more than million people suffer from cancer Reason: Cancer is a contagious disease a. Both assertion and reason are true, and reason is the correct explanation of assertion. b. Both assertion and reason are true, but reason is not the correct explanation of assertion. c. Assertion is true but reason is false d. Both assertion and reason are false.