1.

(a) Name the factors that lead to transformation of normal cells into Cancer cells.(b) Name two methods used in the treatment of Cancer.

Answer»

(a) Factors that lead to transformation of normal cells into cancer cells are :

• Environmental factors,

• Smoking,

• Hereditary factors,

• Harmful radiations.

(b) Two methods used in the treatment of cancer are :

(i) Surgery

(ii) Chemotherapy



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