MCQ
Cancer is:
- AUncontrolled growth of tissues.
- BNon-malignant tumor.
- CControlled division of tissues.
- DNone of the above.
Explanation:
Cancer cells rapidly undergo mitosis. It usually spreads through the blood or the lymph system.
It is mainly caused due to the mutagens which cause a sudden heritable change in the DNA content which leads to fatal abnormalities.
It can be easily damaged by the radiation.
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$(1)$ medical termination of pregnancy $(MTP)$ during first trimester is generally safe
$(2)$ generally chances of conception are nil until mother breast feeds the infant upto two years
$(3)$ intrauterine devices like copper $T$ are effective contraceptives
$(4)$ contraception pills may be taken upto one week after coitus to prevent conception.
Which two of the above statements are correct?