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Human Health and Disease — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYHuman Health and Disease1 Mark
MCQ
Cancer is:
  • A
    Uncontrolled growth of tissues.
  • B
    Non-malignant tumor.
  • C
    Controlled division of tissues.
  • D
    None of the above.
✓

Answer

  1. Uncontrolled growth of tissues.

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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