12th Class Biology Sample Paper Biology - Sample Paper-8

  • question_answer
    Write a short note on detection of cancer.

    Answer:

    Cancer detection is considered to be the first step towards treatment. Its early detection is essential for its cure. Some of the ways to detect cancer are
    Biopsy: A piece of the suspected tissue cut into thin section is stained and examined under microscope.
    MRI (Magnetic Resonance Imaging): It uses strong magnetic fields and non-ionising radiations to accurately detect pathological changes in the living tissue. 
    Antibodies against cancer-specific antigens are also used for the detection of certain cancers. 
     


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