PYQ Vault

Day 21: MH HSC Class 12 Biology

5 questions. Try each one first, then open its answer.

  1. Question 1

    Biotechnology. Asked once: Feb 2026

    Q. 31
    Describe in brief : (a) What is germ line gene therapy? Why is it not encouraged? (b) Explain somatic cell gene therapy. Mention any two acquired disorders for which it is used.

  2. Question 2

    Control and Coordination. Asked once: Jun 2026

    Q. 2(v)
    Which part of human brain is responsible for maintaining body balance?

  3. Question 3

    Ecosystems and Energy Flow. Asked once: Jul 2025

    Q. 2(viii)
    Name the long term storage places of carbon in the form of rocks and fossil fuels which are away from carbon cycle.

  4. Question 4

    Enhancement of Food Production. Asked once: Feb 2026

    Q. 26
    (a) What is biofertilizer? (b) Draw and label the T.S. of root nodules.

  5. Question 5

    Human Health and Diseases. Asked once: Feb 2026

    Q. 22
    Define addiction. Give the physiological effects of : (a) Cocaine (b) Cannabinoids