PYQ Vault

Day 24: MH HSC Class 12 Biology

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

  1. Question 1

    Biotechnology. Asked once: Jul 2024

    Q. 13
    Give any two examples of commercially exploited products of transgenic plants.
  2. Question 2

    Control and Coordination. Asked once: Feb 2026

    Q. 13
    Write briefly on Alzheimer’s disease.
  3. Question 3

    Ecosystems and Energy Flow. Asked once: Mar 2024

    Q. 1(viii)
    Which one of the following does not evolve further?

    Tap an option to check your answer.

  4. Question 4

    Enhancement of Food Production. Asked once: Feb 2026

    Q. 7
    Give any four advantages of micropropagation.
  5. Question 5

    Human Health and Diseases. Asked once: Feb 2026

    Q. 1(viii)
    The mature plasma cell produces antibodies at the rate of _____ molecules per second.

    Tap an option to check your answer.