PYQ Vault

Day 42: MH HSC Class 12 Biology

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

  1. Question 1

    Control and Coordination. Asked once: Jul 2024

    Q. 18
    What is reflex action? Explain with one example each of the types of reflex actions based on previous experiences.

  2. Question 2

    Enhancement of Food Production. Asked once: Mar 2024

    Q. 14
    Explain the steps involved in preliminary treatment of sewage.

  3. Question 3

    Origin and Evolution of Life. Asked once: Mar 2024

    Q. 2(i)
    What are vestigeal organs?

  4. Question 4

    Plant Growth and Mineral Nutrition. Asked once: Mar 2024

    Q. 12
    What is differentiation and redifferentiation?

  5. Question 5

    Reproduction in Lower and Higher Animals. Asked once: Jul 2024

    Q. 4
    Distinguish between Asexual and Sexual reproduction with reference to : (a) Cell division (b) Genetic makeup