PYQ Vault

Day 35: MH HSC Class 12 Biology

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

  1. Question 1

    Enhancement of Food Production. Asked once: Jul 2025

    Q. 6
    Define the terms : (a) Explant (b) Callus

  2. Question 2

    Human Health and Diseases. Asked once: Mar 2024

    Q. 17
    Explain unique features of acquired immunity.

  3. Question 3

    Inheritance and Variation. Asked once: Jul 2024

    Q. 15
    Suggest the specific term for the following : (a) Both male and female reproductive organs present in same organism. (b) Y- linked gene (c) Unfertilised egg develops into haploid male bee.

  4. Question 4

    Molecular Basis of Inheritance. Asked once: Jul 2024

    Q. 3
    (a) Why DNA replication is called semi-conservative replication? (b) Name the scientist who experimentally proved the same.

  5. Question 5

    Origin and Evolution of Life. Asked once: Jul 2024

    Q. 8
    Explain any two causes of genetic variation.