PYQ Vault

Day 1: MH HSC Class 12 Biology

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

  1. Question 1

    Ecosystems and Energy Flow. Asked 2 times: Jul 2024, Jun 2026

    Q. 17
    Explain leaching, humification and mineralization as the steps of decomposition process.

  2. Question 2

    Origin and Evolution of Life. Asked 2 times: Feb 2026, Jun 2026

    Q. 12
    Give the skeletal features of Homo erectus.

  3. Question 3

    Plant Water Relation. Asked 2 times: Jul 2025, Jun 2026

    Q. 19
    With the help of a labelled diagram, describe the structure of root-hair.

  4. Question 4

    Respiration and Circulation. Asked 2 times: Jul 2025, Jun 2026

    Q. 25
    Differentiate between inspiration and expiration during breathing process.

  5. Question 5

    Respiration and Circulation. Asked 2 times: Jul 2025*, Jun 2026 (* = numbers or wording changed that year)

    Q. 27
    Give location and function of any four valves present in human heart.