PYQ Vault

Day 29: MH HSC Class 12 Biology

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

  1. Question 1

    Plant Water Relation. Asked once: Jul 2025

    Q. 30
    What is transpiration? Draw well labelled diagram showing structure of stomatal apparatus in dicotyledons? Mention any three advantages of transpiration.

  2. Question 2

    Reproduction in Lower and Higher Animals. Asked once: Feb 2026

    Q. 2(i)
    Give the function of Leydig’s cells.

  3. Question 3

    Reproduction in Lower and Higher Plants. Asked once: Jul 2025

    Q. 21
    Describe the development of male gametophyte from microspore. Draw a neat labelled diagram of male gametophyte.

  4. Question 4

    Respiration and Circulation. Asked once: Feb 2026

    Q. 3
    Give the features of respiratory surface for gaseous exchange.

  5. Question 5

    Biodiversity, Conservation and Environmental Issues. Asked once: Jul 2024

    Q. 22
    Describe any three causes for loss of biodiversity.