PYQ Vault

Day 10: MH HSC Class 12 Biology

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

  1. Question 1

    Human Health and Diseases. Asked once: Jul 2024 (same type asked 2 times)

    Q. 14
    Write causative agent, two symptoms and mode of transmission of typhoid.

  2. Question 2

    Inheritance and Variation. Asked once: Feb 2026 (same type asked 2 times)

    Q. 2(iii)
    Name the gene which is inherited directly from father to son.

  3. Question 3

    Molecular Basis of Inheritance. Asked once: Mar 2024 (same type asked 2 times)

    Q. 4
    Arrange the following steps of DNA fingerprinting in correct sequence : (a) Gel electrophoresis (b) Isolation of DNA (c) Southern blotting (d) Restriction digestion

  4. Question 4

    Organisms and Populations. Asked once: Mar 2024 (same type asked 2 times)

    Q. 10
    Describe mutualism.

  5. Question 5

    Plant Growth and Mineral Nutrition. Asked once: Jul 2025 (same type asked 2 times)

    Q. 23
    Give deficiency symptoms of following elements in plants : (a) Potassium (K+\text{K}^{+}) (b) Magnesium (Mg++\text{Mg}^{++}) (c) Boron (BO−3\text{BO}^{-3})