PYQ Vault

Day 28: MH HSC Class 12 Biology

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

  1. Question 1

    Inheritance and Variation. Asked once: Jul 2025

    Q. 10
    Enlist the types of chromosomes on the basis of position of centromere.

  2. Question 2

    Molecular Basis of Inheritance. Asked once: Jul 2025

    Q. 1(vi)
    Identify initiation codon of mRNA from the following.

    Tap an option to check your answer.

  3. Question 3

    Organisms and Populations. Asked once: Mar 2024

    Q. 2(viii)
    Explain the term Emigration.

  4. Question 4

    Origin and Evolution of Life. Asked once: Jul 2025

    Q. 4
    Mention any two molecular evidences of evolution.

  5. Question 5

    Plant Growth and Mineral Nutrition. Asked once: Feb 2026

    Q. 14
    Calculate the amount of ATP required by nitrogen fixer for the formation of 1000 molecules of ammonia. Name the specialised cell of cyanobacteria where nitrogen is fixed.