PYQ Vault

Day 41: MH HSC Class 12 Biology

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

  1. Question 1

    Enhancement of Food Production. Asked once: Mar 2024

    Q. 26
    What is lac? Enlist economic importance of Lac.

  2. Question 2

    Origin and Evolution of Life. Asked once: Mar 2024

    Q. 16
    What is reproductive isolation? Describe any two types each of pre-mating and post-mating isolating mechanism.

  3. Question 3

    Plant Growth and Mineral Nutrition. Asked once: Jul 2024

    Q. 1(ix)
    Choose the correct name of phases A, B and C in the given figure :

    Tap an option to check your answer.

  4. Question 4

    Reproduction in Lower and Higher Animals. Asked once: Jul 2024

    Q. 10
    Give the function of Nebenkern and Zona pellucida.

  5. Question 5

    Respiration and Circulation. Asked once: Jul 2024

    Q. 26
    (a) What is hematocrit? (b) Mention the term with respect to – (i) Temporary increase in number of WBCs (ii) Decrease in number of RBCs