PYQ Vault

Day 8: MH HSC Class 12 Biology

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

  1. Question 1

    Organisms and Populations. This type asked 2 times: Jul 2024, Jul 2025. This one: Jul 2025

    Q. 1(vii)
    Identify the type of association between orchid growing as an epiphyte on branch of mango tree.

    Tap an option to check your answer.

  2. Question 2

    Respiration and Circulation. This type asked 2 times: Mar 2024, Jul 2025. This one: Jul 2025

    Q. 7
    Identify the disorders showing following symptoms : (a) Constriction of bronchioles, mucus build up in bronchioles, periodic wheezing, difficulty in breathing. (b) Inflammation of sinuses and mucous discharge.

  3. Question 3

    Plant Growth and Mineral Nutrition. This type asked 2 times: Mar 2024, Jul 2024. This one: Jul 2024

    Q. 23
    Give physiological effects and applications of cytokinin.

  4. Question 4

    Biotechnology. Asked once: Feb 2026 (same type asked 4 times)

    Q. 1(ii)
    The transgenic plant Tomato contains transgene _____ for the production of flavonoids.

    Tap an option to check your answer.

  5. Question 5

    Biotechnology. Asked once: Jul 2025 (same type asked 3 times)

    Q. 2(iv)
    What is the term, when nucleotides on DNA strands shows the following sequence of base pairs. 3'...........CTT AAG............5' 5'...........GAA TTC............3'