PYQ Vault

Pollination and fertilisation

This type of question, asked 4 times: 2023, 2024, 2025, 2026. All 7 questions below, oldest first.

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  1. Question 1

    2023

    35
    Give reason for the following : (a) During reproduction inheritance of different proteins will lead to altered body designs. (b) Fertilization cannot take place in flowers if pollination does not occur. (c) All multicellular organisms cannot give rise to new individuals through fragmentation or regeneration. (d) Vegetative propagation is practised for growing only some type of plants. (e) The parents and off-springs of organisms reproducing sexually have the same number of chromosomes.
  2. Question 2

    2023

    14
    Consider the following three flowers namely X, Y and Z. Which flower(s) would develop into a fruit ?

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  3. Question 3

    2024

    28
    (a) In angiosperms why fertilisation cannot take place in flowers if pollination does not take place ? Where is zygote located in a flower after fertilisation ? What does it develop into ? (b) Write the names of those parts of a flower which serve the same function as the following do in animals : (i) testis (ii) ovary
  4. Question 4

    2025

    9
    Which of the following is the correct sequence of parts of female reproductive system of flowering plants in terms of their placement ?

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  5. Question 5

    2026

    11 (b)
    State two differences between pollination and fertilization.
  6. Question 6

    2026

    6
    Which of the following represents the correct sequence of events of sexual reproduction in a flower ?

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  7. Question 7

    2026

    2
    If the part ‘P’ of the flower is removed, which of the following processes will not take place ?

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