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Changes in a flower after fertilisation

The same question, asked 3 times: 2024*, 2025*, 2026. Every wording below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    2024

    35 (b)
    (i) Study the diagram given below and name the parts marked as A, B and C. What happens when B reaches C in the ovary ? Mention its significance. (ii) Write the post fertilisation changes that occur in a flower.
  2. Question 2

    2025

    30
    (a) Define fertilisation. (b) What happens to Zygote, Ovule, Ovary and Stamens after fertilisation in a flowering plant ?
  3. Question 3

    2025

    35 (A)
    Name the parts marked as ‘A’ and ‘B’ in the given diagram. Write in detail the changes that take place in a flower when the product of ‘B’ reaches ‘A’ till a fruit is formed.
  4. Question 4

    2026

    16 (A)
    (i) In an angiospermic flower, fertilization is said to take place when male gametes carried in the pollen tube fuse with the female gamete, present in the embryo sac. This results in lot of changes in different parts of the flower. State the changes taking place in the following structures of flower post fertilization : (a) Zygote (b) Ovule (c) Ovary (d) Sepals (ii) Define germination.