PYQ Vault

How the male germ cell reaches the ovary (pollen tube)

The same question, asked 3 times: 2022*, 2025*, 2026. Every wording below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    2022

    10
    In flowering plants, the pollen grains are transferred to stigma by pollination but the female germ cells are present in the ovary. Explain with the help of a labelled diagram (only concerned parts), how the male germ cell reaches the ovary.
  2. Question 2

    2025

    35 (a)
    (i) Identify the parts ‘X’ and ‘Y’ in the figure given below : (ii) Name the yellowish coloured structures produced by the part labelled as ‘Y’. (iii) Write the name of the process by which these are transferred to the part labelled as ‘X’. (iv) Explain the process of seed formation in a flowering plant.
  3. Question 3

    2026

    12
    Draw a neat diagram to show germination of pollen on the female reproductive part of the flower. Name and label only the following parts : (a) The part that receives the pollen grain. (b) The structure that carries the male germ cell to reach the female germ cell.