Question

Micropyle in seed helps the entry of:

• A. pollen tube
• B. water
• C. male gamete
• D. female gamete

Answer 1

The correct option is B

water

The correct option is A

Explanation of the correct answer:

1. The micropyle is the minute opening present at the tip of the seed where the integument of the ovule does not cover the nucellus in the ovule.
2. The pollen tube takes entry into the ovule by the micropylar region.
3. It is positioned as a small pore above the hilum in the seed.
4. It helps in the absorption of water and seed germination.

Explanation fo the incorrect answer:

Option A:

The pollen tube enters the ovule by micropyle.

Option C:

Male gametes help in fertilization.

Option D:

Female gametes help in fertilization.

Final answer: Micropyle in seed helps the entry of water.