Question

What occurs after double fertilisation?

• A. Pollen grain germinates over stigma
• B. Two male gametes are discharged into embryo sac
• C. Pollen tube enters the embryo sac
• D. PEN develops into endosperm

Answer 1

The correct option is D PEN develops into endosperm

Post-fertilisation events

Post-fertilisation events are the events that occur after the successful double fertilisation in angiosperms.

● Development of endosperm from primary endosperm nucleus.
● Development of embryo from the zygote.
● Maturation of ripened ovule and ovary to seed and fruit respectively.

Correct answer : (d) PEN develops into endosperm