Question

Which structure is formed from the primary endosperm nucleus?

Options

• Cotyledon

• Seed coat

• Endosperm (triploid nutritive tissue)

• Embryonal axis

Answer 1

The primary endosperm nucleus undergoes triple fusion during double fertilisation to form the endosperm, which is nutritive tissue with a triploid (3n) chromosome number. The endosperm serves as stored food material that nourishes the developing embryo and the young seedling during germination.