Solution

The functional megaspore forms the embryo sac.

The megaspore is the first cell of the female gametophytic generation in angiosperms. It undergoes three successive free-nuclear mitotic divisions to form the 8-nucleate, 7-celled embryo sac.

Concept megaspore-embryo-sac

Sexual Reproduction in Flowering Plants in past papers

126 questions from this chapter have appeared across 26 exam years.