Female gametophyte of angiospermic plants is represented by

 The number of embryo sac in an ovule is generally

Fertilization of egg takes place inside

Identify the type of ovary in diagram

In given figure, labeled part $X$ is formed by....

Assertion: The megaspore mother cell divide mitotically to produce four spores.
Reason: Megaspore mother cells are diploid and megaspore is haploid.