The ploidy level of nucellus and female gametophyte respectively is
$n$, $n$
$n$, $2$$n$
$2$$n$, $n$
$2$$n$, $2$$n$
Draw the diagram of a mature embryo sac and show its $8-$ nucleate, $7-$ celled nature. Show the following parts : antipodals, synergids, egg, central cell, polar nuclei.
Egg apparatus of angiosperms consist of
What is meant by monosporic development of female gametophyte?
Megasporangia arise from the ....
A linear tetrad of $4$ cells lying in an axial row is formed during the development of