The ploidy level of nucellus and female gametophyte respectively is
$n$, $n$
$n$, $2$$n$
$2$$n$, $n$
$2$$n$, $2$$n$
The functional megaspore undergoes
Filiform apparatus is found in which part of angiosperms
Stalk with which ovules remain attached to placenta is called
Which is the most common type of embryo sac in angiosperms ?
In given figure, labeled part $X$ is formed by....