The functional megaspore undergoes
$2$ meiotic divisions to form mature embryo sac
$3$ mitotic divisions to form mature embryo sac
$2$ mitotic divisions to form mature embryo sac
$3$ meiotic divisions to form mature embryo sac
The formation of embryo sac is called
Identify the given figure :
An angiospermic plant is having $24$ chromosomes in its leaf cells. The number of chromosomes present in synergid, pollen grain, nucellus & endosperm will be respectively
Megaspores are produced from the megaspore mother cells after