The number of nuclei migrating from each of the micropylar quartet and chalazal quartet to the centre of the normal embryo sac is
Indicate the stages where meiosis and mitosis occur $(1,\, 2$ or $3)$ in the flow chart.Megaspore mother cell $\xrightarrow{1}$ Megaspores $\xrightarrow{2}$ Embryo sac $\xrightarrow{3}$ Egg
What do the following parts of a flower develop into after fertilisation ? $(a)$ Ovary $(b)$ Ovules.
Location and Function :
$1.$ Nucellus
$2.$ Filiform structures