The role of triple fusion in angiosperms is to produce

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

$A$ – Due to meiosis is $MMC$, microspore tetrads produce

$R$ – $MMC$ is a large cell containing dense cytoplasm and a prominent nucleus

What is the direction of micropyle in anatropous ovule

A pollen tube grows down the style because