The microspore is the first cell of the.......

$A$: The generative cell comes to lie freely in the cytoplasm of the tube cell.
$R$: The cellulosic wall around the generative cell is dissolved.

Palynology deals with the study of

What are the characteristic features of the endothecium layer in the anther of $Capsella$?

One pollen mother cell may produce four germinating pollen grains,each with two male nuclei and one tube nucleus. How many meiotic divisions are necessary to bring this about?

The pollen grain represents