How many meiotic divisions are necessary to produce $100$ pollen grains
$100$
$25$
$50$
$20$
Meiosis can be observed in
$A$ : Each cell of the sporogenous tissue is capable of giving rise to a microspore tetrads.
$R$ : Most abundant microspore tetrads is the product of simultaneous cytokinesis.
Microspore tetrads forms due to meiotic division occurs in......