How many pollen grains are formed from $10$ microspore mother cells by meiosis
$80$
$40$
$20$
$10$
It’s obvious.
$A$ – Only some cells of the sporogenous tissue is capable of giving rise to microspore tetrad.
$R$- The microspores are arranged in a cluster of four cells – the microscopic tetrad.
Tapetal cells are characterized by
$A$ : 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.
Endothecium and tapetum in anther are derived from
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