A schematic illustration of the pollen grain is called
Pollenogram
Palenogram
Histogram
Parallelogram
It’s obvious.
Branched type of pollen tube is formed in
Identify false fruit.
$A$ : In sporoderm, pectocellulosic layer is surrounded by sporopollenin. $R$ : Exine is differentiated into outer ektexine and inner endexine.
The megaspore mother cell is differentiated from one of the cells of the
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