The reduced male gametophytes which develop from microspores , are called
archegonia
micropyle
pollen grains
Embryo sac
Pollen Grains -
The reduced male gametophytes which develop from microspores and are highly reduced and confined to only a limited number of cells .
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Pollen grtains are drawn into the ovule and deposit in pollen chamber or come in direct contact with nucellar beak where they germinate