Conceptual Life sciences/Biology by Ashraf Sir

Conceptual Life sciences/Biology by Ashraf Sir creative, creating , inventive, searching researchers....

25/06/2023

Can we call gametophytes in lower plants is endosperm?
Yes or not!

creative, creating , inventive, searching researchers....

23/11/2022

Q. Some time parenchyma cells start to divide
1. monocote- herb,shrub,tree.
2.dicot tree &shrub
only
3.Dicot herb shrub and tree
4.All are above
5.NOTA
Hints.-cork cambium, vascular cambium and secondary growth

21/11/2022

Because chara is a gametophyte plant and this gametophyte plant produce by spore and spore produce by zygote (sporophyte .by meiosis)i.e homospory(zygospore).
So in chara gametophyte plant only gamet form in gametengia not spore because spore always form from 2n sporophyte body in sporangia Ashraf Ali

creative, creating , inventive, searching researchers....

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18/11/2022

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08/11/2022
08/11/2022

And all gamet in plant kingdom formed by mitosis because here sporic meiosis occurs not gametic. Ashraf Ali
Exceptional rarely one or two species

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