Which of the following layers of the microspo | vedclass

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(D) The microsporangium is surrounded by four wall layers: the epidermis,endothecium,middle layers,and tapetum.$1$. The outer three wall layers (epide

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Tapetum

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(D) The microsporangium is surrounded by four wall layers: the epidermis,endothecium,middle layers,and tapetum.$1$. The outer three wall layers (epidermis,endothecium,and middle layers) perform the function of protection and help in the dehiscence of the anther to release the pollen.$2$. The innermost wall layer is the $Tapetum$.$3$. The $Tapetum$ nourishes the developing pollen grains.Therefore,the correct option is $D$.

Which of the following layers of the microsporangium provides nutrition to the developing pollen grains?

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