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Explain the role of tapetum in the forma...

Explain the role of tapetum in the formation of pollen grain wall

A

Formation of aril.

B

Secretion of ubisch bodies which produces sproropollenin for exine formation

C

Secretion of pollen kit for entomophllous pollen grains

D

Secretion of callase enzyme for dissolving callose around microspore tetrad

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The correct Answer is:
A
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