(A) The process of double fertilization involves the fusion of one male gamete $(n)$ with the secondary nucleus $(2n)$ to form the primary endosperm n

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(A) The process of double fertilization involves the fusion of one male gamete $(n)$ with the secondary nucleus $(2n)$ to form the primary endosperm nucleus $(3n)$.This process is known as triple fusion.The primary endosperm nucleus develops into the endosperm,which is a triploid $(3n)$ nutritive tissue.The endosperm provides essential nutrients to the developing embryo.

Class 12 Biology Sexual Reproduction in Flowering Plants Endosperm

Medium

Assertion: Endosperm is a nutritive tissue and it is triploid.
Reason: Endosperm is formed by the fusion of the secondary nucleus with the second male gamete. It is used by the developing embryo.

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A
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
B
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
C
If the Assertion is correct but Reason is incorrect.
D
If both the Assertion and Reason are incorrect.