Assertion (A) : Double fertilization is the characterstic feature of spermatophytes.
Reason (R) : The occurrence of two fertilizations within the same embryo sac is called double fertilization.

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Both A and R are true and R is the correct explanation of A

Both A and R are true and R is not the correct explanation of A

A is true but R is false

A is false but R is true

answer is D.

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Detailed Solution

Assertion (A) is false. Double fertilization is indeed the characteristic feature of angiosperms.

Reason (R) is true. It is a reproductive process in which two fertilization events occur within the same embryo sac of the angiosperm. One sperm fertilizes the egg to form a zygote, which develops into the embryo, while the other sperm fertilizes the central cell's polar nuclei to form the endosperm.

Hence, A is false but R is true.

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