(D) The Assertion is incorrect because the megaspore mother cell $(MMC)$ undergoes meiosis,not mitosis,to produce four megaspores.The Reason is correc

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If the Assertion is incorrect but the Reason is correct.

(D) The Assertion is incorrect because the megaspore mother cell $(MMC)$ undergoes meiosis,not mitosis,to produce four megaspores.The Reason is correct because the $MMC$ is diploid $(2n)$ and the resulting megaspores are haploid $(n)$.Therefore,the Assertion is false,but the Reason is true.

Class 12 Biology Sexual Reproduction in Flowering Plants The Pistil, Megasporangium (ovule) and Embryo sac

Medium

Assertion: The megaspore mother cell divides mitotically to produce four spores.
Reason: Megaspore mother cells are diploid and megaspore is haploid.

AIIMS 2002 All AIIMS

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 the Assertion is incorrect but the Reason is correct.