(C) The nucellus is a diploid $(2n)$ parenchymatous tissue,not a haploid $(n)$ tissue.In some plants like black pepper and beet,a part of the nucellus

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Assertion is correct,but Reason is incorrect.

(C) The nucellus is a diploid $(2n)$ parenchymatous tissue,not a haploid $(n)$ tissue.In some plants like black pepper and beet,a part of the nucellus remains persistent in the seed,which is known as the perisperm.Therefore,the Assertion is correct,but the Reason is incorrect.

Class 12 Biology Sexual Reproduction in Flowering Plants Seed and Fruit

Medium

$A$: Nucellus remains persistent in the seeds of black pepper.
$R$: It is a haploid parenchymatous tissue.

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