Q.

The ploidy of the endosperm in gymnosperms and angiosperms respectively are

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a

triploid in both.

b

diploid in both.

c

haploid in gymnosperms and triploid in angiosperms.

d

diploid in gymnosperms and triploid in angiosperms

answer is C.

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Detailed Solution

In gymnosperms the endosperm represents the female gametophyte. Therefore, it is haploid.In angiosperms the endosperm is formed from PEN. PEN develops after the fusion of secondary nucleus with the male gamete. Therefore, it is triploid.
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The ploidy of the endosperm in gymnosperms and angiosperms respectively are