Q.

Endosperm of angiosperm is formed 

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a

directly from nucellus

b

from the product of triple fusion

c

from megaspore

d

from the product of syngamy

answer is A.

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Detailed Solution

In angiosperms, the primary endosperm nucleus or cell is formed due to the fusion of one of the male gametes with the two polar nuclei. Primary endosperm nucleus or cell divides and forms triploid endosperm which is nutritive tissue consumed for the development of embryo.

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