Q.

Endosperm of angiosperm is formed 

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a

from the product of triple fusion

b

from the product of syngamy

c

from megaspore

d

directly from nucellus

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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