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Q.

Double fertilization is unique to angiosperms in which one male gamete fuse with ___A____ to from ___B___ and the other male gamete fuse with __C__ to from ____D____.

Choose the correct option for A,B,C and D :
 

 ABCD
1.Egg cellZygotePolar nucleiSecondary nucleus
2.Egg cellZygoteSecondary nucleusPrimary endosperm nucleus
3.Egg cellEmbryo AntipodalsPerisperm
4.SynergidsEmbryoCentral CellEndosperm

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a

1

b

2

c

3

d

4

answer is B.

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Detailed Solution

During double fertilization, one of the male gametes fuses with the egg cell (syngamy) to form a zygote. The other male gamete fuses with the diploid secondary nucleus to produce the triploid primary endosperm nucleus (PEN).

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