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 :

A B C D
1. Egg cell Zygote Polar nuclei Secondary nucleus
2. Egg cell Zygote Secondary nucleus Primary endosperm nucleus
3. Egg cell Embryo Antipodals Perisperm
4. Synergids Embryo Central Cell Endosperm

Easy

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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