A) Fusion of egg cell twice with male gametes
B) Fusion of two egg cells with two male gametes
C) Fusion of one male gamete with the egg cell and the other male gamete with secondary nucleus
D) Fusion of one mate gamete with the egg cell and the other male gamete with the synergid
Correct Answer: C
Solution :
Double fertilisation is the fusion of one male gamete with the egg cell and the other male gamete with he secondary nucleus. This fusion is also called triple fusion as three nuclei fuse and it is found only in angiosperms. Double fertilisation results in triploid endosperm.
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