A) triple fusion
B) true fertilization
C) syngamy
D) generative fertilization
Correct Answer: A
Solution :
Vegetative fertilization occurring in angiosperms is also known as triple fusion. It involves the fusion of second male gamete with two polar nuclei or their fusion product (ie, secondary nucleus). This results in the formation of a triploid primary endosperm nucleus (PEN) which divides and gives rise to the triploid endosperm. True fertilization or generative fertilization and syngamy involves the fusion of first male gamete with the egg and results into a diploid zygote.
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