A) fusion of one male gamete with female gamete
B) fusion of tube nucleus with generative nucleus
C) fusion of two polar nuclei
D) fusion of second male gamete with two polar nuclei
Correct Answer: D
Solution :
[d] The correct option is [d]. Second male gamete fuses with two polar nuclei to form a triploid Primary Endosperm Nucleus (PEN). This is called triple fusion.
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