Fertilized embryo sac is shown in the diagram. P and Q are results of …………. and ……….. respectively.
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a
double fertilization, syngamy
b
triple fusion, syngamy
c
syngamy, parthenocarpy
d
syngamy, triple fusion
answer is D.
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Detailed Solution
P is the zygote which is formed by fusion of the male gamete with the female gamete (syngamy). Q is the primary endosperm nucleus and is formed by fusion of male gamete with the two polar nuclei. This is known as triple fusion.