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Q.
In angiosperms, ___________ nuclei participate in fertilization.
NTA AbhyasNTA Abhyas 2022
Solution:
Angiosperms show double fertilization. In syngamy, there is a fusion of one male and one female gamete having one nucleus each. In triple fusion, there is a fusion of one male gamete having one nucleus and two polar nuclei. Thus, five nuclei (2 polar nuclei, 1 egg nuclei, 2 male gametes) participate in double fertilization.