A) Discovered by Nawaschin
B) Male gamete and secondary nucleus fused to form endosperm nucleus
C) Endosperm nucleus is diploid
D) Endosperm provides nutrition to embryo
Correct Answer: C
Solution :
Double fertilization is characterisetic feature of angiosperms. It was discovered by S.G. Nawaschin in 1898. In double fertilization one male gamete fused with ovum to form diploid zygote and the second male gamete fused with diploid secondary nucleus to form the triploid primary endosperm nucleus, which develops into endosperm. The endosperm provides nutrition to the developing embryo.
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