A) embryo sac
B) ovule
C) endosperm
D) zygote
Correct Answer: A
Solution :
Embryo sac is a cell that develops in the ovule of flowering plants. It is equivalent to the female gametophyte of lower plants, although it is very much reduced. Typically it contains eight nuclei formed by free nuclear division of megaspore mother cell. Megaspore mother cell divides by meiosis to give rise to four haploid megaspores. One of the megaspores develops into the embryo sac the others abort.
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