There may be more than one embryo sac in an ovule due to which of the following reasons?
A. The embryo sacs may be derived from the same megaspore mother cell
B. Two or more megaspores may be formed to give rise to the embryo sacs
C. The nucellar cells behave as embryo sacs
D. All of the above
Answer: Option D
This Question Belongs to Biology GK Chapter Wise >> Plant Anatomy And Physiology
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