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Q.
Embryo sac is to ovule as _____ is to an anther.
Sexual Reproduction in Flowering Plants
Solution:
A typical carpel consists of ovary which can have many ovules. Each ovule has an embryo sac, which in turn has a single egg cell. Similarly, in majority of angiosperms each stamen consists of a bilobed anther, which in turn has two pollen sacs in each lobe, consisting of pollen grains.