The micropyle which remains as a small pore in the seed coat helps
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a
in maintaining the seed dormancy for prolonged period of time.
b
in entry of oxygen and water into the seed during germination.
c
maturation of ovule into the seed.
d
slows down the general metabolic activity of the embryo.
answer is B.
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Detailed Solution
Micropyle in the ovule is the place where integuments are absent. Post-fertilization the micropyle remains as a small pore in the seed coat. This facilitates entry of oxygen and water into the seed during germination.