Question

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Answer 1

The hilum of a liberated seed is a small scar marking its former place of attachment. The short ridge (raphe) that sometimes leads away from the hilum is formed by the fusion of seed stalk and testa. In many seeds, the micropyle of the ovule also…

Micropyle (botany) a minute opening in the integument of an ovule of a seed plant. Micropyle (zoology), a differentiated area of surface in an egg, through which a sperm enters.

The endosperm is the tissue produced inside the seeds of most of the flowering plants following fertilization. It surrounds the embryo and provides nutrition in the form of starch, though it can also contain oils and protein. This can make endosperm a source of nutrition in the human diet.

Answer 2

hilum-a hilum is a scar or mark left on a seed coat by the former attachment to the ovary wall or to the funiculus.
micropyle- when soaked in water the seed absorb the water mainly through the micropyle and make it available to the embryo for germination.
endosperms- it surrounds the embryo and provide nutrition in the form of the starch though it could contain oils and proteins. This can make endosperms a source of nutrition in human diet.
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