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Question
Which of the following is not present in all the mature seeds?
Which of the following is not present in all the mature seeds?
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Solution
The correct option is B endosperm
Seed is the final product of sexual reproduction in angiosperms. The ovule transforms into seed after fertilisation. Hence seed is also called fertilised ovule.
A typical seed has an embryonal axis, cotyledons and seed coat.
The embryonal axis has a plumule and radicle.
The seeds of dicots have two cotyledons and the seeds of monocots have a single cotyledon.
Seed coat protects the seed.
In certain mature seeds, endosperm is completely absent as it is consumed by the developing embryo. Such seeds are called non-endospermic seeds.
In certain seeds, the endosperm is not completely consumed by the embryo and a certain amount of endosperm is present in the mature seed. Such seeds are called endospermic or albuminous seeds.
Seed is the final product of sexual reproduction in angiosperms. The ovule transforms into seed after fertilisation. Hence seed is also called fertilised ovule.
A typical seed has an embryonal axis, cotyledons and seed coat.
The embryonal axis has a plumule and radicle.
The seeds of dicots have two cotyledons and the seeds of monocots have a single cotyledon.
Seed coat protects the seed.
In certain mature seeds, endosperm is completely absent as it is consumed by the developing embryo. Such seeds are called non-endospermic seeds.
In certain seeds, the endosperm is not completely consumed by the embryo and a certain amount of endosperm is present in the mature seed. Such seeds are called endospermic or albuminous seeds.
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