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Phylogenetic Relationship

The nutritive...

Question

The nutritive tissues in a endospermous seeds are

A

triploid tissues

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B

diploid tissue

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C

haploid tissue

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D

hexaploid tissue

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Solution

The correct option is A triploid tissues
The cells of the endosperm are filled with reserve food materials and are used for the nutrition of developing embryo. They are triploid tissues as they are formed from the triploid primary endosperm nucleus formed from the fusion of a haploid male gamete and diploid central nuclues.

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Similar questions

Q. The function of endosperm is to provide nutrition to seeds. But in seeds without endoperm, what is the source of nutrition?

Q. Assertion :The central polar cell embryo sac produces endosperm while egg produces seed. Reason: The endosperm is a triploid tissue while seeds are diploid.

Q. Assertion :Trapaceae and orchidaceae produces a well developed endosperm Reason: Endosperm is in triploid state and it is a nutritive tissue for the development of embryo.

Q. Consider the following families.
a. Orchidaceae
b. Potostmaceae
c. Trapaceae
In which of these the endosperm, a nutritive tissue, is NOT formed?

Q. Assertion : Endosperm is a nutritive tissue and it is triploid.

Reason: Endosperm is formed by fusion of secondary nucleus to second male gamete. It is used by developing embryo.

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Phylogenetic Relationship

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