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Germ Layers

Endosperm dev...

Question

Endosperm development precedes embryo development. Why?

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Solution

Endosperm is formed during the double fertilization when one of the two sperm enters inside the embryo sac & fuses with two polar nuclei. Endosperm develops before the embryo because the cells of the endosperm provide nutrition to the developing embryo

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Q. Why does endosperm development precedes embryo development?

Q. Endosperm development precedes embryo development because_____________.

Q. Why does endosperm development precede embryo development in angiosperm seeds? State the role of endosperm in mature albuminous seeds.

Regarding the assertion and reason, select the right option.

Assertion (A): Endosperm development precedes embryo development.

Reason(R): Endosperm provides assured nutrition to the developing embryo.

Q. Assertion (A): Endosperm development precedes embryo development.
Reason(R): During the endosperm development, initially the PEN undergoes successive nuclear divisions to give rise to free nuclei.

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