The extra structure that provides nutrition to the embryo is

Umbilicus

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Amnion

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Chorion

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Placenta

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Solution

The correct option is D Placenta
Placenta is the structure that develops from part of chorion that forms villi and the underlying uterine tissues with maternal capillaries. It is an organ of exchange that provides oxygen and nutrients to fetus and removes waste produced by fetus.
Chorion and amnion are the extraembryonic membrane that forms outer covering around embryo. Umbilicus is the scar left after removal of umbilical cord from a newborn baby and is made up of skin, scar tissue and peritoneum at its centre. Thus, the correct answer is option D.

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Similar questions

The disc-like tissue embedded in the uterine wall which provides nutrition to the embryo within the womb is known as the placenta.

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.

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