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MODEL PAPER - 6 [2026] — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMODEL PAPER - 6 [2026]3 Marks
Question
What is placenta? Describe its role during pregnancy.
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Answer

Placenta is a special tissue which provides nutrition to the embryo from the mother's blood.
Role:
i. Provides a large surface area to transport glucose and $\mathrm{O}_{2}$ from mother's blood to embryo.

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