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Which organ forms in the uterus to supply food material to the developing embryo?
APlacenta
BCorpus luteum
CEndometrium
DEmbryo sac
Answer & Solution
Correct answer: A. Placenta
1. After implantation in the uterus, the embryo needs nourishment to grow.
2. The placenta forms to supply food material during growth in the uterus.
3. Development is completed in about nine months.
4. Corpus luteum and endometrium are other reproductive structures and embryo sac is a plant structure, so those are ruled out.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 3 "Life Processes in Living Organisms Part 2", p.39_
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