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After delivery, the umbilical cord between mother and baby is cut. Before this, the cord carries:
AMilk from the mother
BFoetal stem cells that build the mother
CMaternal blood that nourishes the foetus via the placenta
DHormones produced by the foetal pancreas (option)
Answer & Solution
Correct answer: C. Maternal blood that nourishes the foetus via the placenta
1. The umbilical cord links the foetus to the placenta.
2. Foetal blood flows through the umbilical vessels and exchanges with maternal blood at the placental villi.
3. Nutrients and oxygen come in via the placenta and umbilical cord.
_Source: NCERT Class 10 Science, Ch 7 "How do Organisms Reproduce", §7.3.3_
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