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Byju's Answer
Standard XII
Biology
Importance of Placenta
Which one is ...
Question

Which one is not a character of haemochorial placenta?

A
CO2 and excretory products pass from foetus to mother's body.
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B
O2 and nutrients from mother's body enter the foetus.
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C
Chorion villi are covered by blood sinuses of mother.
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D
It protects foetus from mechanical shocks.
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Solution

The correct option is D It protects foetus from mechanical shocks.
The haemochorial placenta is the type of placenta in which maternal blood is in direct contact with the chorionic villi which are covered by maternal blood and exchange of gases and nutrients from mother's blood and foetus takes place as observed in humans.
So the correct option is 'It protects foetus from mechanical shocks'

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