Assertion :After implantation, the uterine endometrium undergoes changes to become decidua. Reason: The placenta is described as deciduous type.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
After implantation, uterine mucosa(endometrium) undergoes profound changes and thus get modified. This modified endometrium of the uterus is called decidua.
Deciduate placenta- Some part of the uterine tissue is injuired and passed out as decidua in the after birth in humans
So, the correct answer is 'Both assertion and reason are correct and the reason is the correct explantation for assertion'.

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Similar questions

Q. Assertion :The placenta of rabbit is described as deciduous type.
Reason: After implantation, the uterine endometrium undergoes changes to become 'decidua' in Rabbit.

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