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NEET UG BIOLOGY MCQ: HUMAN REPRODUCTION

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After implantation, finger-like projections on the trophoblast are called …A…. which are surrounded by …B… and maternal blood.
Here A and B refers to
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Correct option: B
A-chorionic villi; B-uterine tissue
Option B is the correct answer because chorionic villi are finger-like projections on the trophoblast surrounded by uterine tissue and maternal blood.

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