Assertion: After implantation, finger-like projections appear on the trophoblast called chorionic villi. Reason: Chorionic villi are surrounded by the uterine tissue and maternal blood.

Question

Assertion: After implantation, finger-like projections appear on the trophoblast called chorionic villi. Reason: Chorionic villi are surrounded by the uterine tissue and maternal blood. (A) If both assertion and reason are true and reason is the correct explanation of assertion (B) If both assertion and reason are true but reason is not the correct explanation of assertion (C) If assertion is true but reason is false (D) If both assertion and reason are false

Tardigrade Admin · Accepted Answer

After implantation, finger-like projections appear on the trophoblast called chorionic villi which are surrounded by the uterine tissue and maternal blood. The chorionic villi and uterine tissue become interdigitated with each other and jointly form a structural and functional unit between developing embryo (fetus) and maternal body called placenta.

Q. Assertion : After implantation, finger-like projections appear on the trophoblast called chorionic villi. Reason : Chorionic villi are surrounded by the uterine tissue and maternal blood.

If both assertion and reason are true and reason is the correct explanation of assertion

If both assertion and reason are true but reason is not the correct explanation of assertion

If assertion is true but reason is false

If both assertion and reason are false

Q. Assertion : After implantation, finger-like projections appear on the trophoblast called chorionic villi.
Reason : Chorionic villi are surrounded by the uterine tissue and maternal blood.