NEETZoologyHuman Reproduction
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): The placenta acts as an exocrine tissue during pregnancy as it secretes hormones like hCG, hPL, estrogens, and progestogens. Reason (R): The placenta facilitates the supply of oxygen and nutrients to the embryo and also removes carbon dioxide and excretory materials produced by the embryo. In the l
Options
- ABoth Assertion and Reason are correct and Reason is the correct explanation for Assertion.
- BBoth Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
- CAssertion is correct but Reason is incorrect.
- DAssertion is incorrect but Reason is correct.
Correct answer
D. Assertion is incorrect but Reason is correct.
Step-by-step solution
The placenta acts as an endocrine tissue (not exocrine) because it secretes hormones such as human chorionic gonadotropin (hCG), human placental lactogen (hPL), estrogens, and progestogens directly into the blood. Therefore, the Assertion is incorrect. The placenta also acts as a structural and functional unit between the embryo and the maternal body. It facilitates the supply of oxygen and nutrients to the embryo and removes carbon dioxide and excretory materials produced by the embryo. Therefore, the Reason is co