Q. Assertion (A) Placenta is an endocrine gland.
Reason (R) It secretes many hormones essential for pregnancy.

 1136  170 Human Reproduction Report Error

Solution:

Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion. Placenta acts as an endocrine tissue and produces several hormones like hCG, hPL, oestrogens, progestogens, etc., which are essential for pregnancy.