12th Class Biology Human Reproduction Question Bank Assertion and Reason - Human Reproduction

  • question_answer
    Direction: Each of these questions contains two statements
    Assertion [A] and Reason [R]. Each of these questions also has four alternative choices, any one of which is the correct answer. You have to select one of the codes [a], [b], [c] and [d] given below.
    Assertion [A] An endocrine gland is placenta.
    Reason [R] It secretes many hormones essential for pregnancy.

    A) Both A and R are true and R is the correct explanation of A

    B) Both A and R are true, but R is not the correct explanation of A

    C) A is true, but R is false

    D) A is false, but R is true

    Correct Answer: B

    Solution :

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


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