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] Production of FSH and LH increases in the ovulation phase.
    Reason [R] Due to decrease in the level of LH, ovulation (releasing of ova) takes place.

    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: C

    Solution :

    [c] A is true, but R is false. R can be corrected as In menstrual cycle, rapid secretion of LH leads to its maximum level during mid-cycle. It is called LH surge. It induces rupture of Graafian follicle, thereby releasing ovum (ovulation).


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