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] The Sertoli cells are present in seminiferous tubules.
    Reason [R] Sertoli cells provide nutrition to the germ cells and spermatozoa.

    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. Seminiferous tubule is lined on its inside by two types of cells called male germ cells and Sertoli cells. The male germ cells form sperm and Sertoli cells provide nutrition to the germ cells.


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