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KVPY Sample Paper KVPY Stream-SX Model Paper-1

  • question_answer
    Which of the following is an example of positive feedback control in the reproductive cycle of males or females?

    A) The increased response of the Hypothalamus and anterior pituitary gland in response to oestrogen.

    B) The decreased response of the Hypothalamus and anterior pituitary gland in response to oestrogen.

    C) The inhibition of luteinising hormone by High levels of testosterone.

    D) The stimulation of luteinising hormone by Low levels of testosterone.

    Correct Answer: A

    Solution :

    [a] During day 12 to 14, a positive feedback occurs in response to oestrogen. The Hypothalamus and anterior pituitary gland are stimulated to release LH and FSH.


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