NEET Biology question

When both ovaries are removed from a rat, which hormone is decreased in the blood? [AIPMT 2002]

(A)Oxytocin
(B)Prolactin
(C)EstrogenCorrect
(D)Gonadotropin releasing factor

Answer: (C)

Solution

Oxytocin and prolactin are secreted by the pituitary/hypothalamus, not the ovaries, so their blood levels would not directly fall from ovariectomy, and gonadotropin releasing factor (GnRH) is a hypothalamic

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Question ID VK-129039