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Question

When both the ovaries of rat are removed, then which hormone is decreased in blood?

A
Oxytocin
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B
Prolactin
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C
Estrogen
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D
Gonadotrophic releasing factor
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Solution

The correct option is C Estrogen
Estrogen is released from the ovarian follicles. Therefore, when both the ovaries of rat are removed, estrogen levels decrease in the blood.
Oxytocin is secreted by posterior pituitary and prolactin is released by anterior pituitary.

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