When both ovary 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
If both the ovaries are removed then the blood plasma level of estrogen will be affected as it is produced by theca interna cells of Graafian follicles. Estrogen regulates growth and development of female accessory reproductive organs, secondary sexual characters and sexual behaviour.