Which hormone regulates the growth of metamorphosis in frog?
A
Adrenalin
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B
Insulin
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C
Thyroxine
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D
Cortisol
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Solution
The correct option is C Thyroxine Thyroxine hormone plays a major role in the metamorphosis of frog. Metamorphosis is a process which converts larval stage to tadpole and finally into a frog. It was proved by the ectomy (removal) of thyroid gland in some larval stages of frog, which showed only very little growth. Thus, it was proved that thyroid gland plays a great role in metamorphosis of frog.