Which of the following hormones controls metamorphosis in a frog?
Adrenaline
Thyroxine
Insulin
Oxytocin
A
Thyroxine
B
Adrenaline
C
Oxytocin
D
Insulin
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Solution
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Metamorphosis includes the developmental changes during the life span of an organism. The thyroxine hormone released from the thyroid gland brings the developmental changes during the metamorphosis. Thyroxine regulates the metabolism of an organism.
So, the correct answer is option D.
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