Metamorphosis in frog can be promoted by

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(A) Metamorphosis in frogs is the process of transformation from a tadpole to an adult frog.This process is regulated by the thyroid hormone,thyroxine

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Iodine

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(A) Metamorphosis in frogs is the process of transformation from a tadpole to an adult frog.This process is regulated by the thyroid hormone,thyroxine.Thyroxine synthesis requires iodine as a key component.Therefore,the presence of iodine in the water is essential for the production of thyroxine,which in turn promotes and accelerates the metamorphosis of the tadpole into an adult frog.

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