Multiple choice

Which of the following mineral accelerate the rate of metamorphism in frog?

  1. Chlorine

  2. Fluorine

  3. Iodine

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Iodine is essential for synthesis of thyroid hormones (T3 and T4), which regulate metamorphosis in frogs by controlling tissue remodeling and differentiation. The thyroid gland requires iodine to produce these hormones. Chlorine and fluorine are halogens but are not involved in thyroid hormone synthesis or amphibian metamorphosis.

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