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प्रश्न
For the metamorphosis of tadpoles which of the following elements must be available in water?
विकल्प
Chlorine
Carbon
Sulphur
Iodine
MCQ
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उत्तर
Iodine
Explanation:
For metamorphosis of tadpoles, iodine should be present in water. This is because metamorphosis is brought about by thyroxine hormone that requires the presence of iodine for its production by thyroid gland.
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Reproductive Phase of Life in Humans
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