Solved UPSC CDS/OTA Question
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Q · Nutrition and Nutrients medium · 45s
Which trace element supports thyroid hormone synthesis?
TopicNutrition and Nutrients
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Iodine is a key component of thyroxine (T₄) and triiodothyronine (T₃), hormones regulating metabolism. Deficiency causes goitre and hypothyroidism. Universal salt iodization has reduced deficiency, but monitoring and ensuring adequate intake remains vital, especially during pregnancy.
Final Answer: Option D - Iodine