Which among the following minerals is essential for the synthesis of thyroid hormones (thyroxine)?

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SSC MTS (2022) Official Paper (Held On: 13 Jun, 2023 Shift 2)
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  1. Iron
  2. Iodine
  3. Selenium
  4. Chromium

Answer (Detailed Solution Below)

Option 2 : Iodine
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SSC MTS 2024 Official Paper (Held On: 01 Oct, 2024 Shift 1)
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90 Questions 150 Marks 90 Mins

Detailed Solution

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The correct answer is Iodine.Key Points

  • Thyroxine is a hormone produced by the thyroid gland, which is located in the neck.
  • Iodine is an essential mineral required for the synthesis of thyroxine.
  • Without sufficient iodine, the thyroid gland cannot produce enough thyroxine, leading to hypothyroidism.

Additional Information

  • Iron:
    • Iron is required for the formation of hemoglobin in red blood cells, which carry oxygen to the body's tissues.
    • Iron deficiency can lead to anemia, which causes fatigue, weakness, and other symptoms.
  • Selenium:
    • Selenium is a trace mineral that acts as an antioxidant and helps to maintain the health of the immune system, among other functions.
  • Chromium:
    • Chromium is a trace mineral that helps to regulate blood sugar levels and may have a role in weight management.
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Last updated on Jul 14, 2025

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