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NDA 2023 GAT · General Knowledge · Human Physiology · easy

Thyroxine contains iodine. 2. Deficiency of iodine in the diet causes goitre.

Single correct option

Which of the following statements is/are correct?
1. Thyroxine contains iodine.
2. Deficiency of iodine in the diet causes goitre.
  1. A. 1 only
  2. B. 2 only
  3. C. Both 1 and 2
  4. D. Neither 1 nor 2
Show answer and solution

Answer: (C) Both 1 and 2

The thyroid needs iodine to make thyroxine. Lack of iodine causes the gland to swell, a condition called goitre, which is why iodised salt is recommended. Both statements are correct.
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Original question written in the NDA 2023 GAT pattern and checked twice for the correct answer. Not an official question paper. How we write and check questions · Corrections policy · Report a mistake