everyday science MCQ #526

Iodine is essential for the synthesis of:

everyday science MCQ #526

  1. Question 1

    Q1. Iodine is essential for the synthesis of:

    • A) Adrenaline
    • B) Thyroxine
    • C) Auxin
    • D) Insulin

    Answer: Thyroxine

    Explanation: Iodine is a structural component of thyroid hormones; the thyroid gland uses iodine to synthesize thyroxine (T₄) and triiodothyronine (T₃).