MCQ
Which of the following is essential for thyroid gland?
  • A
    $\text{NaCl}$
  • $I_3$
  • C
    $\ce{CaCO_2}$
  • D
    $\ce{H_2CO_3}$

Answer

Correct option: B.
$I_3$
Lodine is essential for thyroid gland.

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