Which of the following is a non-metal required by the human body?

The correct answer is: (d) Iodine

Explanation:
Iodine is a non-metal that plays a critical role in human health. It is essential for the production of thyroid hormones.

A deficiency of iodine can lead to goitre and other thyroid-related disorders.
It is mainly obtained through iodised salt and is one of the most vital micronutrients needed in small quantities.

Information Booster:
• Iodine deficiency can lead to stunted growth, mental impairment, and hypothyroidism.
• The chemical symbol for iodine is I, and it belongs to the halogen group.
• Common sources: seafood, iodised salt, dairy products, and eggs.

Additional Information:
• Iron – A metal, essential for hemoglobin formation in red blood cells.
• Gold – A noble metal.
• Zinc – A metal, essential for enzyme function, immunity, and wound healing.