Which of the following minerals is responsible for synthesis of thyroxine hormone?

Iodine

The correct answer is Option (4)- Iodine

The mineral responsible for the synthesis of the thyroxine hormone is Iodine.

Explanation:

• Thyroxine is a thyroid hormone crucial for the regulation of metabolism in the body.
• Iodine is an essential component required for the synthesis of thyroid hormones, including thyroxine.
• The thyroid gland takes up iodine from the bloodstream and incorporates it into thyroid hormones.

Therefore, the correct answer is Iodine.