Which trace element plays a crucial role in the regulation of thyroid hormone production and is essential for the conversion of thyroxine to triiodothyronine?

A Selenium
B Iodine ✓
C Chromium
D Molybdenum

Explanation

Iodine is essential for the production of thyroid hormones, and its deficiency can lead to conditions such as goiter and hypothyroidism.

Source

NCERT Class 12 Biology
Minerals and Trace Elements Nutrition and Biochemistry Thyroid Function Easy MEDICAL Confidence: high