Which trace element acts as an antioxidant and helps protect cells from damage caused by free radicals?

A Selenium ✓
B Chromium
C Molybdenum
D Fluoride

Explanation

Selenium is a trace element that acts as an antioxidant, helping to protect cells from damage caused by free radicals and supporting overall health.

Source

NCERT Class 12 Chemistry
Minerals, and Trace Elements Minerals and Trace Elements Selenium Medium MEDICAL Confidence: high