Multiple choice

Ozone layer protects us from

  1. air pollution

  2. sun's harmful rays

  3. solar heat

  4. sudden climatic changes

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The ozone layer absorbs harmful ultraviolet (UV) radiation from the sun, protecting living organisms from DNA damage and skin cancer. It does not filter general air pollution or moderate solar heat - its primary function is blocking UV rays.