MCQ
Which gas protects us from ultraviolet rays of the sun?
  • A
    Oxygen.
  • B
    Carbon dioxide.
  • Ozone.
  • D
    Nitrogen.

Answer

Correct option: C.
Ozone.
Ozone.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free