MCQ
Sound becomes hazardous noise pollution at level
  • A
    above 30 dB
  • above 80 dB
  • C
    above 100 dB
  • D
    above 120 dB

Answer

Correct option: B.
above 80 dB
above 80 dB

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