Noise Pollution Quiz

What is noise pollution?

• Any pleasant sound that helps relaxation

• Any unwanted or loud sound that causes discomfort and health issues

• Sound used in music therapy

• Sound below 30 dB

Which unit is used to measure the intensity of sound?

• Hertz

• Watt

• Decibel (dB)

• Newton

According to WHO, what sound level is considered noise pollution?

• Above 30 dB

• Above 50 dB

• Above 65 dB

• Above 120 dB

Noise above what level is considered harmful to human health?

• 55 dB

• 65 dB

• 75 dB

• 85 dB

What is the pain threshold of sound for humans according to the WHO?

• 90 dB

• 100 dB

• 120 dB

• 140 dB

Which of the following is NOT a source of noise pollution?

• Loudspeakers

• Traffic

• Running water

• Construction activities

Which Indian bodies have adopted Ambient Noise Standards?

• WHO and UNESCO

• NGT and CBI

• MOEF and CPCB

• RBI and SEBI

Noise pollution is considered a form of:

• Water pollution

• Land pollution

• Thermal pollution

• Air pollution

What is the recommended nighttime ambient noise level by WHO for restful sleep?

• Below 30 dB

• Below 50 dB

• Below 65 dB

• Below 75 dB

Which of the following is a measure to control noise pollution?

• Using louder alarms

• Avoiding plantation

• Using silencers in vehicles

• Increasing traffic speed