Noise and Music

Q. What are some of the harmful effects of noise pollution?
[4 marks]

Q. Unwanted sound which is unpleasant to the ears is known as ___.

1. noise
2. music
3. note
4. tone

Q. Sound can travel through:

1. music
2. normal sound
3. noise
4. soothing sound

Q.

Very loud music can be considered as noise.

1. Music

2. Noise

Q. Which of the following methods/devices/practices help in reducing noise pollution?

1. Loudspeakers
2. Silence zones
3. Earplugs
4. Old machines
5. Tree plantation
6. Old vehicles
7. Ban on crackers
8. Use of silencers

Q. Continuous exposure to loud sound may cause hearing impairment.

1. True
2. False

Q. Sound which is unpleasant to ears and causes discomfort is called noise.

1. False
2. True

Q. The pleasant sounds are called _________ .

1. pitch
2. loudness
3. music
4. noise

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

1. Soothing music
2. Loud speakers
3. Honking
4. Machines

Q. Identify the sources of noise pollution.

1. Crackers
2. Silencers
3. Heavy machines
4. Industries
5. Traffic
6. Loud speakers
7. Construction sites
8. Soundproof walls