Prevention of Noise Pollution

Q. Noise pollution may cause partial hearing impairment.

1. 
   True
2. 
   False

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

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

Q. Which of the following is/are the source(s) of indoor noise pollution ?

1. Sound at Industries
2. Nail drilling machine
3. Mixer/Grinder
4. Sound at mines

Q. Sound produced at a construction site is called as _______.

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

Q. Question 25
Suggest three measures to limit noise pollution in your locality.

Q. How can noise pollution be controlled in a residential area?

Q. If the intensity of sound exceeds _____, it can cause harm to human ears.

1. 60 dB
   
2. 65 dB
   
3. 75 dB
   
4. 80 dB
   

Q. Which of the following measures will help in the reduction of noise pollution?

1. 
   Planting of trees along the roads and around the buildings.
2. 
   Minimizing usage of horns.
3. 
   Manufacturing machines that work with loud noise.
4. 
   Lubrication of heavy machines

Q. If the sound exceeds $80dB$, it is harmful to ears.

1. True
2. False

Q.

What measures can be taken to improve the quality of lives of the children with hearing impairment? [3 MARKS]

Q. Which of the following measures should be used for minimizing noise pollution?

1. Plant more trees
2. Use soundproof walls
3. Restrict use of crackers
4. All of the above

Q. Suggest three measures to limit noise pollution in your locality.

Q. a) What is the difference between noise and music?
b) Can music become noise sometimes?
[3 marks]
[NCERT]
[Music and noise]

Q.

List two major effects of noise pollution.

Q. What are the types of noise pollution?

Q. What is the safe limit of sound level (in $dB$) for our ears?

1. $120dB$
2. $12dB$
3. $10dB$
4. $180dB$

Q. Which of the following measures should be used for minimizing noise pollution?

1. Plant more trees
2. Use soundproof walls
3. Restrict use of crackers
4. All of the above

Q. In the following sentence, identify the part which has an error. If there is no error choose option D.

1. The reason why
2. he was rejected
3. was because he was too young
4. No error

Q. Which one of the following statements is not true regarding sound pollution?

1. Sound pollution can cause high blood pressure, heart failure, sleeping disorder and even loss of hearing.
   
2. Plantation of trees besides the road reduces sound pollution.
3. Using silencers in sound producing machines can reduce sound pollution.
4. Sound proofed walls do not help in reducing noise pollution.
   

Q. Which of the following is not an effect of noise pollution?

1. Lack of sleep
2. Hypertension
3. Hearing impairment
4. Enhanced concentration

Q.

Which of the following measures will not help in reducing noise pollution?

1. Building an airport close to residential areas

2. Limiting loudness of firecrackers.

3. Banning loudspeakers after 10 pm.

4. Horn free zones around hospitals.

Q.

Noise pollution is caused by which of the following?

1. Firecrackers

2. Industrial machines

3. Loudspeakers

4. All of these

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

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

Q. The siren of an ambulance needs to be a loud and piercing sound. Therefore, its main characteristics should be:

1. high pitch and large amplitude
2. low pitch and large amplitude
3. high pitch and small amplitude
4. low pitch and small amplitude

Q. Owing to his (A) ill health, he will not be able to give this (B) examination, which means (C) he will have to lose one year. (D) No Error (E)

1. (E)
2. (C)
3. (A)
4. (D)
5. (B)

Q.

What is noise pollution?

Q. Which one of the following statements is not true regarding sound pollution?

1. Sound pollution can cause high blood pressure, heart failure, sleeping disorder and even loss of hearing.
   
2. Plantation of trees besides the road reduces sound pollution.
3. Using silencers in sound producing machines can reduce sound pollution.
4. Sound proofed walls do not help in reducing noise pollution.
   

Q. Find out the error in the following sentence, if any. If there is no error, mark your answer as 'E'.
I met Neetu about (A) two years ago and have (B) remembered her (C) ever for. (D) No Error. (E)

1. A
2. B
3. C
4. D
5. E

Q. Loudness becomes painful above how many decibles?

1. $60dB$
2. $80dB$
3. $20,000dB$
4. $250dB$

Q. The taxi came at 8 o'clock in the next morning. No error.
(a) (b) (c) (d)

1. a
2. b
3. c
4. No error