Noise Pollution

Q.

70-90 dB sound is

1. Uncomfortable

2. painful

3. Quiet

4. Very Loud

Q. Regarding the assertion and reason, choose the correct option.
Assertion [A]: Inhabitants close to busy airports are likely to experience health hazards.
Reason [R]: Sound levels of jet planes usually exceed 150 dB.

1. Both A and R are correct and R explains A
2. A is correct but R is incorrect
3. Both A and R are incorrect
4. Both A and R are correct but R does not explain A

Q. Noise pollution is measured in

1. Sweden

2. Brazil

3. South Africa

4. Argentina

Q. With regard to the assertion and reason, choose the correct option:
Assertion [A]: Inhabitants close to very busy airports are likely to experience health hazards.
Reason [R]: Sound levels of jet planes usually exceed 150 dB.

1. Both assertion and reason are false
2. Both assertion and reason are true and the reason is the correct explanation for assertion
3. Assertion is true but reason is false
4. Both assertion and reason are true but the reason is not the correct explanation for the assertion

Q. dB is a standard abbreviation used the quantitative expression of

1. The density of bacteria in a medium
2. A particular pollutant
3. The diminant Bacillus in a culture
4. A certain pesticide

Q.

The loudness of sound that a person can withstand without discomfort is

1. 150 dB

2. 215 dB

3. 30 dB

4. ​​​​​​80 dB

Q.

Assertion: Inhabitants close to very busy airports are likely to experience health hazards.

Reason: Sound level of jet airplanes usually exceeds 160 dB.

1. Both Assertion and Reason are true and Reason is the correct explanation of Assertion

2. Both Assertion and Reason are true and Reason is not the correct explanation of Assertion

3. Assertion is true but Reason is false

4. Both Assertion and Reason are false

Q.

70-90 dB sound is

1. extremely loud

2. scream

3. quiet

4. loud

Q.

What are the harmful effects of noise pollution?

1. Hypertension

2. Lack of sleep

3. Imapairment of hearing

4. All of the above

Q. What are the harmful effects of noise pollution?

1. Lack of sleep

2. Hypertension

3. Imapairment of hearing

4. All of the above