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- 1. Multiple Choice
What is the level of sound when it causes permanent loss of hearing
71db
62db
85db
100db
- 2. Multiple Choice
Crying of baby is a pleasant sound
true
false
not sure
want revision
- 3. Multiple Choice
Tick examples of noise pollution
chirping of birds
A boy shouting in a loudspeaker
Fighting in a conference meeting
Sound of ocean waves
- 4. Fill in the Blank
Noise pollution adverse effects:-
1.Permanent loss of _________
2.Possibility to ______________
- 5. Multiple Choice
Nina cannot hear properly since the last week she had been to the street where some people were shouting in loudspeakers. What can her cause be??
Noise Polution
Pleasant Sound
Noise Pollution
Unpleasant sound
- 6. Multiple Choice
We should reduce noise pollution by:-
Restricting loudspeakers
True
False
- 7. Multiple Choice
By fighting in Meetings
True
False
- 8. Multiple Choice
Mira had gone to school. Her science teacher Hiya miss told her to find ways to reduce noise pollution. Mira found it difficult so hiya miss gave her 4 options. Hiya Miss also said that there can be options more than 1. So Mira needs help. Please help her....
Explosives should be properly monitored
Loudspeakers should be banned
We should cut trees
All of these
- 9. Fill in the Blank
When too much sound is generated, it creates noise pollution. Write true or false
- Answer choicesTagsAnswer choicesTags