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Which of the following actions can be ta...

Which of the following actions can be taken to control noise pollution ?

A

Delimitation of horn-free zone around hospitals and schools

B

Permissible sound-levels of crackers and of loudspeakers

C

Set the timing after which loudspeakers cannot be played

D

All of these

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The correct Answer is:
D
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  6. The amount of biodergradable organic matter in sewage water can be est...

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  7. The graph given below represents the effect of sewage discharge on som...

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  9. Which of the following statements is not correct regarding algal bloom...

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  10. A lake near a village suffered heavy mortality of fishes within a few ...

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  11. Which of the following is referred to as the world's most problematic ...

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  12. The term 'terror of Bengal' is used for

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  13. Given below are four statements each with two blanks. Select the optio...

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  14. Escherichia coli is used as an indicator organism to determine polluti...

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  15. Contamination of water sewage is indicated by cysts of

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  17. Match column I with column II and select the correct option from the g...

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