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Suggest any four control measure of nois...

Suggest any four control measure of noise pollution .

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(i) By using sound - adsorbent materials .
(ii) Delimting horm free zones near hospitals , schools etc.
(iii) Playing loudspeaker only in permissible limits and limting the timings after which loudspeaker cannot played .
(iv) Having permissible sound levels of crackers .
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OSWAAL PUBLICATION-ENVIRONMENTAL ISSUES -TOPIC - 1 ( SHORT ANSWER TYPE QUESTIONS - I)
  1. How does a scrubber function ?

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  2. What is integrated organic farmings ?

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  3. Suggest any four control measure of noise pollution .

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  4. What are the effects of waste water of thermal power plants if dis...

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  5. What is eutrophication ? Explain its consequence on the life of plan...

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  6. Thermal power plants are inevitable in an industrial and densely pop...

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  7. A crane had DDT level as 55m is its body . What would be happen to the...

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  8. How did pollution of environment start ?

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  9. Differentiate between contamination and pollution.

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  10. Name a few pollutants added to air by nature.

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  11. What is the major air pollutant ? Give its source.

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  12. What are radiocative elements ? Cite a few exmple .

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  13. How do radiations affects the cells ?

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  14. How does nature depollutes the air ?

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  15. What is nuclear fall out ? How does it reach living organisms ?

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  16. Which plants can absorb heavy metals ? How is this useful ?

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  17. Give advantages of CNG over pertol or diesel .

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  18. Why are nuclear power plants considered as a therat to ecologyical s...

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  19. Why is the load of biodegradable material dangerous to the water bodi...

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  20. Briefly explain Biological Oxygen Demand in water .

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