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The material generally used for sound pr...

The material generally used for sound proffing of rooms like a recording studio and auditorium, etc. is

A

cotton

B

coir

C

wood

D

styro foam

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The correct Answer is:
D
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ARIHANT NEET-ENVIRONMENTAL ISSUES-Chapter exercises (A) Taking it together (Assorted Questions of the Chapter for Advanced Level Practice)
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  2. Catalytic converter is used in automobiles

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  3. The material generally used for sound proffing of rooms like a recordi...

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  4. The loudness of a sound that a person can withstand without discomfort...

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  5. The gas which was released in Bhopal gas tragedy was

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  6. Smong is

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  7. Sewage water can be purified for recycling with action of :

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  8. The excess discharged of fertilisers into water bodies results in

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  9. Shallow lake rich organic products is called

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  10. Population explosion of small organisms due to nutrient enrichment of ...

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  11. BOD of a river water is found very high. This means water:

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  12. By what method can the quantity of organic pollutants in water be dete...

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  13. BOD is connected with the

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  14. Non-biodergadable pollutant is

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  15. Which one of the following impuritites is easiest to remove from waste...

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  16. "Itai-Itai" ("ouch-ouch") disease is caused by the poisoning of:

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  17. BOD of drinking water is:

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  18. Which one of the following diseases is not due to contamination of wat...

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  19. The most outstanding danger at present for survival of living beings o...

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  20. The term 'Nuclear war' is associated with

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