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It is common practice to undertake desi...

It is common practice to undertake desilting of the overhead water tanks. What is the possible source of silt that gets deposited in the water tanks ?

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The soil particles carried by water from the source of supply .
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OSWAAL PUBLICATION-ENVIRONMENTAL ISSUES -TOPIC - 2 ( MULTIPLE CHOICE QUESTIONS.)
  1. It is common practice to undertake desilting of the overhead water t...

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  2. Non - biodegradable pollutants are created by :

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  3. According to the Central Pollution Control Board, particle that are...

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  4. The material generally used for sound proofing of rooms like a record...

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  5. Compressed Natural Gas (CNG) is :

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  6. World's most problematic aquatic weed is :

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  7. Which of the following causes biomagnification ?

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  8. The expanded form of DDT is :

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  9. Which of the following material takes the longest time of biodegrad...

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  10. Choose the incorrect statement.

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  11. Among the following which one causes more indoor chemical pollution...

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  12. The green scum seen in the fresh water bodies is :

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

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  14. The major source of noise pollution , world wide is due to :

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  15. Match correctly the following and choose the correct option: The...

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  16. Catalytic converters are fitted into automobiles to reduce emission of...

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  17. Why is it necessary to remove sulphur from petroleum products?

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  18. Which one of the following impurities is easiest to remove from waste ...

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

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  20. Nuisance growth of aquatic plants and bloom forming algae in natural w...

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  21. Algal blooms impart a distinct colour to water due to:

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