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OSWAAL PUBLICATION-ENVIRONMENTAL ISSUES -TOPIC - 2 ( MULTIPLE CHOICE QUESTIONS.)
- Non - biodegradable pollutants are created by :
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- According to the Central Pollution Control Board, particle that are...
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- The material generally used for sound proofing of rooms like a record...
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- Compressed Natural Gas (CNG) is :
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- World's most problematic aquatic weed is :
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- Which of the following causes biomagnification ?
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- The expanded form of DDT is :
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- Which of the following material takes the longest time of biodegrad...
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- Choose the incorrect statement.
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- Among the following which one causes more indoor chemical pollution...
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- The green scum seen in the fresh water bodies is :
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- The loudness of a sound that a person can withstand without discomfort...
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- The major source of noise pollution , world wide is due to :
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- Match correctly the following and choose the correct option: The...
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- Catalytic converters are fitted into automobiles to reduce emission of...
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- Why is it necessary to remove sulphur from petroleum products?
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- Which one of the following impurities is easiest to remove from waste ...
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- Which one of the following diseases is not due to contamination of wat...
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- Nuisance growth of aquatic plants and bloom forming algae in natural w...
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- Algal blooms impart a distinct colour to water due to:
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