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TRUEMAN BIOLOGY-NCERT Exemplar Questions +2 (ENVIRONMENTAL ISSUES )-MCQs
- Non-biodegradable pollutants are created by :
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- According to the Central Pollution Control Board, particles that are r...
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- The material generally used for sound proffing of rooms like a recordi...
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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 biomagni- fication
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- The expanded form of DDT is
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- Which of the following materials takes the longest time for biodegrada...
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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 freshwater 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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- 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 impuritites 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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- In the textbook you came acroos Three Mile Island and Chernobyl disast...
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