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NCERT FINGERTIPS-ENVIRONMENTAL ISSUES-Environmental Issues
- 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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- Match the items in column I and column II and choose the correct optio...
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- In the textbook you came acroos Three Mile Island and Chernobyl disast...
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- Assertion : Photochemical smog is mainly composed of nitrogen oxides, ...
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- Assertion : An electrostatic precipitator (ESP) is a particulate colle...
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- Assertion : Through the use of catalytic converters, unburnt hydrocarb...
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- Assertion : Compressed natural gas (CNG) is natural gas under pressure...
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- Assertion : Bharat stage IV emission norms have been in place since Ap...
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- Assertion : A brief expoosure to extremely high sound level, 150dB or ...
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- Assertion : Sewage, industrial effluents and waste water are non-point...
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- Assertion : There is a sharp decline in dissolved oxygen downstream fr...
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- Assertion : Heavy metals and persistent pesistent pesticides pass into...
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- Assertion : Cultural eutrophication is nutrient enrichment of water bo...
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- Assertion : Evencs refers to a scientific method of treating e-wastes ...
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- Assertion : Contribuition of CO(2), CH(4), CFCs " and " N(2)O towards ...
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- Assertion : An equilibrium is established is istablished between gener...
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- Assertion : Montreal protocol, was signed at Montreal (Canada) in 1987...
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- Assertion : Deforestation increases carbon dioxide concentration in th...
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