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Environmental Pollution: Reasons and Preventive Measures


1. 

Among the following greenhouse gases, the emissions of which one of the following is entirely anthropogenic?

Answer : B. Chlorofluoro carbon

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2. 

Which gas from Mathura refinery is a threat to Taj Mahal?

Answer : B. Sulphur dioxide

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3. 

The water pollution in river is measured by the dissolved amount of

Answer : D. Oxygen

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4. 

The gas that is responsible for global warming is

Answer : A. Carbon dioxide

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5. 

Which one of the fuel causes minimum environmental pollution?

Answer : C. Hydrogen

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6. 

Acid precipitation is now regarded as a serious problem in some European and Asian countries.Its major cause or source is

Answer : B. emissions of sulphur oxides and nitrogen oxides from thermal power plants and burning of fossil fuels; these oxides dissolve in atmospheric water vapour and fall back on earth as acid rain

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