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ARIHANT PUBLICATION-OUR ENVIRONMENT-QUESTION BANK
- Catalytic converters are fitted in to automobiles for reducing emissio...
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- vehicles treated with catalytic converter should use lead free petro...
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- Catalytic converters are fitted into automobiles to reduce emission of...
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- List any two adverse effects of particulate matter on human health.
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- Euro III norms were stipulated to control
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- What is true about the Euro II norms ?
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- In which year Air (Prevention and Control of Pollution) Act was amende...
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- The noise pollution is measured in:
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- Which act was formulated in the year 1974?
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- Which one of the following is the heavy toxic metal present in waste w...
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- Which of the following compounds are well known for biological magnifi...
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- Biomagnification is highest in
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- Increase in concentration of the toxicant at successive trophic levels...
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- Shell of egg in bird becomes thin (not properly formed )due to the pol...
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- Addition of phosphate and nitrates /fertiliser into water and that wat...
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- Eutrophication is excessive growth of algae ,plants and animals in wa...
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- Nutrient enrichment of a lake will cause
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- The amount of biodergradable organic matter in sewage water can be est...
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- Measuring Biochemical Oxygen Demand (BOD) is a method used for
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- The term 'terror of Bengal' is used for
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