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ARIHANT PUBLICATION-OUR ENVIRONMENT-QUESTION BANK
- 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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- Consider the following statements about pollution I.Pollution is an un...
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- Match the following columns
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- Three mile lsland and Chernobyl incident are related to
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- High level radioactive waste can be managed in which of the following ...
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- What steps should be taken before the disposal of nuclear waste?
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- Electrostatic precipitator (ESP) I.is an electrical device to remove ...
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- Consider the following statements about scrubber I.It is used to remov...
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- Match the following columns
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- Consider the following statements I.Noise causes psychological disorde...
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