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A2Z-ENVIRONMENTAL ISSUES-Section A: Topicwise Questions (topic 2: Water Pollution And Its Control) A Case Study Of Integrated
- Fertilisers added to fresh water will cause
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- Polluted water do not contain
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- Mottling of teeth is due to presence of an element in drinking water
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- DDT is a /an
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- Fluoride polllution mainly affects
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- Which of the following is not used for disinfection of drinking water?
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- Which one of the following statements pertaining to pollutants is corr...
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- Eutrophication is found in
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- Recognise the figure and find out the correct matching.
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- More than 70% of world's fresh water is contained in
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- Process by which insecticides like DDT reach man is
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- High amount of esherichita coli in water is an indicator of
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- Eutrophication of water bodies leading to killing fishes is mainly due...
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- Match the columns.
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- High value of BOD (Biochemical Oxygen Demand) indicates that:
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- Gastrointestinal problems are caused by
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- A water body has high BOD indicating that water is
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- Cause of decline in population of reptiles and birds is
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- The term biomagnification refers to:
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- Fishes die in water bodies polluted by swage due to :
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