Q. Several urban dwellers earn their livelihood from items recovered from urban solid wastes.

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Q. Which of the following method cannot be used for disposal and treatment of urban organic waste?

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Q. Which of the following is a natural way of composting?

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Q. Why secure landfill is used?

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Q. Which of the following is a biomedical waste?

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Q. Which of the following is used to dispose of the waste generated in urban areas?

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Q. At the disposal sites, which of the following methods is used to reduce the volume of urban waste?

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Q. Open burning at the disposal sites causes severe noise pollution.

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Q. What is the major environmental concern related to landfill?

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Q. Which of the following treatment shouldn’t be used for pre-treatment of solid waste?

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Q. Aerobic degradation of waste in landfills is usually of very less time.

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Q. Which of the following mechanism can’t be used to regulate mass from waste to leaching water?

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Q. Which of the following phases is not identified in anaerobic degradation?

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Q. Which of the following is not an environmental monitoring method?

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Q. What is the method that fills in gas into the landfills?

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Q. Which of the following is known to decompose the organic matter of wastes?

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Q. Which of the following is not an objective of composting?

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Q. Pre-treatment of the wastes by composting leads to greenhouse effect.

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Q. What of the following microorganisms have a major role in compositing?

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Q. Which of the following components are present in the waste air of aerobic respiration?

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