Q. The use of microbes to break down synthetic waste products such as polychlorinated biphenyls is called

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Q. Activated sludge contains large number of

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Q. Iron bacteria can produce

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Q. Biomass

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Q. Composting is one of the oldest forms of disposal of waste. It is the natural process of decomposition of organic waste that yields manure or compost. One of the following is added to the compost to get better results?

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Q. Which is not a form of biomass energy?

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Q. Which of the following statement is not correct?

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Q. Oxidation ponds are shallow ponds, generally designed at the depth of

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Q. Which of the following is generally not referred to the sewerage system?

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Q. The magnitude of BOD of wastewater is related to

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Q. A dense bacterial population caught in a tangled web of fibers sticking to a surface describes

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Q. Biogas production is

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Q. The acetate-utilizing methanogens are responsible for

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Q. Which of the following is responsible for the corrosion problem?

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Q. Water testing relies on the detection of certain indicator organisms known as

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Q. The death of a river by environmental pollutants ultimately results from

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Q. Most spoilage bacteria grow at

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Q. The microbiological examination of coliform bacteria in foods preferably use

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Q. Which of the following acid will have higher bacteriostatic effect at a given pH?

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Q. Which of the following is not true for the thermal resistance of the bacterial cells?

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