Q. Which of the following compound can help degrade amino nitrogen and heterocyclic nitrogen by biological method?

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Q. Removal of nitrogen cannot be done by which of the following process?

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Q. Autotrophic retention of nitrogen compounds leads to formation of nitrate by conversion of ammonia.

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Q. Which of the following is not an effect of retention or uptake of nitrogen and phosphorus in aquatic ecosystem?

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Q. Nitrifying bacteria doesn’t belong to which of the following genera?

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Q. Which of the following is the correct expansion of OLNAD?

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Q. Which of the following is the major disadvantage of heterotrophic nitrification?

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Q. The time progression of drug concentration can predict the time course of the effect of the drug effect.

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Q. Which of the following properties are not shown by Pharmacodynamics?

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Q. Which sources can serve for the natural mineral water available in bottled water?

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Q. Salt is an important additive to the table water.

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Q. Which of the following is not added to nourishment beverages?

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Q. Which of the following is not included in the production of waste water?

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Q. Which of the following consists of waste water from soft drinks industry?

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Q. Which of the following is the higher limit of the Chemical oxygen demand of fruit juices ranges from 50g/l ?

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Q. Which of the following process is required for re-use of deposit bottles which poses threat to the environment?

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Q. Which of the following can be the case of Quantal dose-response relationship?

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Q. Which of the following is measured for a single population?

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Q. Organic pollutants are persistent and cannot be degraded in the environment by natural processes.

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Q. Which of the following compounds does not get degraded under any circumstances?

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