Q. Calculate the BOD value for the sample below including the minimum depletion and residual requirements.

Sample (ml)-100ml in 300ml bottle
Initial D.O (mg/ml): 9.2
5-days D.O (mg/ml): 5.3

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Q. Which of the following doesn’t include the activity of microorganisms?

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Q. The process by which the methanogens produce methane is called _______

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Q. Which of the following is has not emerged as an international issue through the advent of environment biotechnology?

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Q. Oil spills have been considered as a major threat to world environment, especially ________

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Q. Which of the following factors is not responsible for decline or loss of species?

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Q. Which of the following require attention by national government?

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Q. The major cause of environmental degradation is ____

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Q. Water logging and weed infestation can be classified under which type of issue?

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Q. Which of the following method of disposal of solid waste leads to release of organic pollutants into the environment?

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Q. Which of the following is not a reason behind air pollution?

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Q. Oxides of nitrogen and Sulphur leads to major air pollution.

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Q. Increasing thermal stress contributes to coral bleaching.

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Q. Which of the following is not an intervention of environment biotechnology?

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Q. Majority of the waste produced by commercial industries have better results when treated by _________

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Q. What does biological method of waste treatment include?

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Q. Which of the following require lower temperature and pressure?

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Q. The lower energy requirements leads to _____

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Q. Bio-sensors have the capability to detect samples __________

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Q. Expand BATNEEC.

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