Q. Which of the following is not a primary contributor to the greenhouse effect?

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Q. The increase in the concentration of CO₂ in our environment in last fifty years; since 1960 is about _________

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Q. The depletion in the Ozone layer is caused by _________

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Q. A major in-stream use of water is for _________

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Q. Which of the following are the example of Municipal and industrial discharge pipes?

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Q. The presence of high coliform counts in water indicate _________

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Q. How the biological oxygen demand gets affected with the increased presence of organic matter in water?

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Q. Which of the following is a major source of groundwater contamination?

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Q. Which of the following is considered as part of water use planning?

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Q. The stage in which the biological processes are used to purify water in a wastewater treatment plants is called?

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Q. Groundwater mining in coastal areas can result into _________

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Q. Which of the following is not an important characteristic of the Green Revolution?

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Q. The three primary soil macronutrients are _________

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Q. Which of the following are negative effects on the soil and water due to conventional, mechanized farming practices?

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