Water Pollution and Its Control

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Water Pollution and Its Control: Overview

This Topic covers sub-topics such as Water Pollution, Soil Erosion, Biochemical Oxygen Demand, Eutrophication, Bioremediation, Thermal Pollution, Biomagnification, Minamata Disease, Algal Bloom, Water Pollution control, Itai-Itai Disease and, Waterlogging

Important Questions on Water Pollution and Its Control

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Which of the following is/are the consequences of  algal blooms in water bodies

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Which of the following impurities are colloidal in nature?

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On setting of an industrial unit in an area, the number of bird populations is expected to:

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Study the graph given below and choose the option that is correctly describing the relationship between dissolved oxygen (DO) and biochemical oxygen demand (BOD):

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A factory drains its waste water into the nearby lake. It has caused algal bloom. The phenomenon responsible for its cause is:

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Minamata disease is a pollution related disease. It results from -------------------------.

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Which of the following metal pollution causes sterility in human beings?

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Drinking mineral water with very low level of pesticides (0.02ppm) for long periods may

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Biological Oxygen Demand (BOD) is a measure of

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Which of the following is biodegradable pollutant?

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Fluoride pollution mainly affects

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How does the level of DDT increase as it passes up the food chain?

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Read the following statements and select the correct option from below:

I. Genetically modified crops are more susceptible to natural stress conditions like drought, salinity, etc., as compared to normal crops

II. For the treatment of ADA (adenosine deaminase) deficiency treatment, a functional ADA cDNA was introduced to the lymphocytes of the patient by using lambda phage virus

III. There are more than 3,00,000 rice varieties in India alone

IV. Nitrates, phosphates are easily removed from polluted water in the water treatment plant.

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Select the mismatched pair.

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Government of India has passed Water (Prevention and Control of Pollution) Act, in

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Black foot disease is due to

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Water pollution is best assessed by determining

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Which one of the following pairs is not correctly matched?

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Oil slick causes mass scale death of fishes due to

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In a polluted lake