Pollution and Its Control

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Pollution and Its Control: Overview

This topic covers concepts, such as, Air Pollution,Bhopal Gas Tragedy,Causes of Air Pollution etc.

Important Questions on Pollution and Its Control

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Which of the following cannot be considered a major cause of air pollution in metro cities?

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

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In which of the following pollution electrostatic precipitator of a thermal plant fails to function?

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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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A lake with an inflow of domestic sewage rich in organic waste may result in

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Nitrogen oxides, produced from the emission of automobiles and power plants, are the source of fine air borne particles which lead to

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Given below are two statements:

Statement I: The nutrient deficient water bodies lead to eutrophication.

Statement II: Eutrophication leads to decrease in the level of oxygen in the water bodies.

In light of the above statements, choose the correct answer from the options given below:

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Given below are two statements:

Statement I: Electrostatic precipitator is most widely used in thermal power plant.

Statement II: Electrostatic precipitator in thermal power plant removes ionising radiations.

In the light of the above statements, choose the most appropriate answer from the options given below:

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Which one of the following statements is NOT correct?

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Industrial wastes entering rivers often make the river water acidic.

How can this lead to a decrease in the population of many aquatic organisms?

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Which of these activities should be prohibited in water bodies to control water pollution?

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The air of only City 1 and City 3 are safe for breathing. What is the AQI limit for safe breathing?

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Which city’s air is the most polluted? Explain your answer.

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How cultivation method can cause air pollution?

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Refer to the given Venn diagrams. Which among the following would most likely be 'X' and 'Z' respectively?

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The entire fleet of buses in Delhi were converted to CNG from diesel. In reference to this, which one of the following statements is false?

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Given below are two statements:

Statement I: In a scrubber, the exhaust from the thermal plant is passed through the electric wires to charge the dust particles.

Statement II: Particulate matter (PM 2.5) cannot be removed by a scrubber but can be removed by an electrostatic precipitator.

In the light of the above statements, choose the most appropriate answer from the options given below:

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The device which can remove particulate matter present in the exhaust from a thermal power plant is:

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Statement-I: Smokestacks of thermal power plants, metal extracting industries release particulate and gaseous air pollutants together with harmless gases.

Statement-II According to the Euro III norms aromatic hydrocarbons of petrol and diesel to be reduced to 35%.

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Which of the following is called the ‘Terror of Bengal’