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

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

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

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

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

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

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:

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:

Which one of the following statements is NOT correct?

Industrial wastes entering rivers often make the river water acidic.
How can this lead to a decrease in the population of many aquatic organisms?

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

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

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

How cultivation method can cause air pollution?

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

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?

Given below are two statements:
Statement : In a scrubber, the exhaust from the thermal plant is passed through the electric wires to charge the dust particles.
Statement : Particulate matter (PM ) 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:

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

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%.

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