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Test: Pollution of Air & Water- 2


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10 Questions MCQ Test Science & Technology for UPSC CSE | Test: Pollution of Air & Water- 2

Test: Pollution of Air & Water- 2 for UPSC 2022 is part of Science & Technology for UPSC CSE preparation. The Test: Pollution of Air & Water- 2 questions and answers have been prepared according to the UPSC exam syllabus.The Test: Pollution of Air & Water- 2 MCQs are made for UPSC 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Pollution of Air & Water- 2 below.
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Test: Pollution of Air & Water- 2 - Question 1

Addition of harmful substance in water to make it unfit for human consumption is called

Detailed Solution for Test: Pollution of Air & Water- 2 - Question 1

Addition of harmful substances in water to make it unfit for human consumption is called water pollution. Harmful substance includes domestic and industrial sewage

Test: Pollution of Air & Water- 2 - Question 2

The substance that pollute the natural substance is called

Detailed Solution for Test: Pollution of Air & Water- 2 - Question 2

The substances that pollute the natural substances like air, water and soil are called pollutant. Exhaust from industries and vehicular emission are some common pollutants.

Test: Pollution of Air & Water- 2 - Question 3

Water pollution is caused by

Detailed Solution for Test: Pollution of Air & Water- 2 - Question 3

Water pollution is caused by addition of untreated domestic sewage and industrial wastage in water bodies.

Test: Pollution of Air & Water- 2 - Question 4

Which of the following area is most likely to be most air polluted?

Detailed Solution for Test: Pollution of Air & Water- 2 - Question 4

Residential area, park and crop fields are very less polluted areas while industrial areas have large number of factories that emit harmful gases to cause air pollution.

Test: Pollution of Air & Water- 2 - Question 5

Which one is not a natural source of water

Detailed Solution for Test: Pollution of Air & Water- 2 - Question 5

Ponds, river and lake are natural source of water as they are present naturally on earth. On the other hand Canals are manmade source of water especially for irrigation purpose.

Test: Pollution of Air & Water- 2 - Question 6

Which of the following is not responsible for air pollution?

Detailed Solution for Test: Pollution of Air & Water- 2 - Question 6

Air pollution is caused by combustion of fossil fuels, chimneys of factories and burning of coal. Freezing of ice is not responsible for air pollution.

Test: Pollution of Air & Water- 2 - Question 7

Which is not produced by burning of fossils fuel?

Detailed Solution for Test: Pollution of Air & Water- 2 - Question 7

Burning of fossil fuel produce carbon dioxide gas, Sulphur dioxide gas and Nitrogen oxide gas. Oxygen gas is not produced by burning of fossil fuel.

Test: Pollution of Air & Water- 2 - Question 8

The purest form of water is

Detailed Solution for Test: Pollution of Air & Water- 2 - Question 8

Rain water is purest form of water as during cloud formation evaporation of water takes place in which impurities are left in water bodies. Spring water, subsoil water and hand pump water contains some salt dissolved in it.

Test: Pollution of Air & Water- 2 - Question 9

Which one is not an organic waste?

Detailed Solution for Test: Pollution of Air & Water- 2 - Question 9

Vegetable peels, cotton cloths and paper are organic wastes as obtained from plants. DDT is insecticide that used to kill insects and pests prepared in laboratory.

Test: Pollution of Air & Water- 2 - Question 10

Which one is a common source of drinking water?

Detailed Solution for Test: Pollution of Air & Water- 2 - Question 10

River and lake are common source of drinking water. Sea and ocean water are salty and cannot be used for drinking purpose.

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