Pollution of Air & Water : 10 Multiple Choice Questions

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Air or water pollution is one of the greatest danger Earth is facing today. The contamination of air or water does not just affect the living beings only , but also non living things are negatively affceted .For example acid rains are eating away many buildings made of marble. Air pollution is single most reason for various diseases associated with breathing trouble. Similarly  the water pollution is not only creating troubles for human beings , but for whole bio-diversity.

10 Questions on Pollution of Air & Water

Pollution in Air & Water

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Question 1
Which gas out of following is found highest by volume  in Air?
A
Nitrogen
B
Oxygen
C
ozone
D
methane
Question 1 Explanation: 
Air contains : Nitrogen :78 % Oxygen : 21 % Carbon Dioxide , Methane ,Ozone and water are within 1 %
Question 2
Incomplete burning of petrol or diesel in vehicles creates............. gas which is very poisonous .
A
Carbon dioxide
B
Carbon monoxide
C
Methane
D
Ozone
Question 2 Explanation: 
Carbon Monoxide , when inhaled, reduces the oxygen carrying capacity of the blood . Thus is dangerous for life.
Question 3
Combustion of coal in power plant produces mainly ................ which is a major pollutant of air.
A
Sulpher Dioxide
B
Nitrogen Dioxide
C
Methan
D
Chloroflurocarbons
Question 3 Explanation: 
Petroleum refineries are responsible for producing Nitrogen Dioxide wheres as coal based thermal plants produces Sulpher Dioxide
Question 4
Taj Mahal is said to be suffering from "Marble Cancer " . What is Marble Cancer?
A
Acidic Rain which corrodes marble.
B
Large number of Fungus in Taj Mahal marbles
C
Yellowing of the marble on account of Soot particles
D
Smokes filling the Taj Mahal from adjoining industries.
Question 4 Explanation: 
The industries located in and around Agra like rubber processing , automobile ,chemicals and especially the Mathura oil refinery , produce pollutants like sulpher dioxide and nitrogen dioxide which react with water vapour present in the atmoshphere to form Sulphurinc acid and Nitic acid.The acid drops down with rain , and corrodes the marble.
Question 5
Which gas is responsible for depletion of Ozone layer around earth which protects us from harmful Ultraviolet rays ?
A
Chloro Fluro Carbons
B
Nitrogen
C
Oxygen
D
Nitrogen Oxide
Question 6
Which gas is primarily responsible for Green House Effect i.e global warming. ?
A
Hydrogen Dixoxide
B
Carbon Dioxide
C
CFC
D
Sulpher Dioxide
Question 6 Explanation: 
Carbon Dioxide is major pollutant as far as global warming is concerned, but other contributory gases are Methane, Nitrous Oxide, and water vapours. All these are also called Green House gases.
Question 7
What is Kyoto Protocol?
A
It is an agreement among countries to take steps for reducing global warming.
B
It is an agreement among countries to take steps for reducing acid rain .
C
It is an agreement among countries to take steps for planting trees to control pollution.
D
It is an agreement among countries to start using nuclear energy.
Question 7 Explanation: 
Kyoto is situated in Japan.
Question 8
India celebrates Van Mahotsav every year in the month of .................. in which lakhs of trees are planted across the country.
A
June
B
July
C
August
D
September
Question 9
As per World Wide Fund for Nature, the river.............is one of the ten most endangered rivers in world .
A
Ganga
B
Jamuna
C
Brahamputra
D
Mahanadi
Question 10
The disease Cholera , Typhoid and Jaundice are due to pollution of ..............................
A
air
B
water
C
Food items
Question 10 Explanation: 
Water contaminated with swage may contain bacteria ,viruses , fungi an parasites which actually causes Cholera, Jaundice or Typhoid.
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