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question_answer1)
The pie chart given below shows the composition of different gases in air.
Identify gases W, X and Y
A)
B)
C)
D)
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question_answer2)
Which of the following air pollutants is wrongly matched with the effect it causes?
A)
Dust - reduces photosynthesis in green plants. done
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B)
Carbon monoxide - reduces oxygen in the blood. done
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C)
Chlorofluorocarbons - damages nerves and tissues. done
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D)
Nicotine - hardens and narrows blood vessels. done
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question_answer3)
Which of the following does NOT cause air pollution?
A)
Increasing forest reserves done
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B)
Using pesticides in farms done
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C)
Developing housing estates done
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D)
Quarrying for limestone done
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question_answer4)
Which of the following is NOT a general pollutant of atmosphere?
A)
\[C{{O}_{2}}\] done
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B)
\[S{{O}_{2}}\] done
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C)
\[S{{O}_{3}}\] done
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D)
\[N{{O}_{2}}\] done
clear
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question_answer5)
Identify the gas associated with greenhouse effect.
A)
Carbon dioxide done
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B)
Oxygen done
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C)
Nitrogen dioxide done
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D)
Sulphur dioxide done
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question_answer6)
What is the outcome of the release of carbon particles and smoke from factories?
A)
Increases the rate of respiration in plants. done
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B)
Decreases the rate of photo- synthesis in plants. done
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C)
Increases the absorption of carbon dioxide by plants. done
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D)
Decreases the rate of transpiration in plants. done
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question_answer7)
A Which of the following gases can result in the formation of acid rain?
A)
Ozone done
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B)
Carbon monoxide done
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C)
Sulphur dioxide done
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D)
Chlorofluorocarbon done
clear
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question_answer8)
Heat is reflected from the earth's surface and trapped in the atmosphere. Which phenomena is being referred to?
A)
Global warming done
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B)
Ozone depletion done
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C)
Greenhouse effect done
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D)
Thermal pollution done
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question_answer9)
Which of the water pollutants is INCORRECTLY paired with the source?
A)
Oil spill-ship done
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B)
Pesticide - oil palm plantation done
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C)
Sewage ? factories done
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D)
Nitrate ? farm done
clear
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question_answer10)
Which of the following gases is regarded as an atmospheric pollutant?
A)
\[{{O}_{2}}\] done
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B)
\[{{O}_{3}}\] done
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C)
\[S{{O}_{2}}\] done
clear
D)
\[{{N}_{2}}\] done
clear
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question_answer11)
What is the effect of sulphur dioxide present in air on human beings?
A)
Harms the skin and the lungs done
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B)
Mixes with the blood and prevents it from carrying oxygen done
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C)
Affects the heart and the liver done
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D)
Raises the air temperature done
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question_answer12)
How are lead particles released into the air?
A)
By burning coal in thermal power stations done
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B)
By burning petrol in automobiles done
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C)
By burning biomass in chullahs done
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D)
By burning LPG for cooking done
clear
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question_answer13)
From which of the following bad effects does the ozone layer in our atmosphere protect us?
A)
Carbon dioxide done
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B)
CFC's done
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C)
The sun's ultraviolet rays done
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D)
All of the above done
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question_answer14)
How are monuments of marble destroyed?
A)
By sulphur dioxide pollution. done
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B)
By carbon monoxide pollution. done
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C)
By pesticide pollution. done
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D)
By dust particles. done
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question_answer15)
Which of the major sources of air pollution contributes pollutants like chlorofluorohydrocarbons?
A)
Industrial effluents done
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B)
Aerosols done
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C)
Sewage pollutants done
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D)
All of the above done
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question_answer16)
Which of these is the major air pollutant in cities like Delhi and Kolkata?
A)
Carbon monoxide done
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B)
Hydrocarbons done
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C)
Suspended particulate matter done
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D)
Oxides of nitrogen done
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question_answer17)
Which of the following applications use catalytic converters?
A)
Automobiles done
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B)
Windmills done
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C)
Poultry farms done
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D)
Dairy farms done
clear
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question_answer18)
What is smog?
A)
A combination of fire and water. done
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B)
A combination of smoke and fog. done
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C)
A combination of water and smoke. done
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D)
A combination of air and water. done
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question_answer19)
If there is no\[C{{O}_{2}}\]in the atmosphere, what would happen to the earth's temperature?
A)
It would be less than the present. done
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B)
It would be the same as present. done
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C)
It would be higher than the present. done
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D)
It depends on the 0, content of air. done
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question_answer20)
Which of the following is NOT a feature of potable water?
A)
Clean, colourless and odourless done
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B)
Free from bacteria done
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C)
Have excessive sodium, calcium and magnesium done
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D)
Having dissolved oxygen and carbon dioxide done
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question_answer21)
Which of the following pollutants is NOT present in the vehicular exhaust emissions?
A)
Lead done
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B)
Ammonia done
clear
C)
Carbon monoxide done
clear
D)
Particulate matter done
clear
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question_answer22)
What is the main cause of pollution of water in India?
A)
Discharge of untreated sewage done
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B)
Bathing done
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C)
Discharge of industrial waste done
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D)
Both (A) and (C) done
clear
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question_answer23)
In which part of atmosphere is ozone layer present?
A)
Stratosphere done
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B)
Troposphere done
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C)
Mesosphere done
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D)
Thermosphere done
clear
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question_answer24)
What is the main cause of sulphur dioxide emissions?
A)
Agricultural farms done
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B)
Petroleum refineries done
clear
C)
Thermal Power plants done
clear
D)
Water resources done
clear
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question_answer25)
Which of these steps when adopted will contribute towards better waste management?
A)
Reduce the amount of waste formed done
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B)
Reuse the waste done
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C)
Recycle the waste done
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D)
All of the above done
clear
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question_answer26)
Which of the following, will NOT help in reducing air pollution?
A)
Burn household rubbish in incinerators. done
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B)
Use catalytic converters in motor vehicles. done
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C)
Fix electric precipitators to factory chimneys. done
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D)
Ban smoking in public places such as in cinema theatres. done
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question_answer27)
Which of the following is due to global warming?
(i) An increase in the water level in the sea |
(ii) The melting of snow on mountain peaks |
(iii) A decrease in food production by plants |
A)
Only (i) and (ii) done
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B)
Only (ii) and (iii) done
clear
C)
Only (i) and (iii) done
clear
D)
(i), (ii) and (iii) done
clear
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question_answer28)
Which of these is the bio-indicator of air pollution?
A)
Algae done
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B)
Ferns done
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C)
Mushrooms done
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D)
Lichens done
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question_answer29)
What does the term 'conserving the 'environment' mean?
A)
Not allowing man and animal from using natural resources done
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B)
Not lowering the quality of the environment done
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C)
Changing natural resources from their original state done
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D)
Preserving nature that has been destroyed done
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question_answer30)
How can pollution from the burning of fossil fuels be reduced?
(i) By using an incinerator. |
(ii) By using renewable sources of energy. |
(iii) By fixing catalytic converters in vehicles. |
A)
Only (i) and (ii) done
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B)
Only (ii) and (iii) done
clear
C)
Only (i) and (iii) done
clear
D)
(i), (ii) and (iii) done
clear
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question_answer31)
What is caused, if carbon dioxide is released into the air?
A)
Acid rain done
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B)
Eutrophication done
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C)
Global warming done
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D)
Respiratory problems done
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question_answer32)
How is sewage water purified for recycling?
A)
By the action of fish. done
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B)
By the action of microorganisms. done
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C)
By the action of fuels. done
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D)
By the action of non-biodegradable chemicals. done
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question_answer33)
What is the trapping of heat radiations by earth's atmosphere known as?
A)
Global warming done
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B)
Marble cancer done
clear
C)
Greenhouse effect done
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D)
Ozone hole done
clear
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question_answer34)
What are the effects of discharging excess heat from electrical power stations into rivers and lakes?
(i) The biological oxygen demand value of the water decreases |
(ii) Instant death of certain organism |
(iii) The population of algae increases |
(iv) The concentration of dissolved oxygen increases |
A)
Only (i) and (ii) done
clear
B)
Only (ii) and (iii) done
clear
C)
Only (i), (ii) and (iii) done
clear
D)
Only (i),(ii) and (iv) done
clear
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question_answer35)
Which of the following is NOT an air pollutant?
A)
\[{{N}_{2}}\] done
clear
B)
\[{{N}_{2}}O\] done
clear
C)
\[NO\] done
clear
D)
\[CO\] done
clear
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