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WorksheetsCivil war-Day 22-PWD-Air pollution
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
According to the environmental clearance process in India, Environmental Impact Assessment is not needed for projects which fall under:
a)
Category A
b)
Category B1
c)
Category B2
d)
Schedule I
2.
What is the unit for Carbon footprint ?
a)
tonnes of CO2 equivalent
b)
hectares of land
c)
mg/litre of air
d)
no unit
3.
The concentration of ozone (in ppm) will not have any ill effects on humans, if it is less than
a)
0.2
b)
0.6
c)
1.2
d)
1.8
4.
Sulphur dioxide is contributed to the atmosphere mainly from
a)
Thermal power plant
b)
Automobile exhausts
c)
Nuclear power plants
d)
Incineration plants
5.
Which one of the following options contains only primary air pollutants
a)
Ozone and peroxy acetyl nitrate
b)
hydrocarbons and ozone
c)
Nitrogen oxides and peroxyacetyl nitrate
d)
hydrocarbons and nitrogen oxides
6.
Which of the following is (are) responsible for ozone layer depletion ?
a)
CFC
b)
HFC
c)
both a and b
d)
None of these
7.
Which of the following is a liquid form of aerosol?
a)
Fume
b)
Dust
c)
Mist
d)
Smoke
8.
The two air pollution control devices that are usually used to remove very fine particles from flue gases
a)
Cyclone and Venturi scrubber
b)
Cyclone and packed tower
c)
Electrostatic precipitator and fabric filters
d)
Settling chamber and Tray scrubber
9.
How many air Quality Index categories are in India
a)
4
b)
5
c)
6
d)
10
10.
The amount of Sulphur Dioxide released can be measured by
a)
Improved West and Gacke method
b)
Modified Jacab and Hochheiser method
c)
Gravimetric method
d)
NDIR method
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