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Free download in PDF Air Pollution Objective type Questions & Answers. These multiple choice questions on Air Pollution are very useful for SSC, UPSC, Railways exams etc.
(21)
Which is the major source for sulphur dioxide?
[A]
Volcanic eruptions
[B]
Coal and crude oil combustion
[C]
Burning of petrol
[D]
Sewage treatment process
Answer: Coal and crude oil combustion
(22)
Which of the following is a source for boron air pollution?
[A]
Rockets and jets
[B]
Automobiles
[C]
Soap industries
[D]
Refrigerants
(23)
Which are the sources of arsenic pollution?
[A]
Coal and petroleum
[B]
Detergents and pesticides
[C]
Mine tailings
[D]
All of the mentioned
Answer: All of the mentioned
(24)
X ray films are a source of which of the following gas?
[A]
SO2
[B]
CO2
[C]
NO2
[D]
SO3
(25)
The minimum size of smoke particle is
[A]
0.2μm
[B]
1μm
[C]
0.8μm
[D]
0.5μm
(26)
Which of the following is a secondary air pollutant?
[A]
SPM
[B]
PAN
[C]
SO2
[D]
NO2
(27)
The permissible concentration of PM 10 in the air is
[A]
60μg/m3
[B]
40μg/m3
[C]
50μg/m3
[D]
20μg/m3
(28)
Which of the following is/are inorganic gas (es)?
[A]
Carbon monoxide
[B]
Hydrogen sulphide
[C]
Chlorine
[D]
All of the above
(29)
The threshold limit of benzene is
[A]
15ppm
[B]
20ppm
[C]
25ppm
[D]
30ppm
(30)
Variety of life forms, expressed as a number of species in an area, known as
[A]
Biodiversity
[B]
Ecological Diversity
[C]
Ecosystem
[D]
All of Above
31
'Ozone' in stratosphere absorbs harmful
[A]
Dust particles
[B]
Radiations
[C]
Fumes
[D]
Air Pollutants
32
Which of the following is the major photochemical smog?
[A]
Peroxyl acetyl nitrate
[B]
Smog
[C]
Hydrogen peroxide
[D]
Chlorofluorocarbon
Answer: Chlorofluorocarbon
33
Which of the following diseases are caused by the smog?
(i)Rickets
(ii)Throat Cancer
(iii)Skin Cancer
(iv)Breathing Problem
Options are:
[A]
Both (i) and (ii)
[B]
Both (iii) and (iv)
[C]
(i), (ii) and (iii)
[D]
(i), (ii) and (iv)
Answer: (i), (ii) and (iv)
34
Excess of fluoride in drinking water causes:
[A]
Lung disease
[B]
Intestinal infection
[C]
Fluorosis
[D]
All of the above
35
SMOG is caused due to:
[A]
Emissions from vehicles
[B]
From incinerators
[C]
Oil paints
[D]
All of the above
36
Affinity of hemoglobin for CO is two hundred times more considerable than
[A]
O2
[B]
CO2
[C]
Sox
[D]
Nox
37
Major source of emissions in a motor vehicle: crackcase, carburettors, fuel tank and
[A]
Crackcase
[B]
Fuel tank
[C]
The engine exhaust
[D]
All of above
38
Which of the following is used as antiknock compound in gasoline?
[A]
tetramethyl lead
[B]
tetraethyl lead
[C]
trimethyl lead
[D]
triethyl lead
39
The list of industrial sources of air pollution and their emissions are given. Match the following.
A. Ammonia 1. Carbon monoxide
B. Plating 2. Particulates
C. Fertilizers 3. Metal fumes
The correct order is
[A]
A-1, B-2, C-3
[B]
A-3, B-2, C-1
[C]
A-1, B-3, C-2
[D]
A-3, B-1, C-2
40
The principal source of volatile organics (Hydrocarbons) is
[A]
Transportation
[B]
Industrial processes
[C]
Stationary fuel combustion
[D]
Volcanoes
Answer: Industrial processes
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