Air Pollution Objective Type Questions & Answers | Air Pollution Quiz

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Questions
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

Answer: Refrigerants
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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

Answer: NO2
25 The minimum size of smoke particle is
A 0.2μm
B 1μm
C 0.8μm
D 0.5μm

Answer: 0.5μm
26 Which of the following is a secondary air pollutant?
A SPM
B PAN
C SO2
D NO2

Answer: PAN
27 The permissible concentration of PM 10 in the air is
A 60μg/m3
B 40μg/m3
C 50μg/m3
D 20μg/m3

Answer: 60μg/m3
28 Which of the following is/are inorganic gas (es)?
A Carbon monoxide
B Hydrogen sulphide
C Chlorine
D All of the above

Answer: All of the above
29 The threshold limit of benzene is
A 15ppm
B 20ppm
C 25ppm
D 30ppm

Answer: 25ppm
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

Answer: Biodiversity
31 'Ozone' in stratosphere absorbs harmful
A Dust particles
B Radiations
C Fumes
D Air Pollutants

Answer: Radiations
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

Answer: Fluorosis
35 SMOG is caused due to:
A Emissions from vehicles
B From incinerators
C Oil paints
D All of the above

Answer: 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

Answer: O2
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

Answer: 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

Answer: tetraethyl 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

Answer: A-1, B-3, 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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