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Quiz 16
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Q.1
Many people died in London in 1952 as result of air pollution producing
Mist
Fog
Smog
Sleet
Q.2
Sulphur dioxide present in the industrial chimney exhaust causes
Respiratory and lung disease
Reduction in plant's productivity owing to acid rain
Corrosion building materials
All of the above
Q.3
Bhopal gas tragedy is associated with leakage of
Carbon dioxide
Nitrogen dioxide
Sulphur dioxide
Methyl isocyanate
Q.4
Which of the following is an antidiabatic drug?
Insulin
Penicillin
Chloroquine
Aspirin
Q.5
Tear gas used by the police to disperse the mob contains
Carbon dioxide
Chlorine
Ammonia
Hydrogen sulphide
Q.6
What happens when a chemical bond is formed ?
Energy is always absorbed
Energy in always released
More energy is released than is absorbed
Energy is neither released nor absorbed
Q.7
Which of the following is not a nitrogenous fetiliser?
Ammonium sulphate
Urea
Ammonium nitrate
Superphosphate
Q.8
Warming ammonium chloride with sodium hydrochloride in a test tube is an example of
Open system
Closed system
Isobaric system
Isothermal system
Q.9
The tip of the match-stick contains
Phosphorus pentoxide
White phosphorus
Red phosphorus
Phosphorus trichloride
Q.10
Removal of carbon particles from air involves the principle of
Precipitation
Filteration
Electrophoresis
Sedimentation
Q.11
The function of skimming tank in sewage treatment is to remove
Oil and fatty substances
Suspended solids
Gritty substances
Inorganic substances
Q.12
Ozone depletion in the atmosphere is mainly caused by
Sulphur dioxide
Nitrogen dioxide
Hydrogen sulphide
Chlorofluorocarbon
Q.13
Heavy metal pollution of water is caused by:
Paints
Wood burning
Acid Plants
Domestic sewage
Q.14
High concentration hydrocarbon pollutants in atmospheric air causes
Cancer
Silicosis
Respiratory diseases (e.g.asthma)
Reduced crop yield
Q.15
Tear gas is :
Chloroprene
Carbonyl chloride
Nitrous oxide
Bleaching powder
Q.16
Tetra ethyle lead (TEL) is
A catalyst in burning fossil fuel
An antioxidant
A reductant
An antiknock compound
Q.17
Which halide is used in making sensitive emulsion on photograhic film?
Sodium chloride
Silver bromide
Silver iodide
Silver chloride
Q.18
The function of sedimentation tank in sewage treatment is to:
Disinfect the sewage
Remove water content
Aerate the sewage
Remove suspended solids
Q.19
Which of the following is also used as a Bio fertilizer?
Urea
Ammonia
Uric Acid
None of these
Q.20
The advantage of detergents over soaps is
Detergents are soluble in water
Detergents could not give much lather
Detergents give lather even with hard water
Soaps give lather with only soft water
Q.21
Which one of the following is used as a sowing agent in the preparation of soft drinks?
Phosphoric acid
Phosphorus acid
Salicylic acid
Boric acid
Q.22
Coating of solid waste with impervious material is known as
Encapsulation
Chemical fixation
Landfill
Capping
Q.23
Which of the following is a natural dye ?
Crystal violet
Aniline blue
Alizarin
Phenolphthalein
Q.24
Poison used for killing rats is
Calcium phosphide (Ca
3
P
2
)
Zinc phosphide (Zn
3
P
2
)
Magnesium nitride (Mg
3
N
2
)
Magnesium phosphide (Mg
3
P
2
)
Q.25
Physico-chemical characteristics of water in water sources undergo changes due to
Aquatic macrophytes
Auatic fungi
Effluents
Evapotranspiration
Q.26
Acid rain is caused due to emission of which of the following into the atmosphere ?
Oxides of nitrogen and sulphur
Carbon dioxide and carbon monoxide
Ozone and carbon dioxide
Carbon monoxide and nitrogen
Q.27
Ozone depletion in the stratosphere is mainly caused by
SO
2
NO
2
NO
Chlorofluorocarbons
Q.28
Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful
Solar ultraviolet radiation
Solar infrared radiation
CO
2
in the air
SO
2
in the air
Q.29
'Bhopal gas tragedy' 1984 is related to which gas
Aluminium Phosphide
Methyl bromide
Methyl isocyanate
Carbon dioxide
Q.30
Which one is not a primary greenhouse gases in the Earth's atmosphere?
Carbon dioxide
Methane
Nitrogen
Ozone
Q.31
Which of the following is secondary air pollutant ?
Photochemical smog
NO
2
Dust particles
SO
2
Q.32
Sullage water is –
Waste water released from kitchen
Waste water released from toilets
Waste water released from factories
Waste water released from hospitals
Q.33
Detergents clean surfaces on the principle of
Viscosity
Surface tension
Elasticity
Floatation
Q.34
Pyrethrin used in mosquito coil is obtained from
A seed plant
An insect
A bacterium
A fungus
Q.35
What is a common name for the substance which irritates lachrymal glands ?
Tear Gas
Laughing Gas
Anaesthetic Gas
Noble Gas
Q.36
Which one of the following group of gases contributes to the 'Green House Effect'?
Carbon dioxide and Methane
Ammonia and Ozone
Carbon monoxide and Sulphur dioxide
Carbon tetraflouride and Nitrous oxide
Q.37
The chemical used in developing photographic films is
Silver bromide
Hypo
Sodium sulphate
Hydroquinone
Q.38
Which one of the following is used as an anti-freeze for the automobile engines ?
Propyl alcohol
Ethanol
Methanol
Ethylene glycol
Q.39
Which one of the following organic compounds has fruity smell?
Alcohol
Aldehyde
Ester
Ether
Q.40
Which of the following is not a gaseous air pollutant?
Oxides of nitrogen
Hydrocarbon
Smoke
Oxides of sulphur
Q.41
Which of the following is ozone depleting pesticide ?
D.D.T.
Benzene
Methyl bromide
Ethylene ozonide
Q.42
When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocation of pond that does not leave enough oxygen needed to support life. This type of pollution is called
Smog
Eutrophication
Green house effect
None of these
Q.43
The gas liberated in the Bhopal gas tragedy was:
Pheynl isocynate
Acetylene
Ethylene
Methyl isocynate
Q.44
The material used in solar cells contains
Tin
Silicon
Caesium
Thallium
Q.45
London smog is found in
Summer during day time
Summer during morning time
Winter during morning time
Winter during day time
Q.46
Black lung disease occurs in people working in
Electroplating industry
Organic solvents industry
Paint manufacturing industry
Coal mines
Q.47
The least preferred technique in the disposal of Municipal Solid Waste is
Incineration
Composting
Land filling
Bricketting
Q.48
Which type of radiations are absorbed by the upper layer of the atmosphere?
Radio-waves
Infrared
Visible
Ultraviolet
Q.49
Taj Mahal is greatly affected due to :
Tourists
Acid rain
Deforestation
Sound pollution
Q.50
Normal rainwater is slightly acidic due to the presence of
Carbon dioxide
Sulphur dioxide
Methane
None of the above
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