Pollution Of Air And Water Questions

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Pollution Of Air And Water Questions

List of pollution of air and water Questions

Question No Questions Class
1 Describe the threat to the beauty of the
Taj Mahal
8
2 42. Acid Rain is caused due to pollu-
tion of atmosphere by
(1) Oxides of nitrogen and phos-
phorus
(2) Oxides of carbon and nitro-
gen
(3) Oxides of nitrogen and sul-
phur
(4) None of these
8
3 Deforestation leads to an increase in
the amount of ( C O_{2} ) in the air:
A. because the number of trees which consume ( C O_{2} ) is increased
B. because the number of trees which consume ( C O_{2} ) is reduced
c. because the number of trees which fix ( C O_{2} ) is reduced
D. None of the above
8
4 The Taj Mahal has become a matter of
concern:
A. because it is located in Agra city
B. because of its bustling manufacturing centre in the populous city
c. because pollutants in air are discolouring its white marble
D. none of these
8
5 Exhaust motor vehicle is the main
source of:
A. manganese
B. carbon monoxide
c. sulfur dioxide
D. nitrogen oxide
8
6 Which building material is least likely to be rapidly eroded by acid rain?
A. Marble
B. Sand stone
c. Granite
D. lime stone
8
7 Photochemical smog is related to pollution of:
A. Soil
B. Air
c. water
D. None of these
8
8 Which of the following deplete ozone
layer?
( A cdot S O_{2} )
в. ( C O_{2} )
c. ( c o )
D. NO and freons
8
9 The gas which causes yellowing of Tajmahal:
A ( . H_{2} S )
в. ( S O_{2} )
( c cdot C O_{2} )
D. ( N O_{2} )
8
10 What does CNG mean?
A. Compressed Natural Gas
B. Coal Natural Gas
c. Carbon Natural Gas
D. Carbon Nitrogen Gas
8
11 The very toxic gas which causes a headache, visual difficulty, paralysis, and even death in the human beings is:
A) ( C O_{2} )
B) ( boldsymbol{O}_{3} )
C) ( C O )
( A cdot A & B )
B. A
( c cdot c )
D. B
8
12 Monuments of marble can be destroyed
by:
A. sulphur dioxide pollution
B. carbon monoxide pollution
c. pesticide pollution
D. dust particles
8
13 In absorbtion method, the polluted air containing gaseous pollutants is passed through:
A. porous material with very small holes
B. flame combuster
c. scrubber containing a suitable liquid absorbent
D. strainer
8
14 What is the reason for a region of a lake turned into a dead zone?
A. Eutrophication
B. Acid rain
c. washed off fertilizers in the lake
D. All of the above
8
15 The burning of fossil fuels is the main source of which of the following pollutants?
A. Nitrogen
B. Carbon monoxide
c. Sulphur dioxide
D. Particulate matter
8
16 What is the harm from the depletion of
Earth’s ozone layer?
A. The average temperature of earth’s surface will increase gradually
B. The oxygen content of the atmosphere will decrease
C. Increased amount of Ultra violet radiation will reach earth’s surface
D. Sea levels will rise as the polar ice caps will gradually melt
8
17 Which of the following conclusions are
made on methane in natural
environment?
A. Methane is produced by methanogenesis in anoxic environment
B. The concentration of methane is 0.1 to ( 1.0 mu M ) for surface waters of lake
C. Methane produce in sediment bubbles and diffuses into the water column and is lost to the atmosphere, except during winter months
D. All of the above
8
18 Which of the following natural phenomenons releases chemicals which cause acid rains?
A. Volcanic eruptions
B. Lightning
c. Rotting vegetation
D. All
8
19 Waldsterben is an effect of
A. Ozone
B. Nitrogen oxide and sulphur oxide
c. Acid rain
D. All of the above
8
20 The concept of ‘Reduce, Reuse and
Recycle’ helps us to:
A. minimize the dependence on producing new things.
B. minimize the dependence on producing old things.
C. maximize the dependence on producing new things.
D. All of the above.
8
21 The major threat to Taj Mahal is:
( mathbf{A} ). acid rain.
B. hydrogen peroxide.
( c . ) Both a and b.
D. None of the above
8
22 Climate of the world is threatened by.
A. Increasing concentration of atmospheric oxygen
B. Decreasing amount of atmospheric oxygen
C. Increasing amount of atmospheric carbon dioxide
D. Decreasing amount of atmospheric carbon dioxide
8
23 Assertion (A): Aldehydes are one of the constituents of photochemical
( operatorname{sinog} )
Reason (R): Aldehydes are produced by photochemical oxidation of hydrocarbons by ozone.
A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true but R is not correct explanation of A.
c. A is true and ( mathrm{R} ) is false
D. A is false and R is true
8
24 Harmful gases like ( S O_{2}, ) which harm the Taj Mahal, are present in:
A. industrial areas
B. forests
c. highly populated areas
D. hills
8
25 Oxygen carrying capacity of human blood is reduced due to the pollution of air by
A ( cdot C O_{2} )
B. co
( c cdot S O_{2} )
D. ( O_{3} )
8
26 Industries like Mathura Oil Refinery
produce pollutants like:
A. sulphur dioxide
B. nitrogen dioxide
c. both a and ( b )
D. hydrochloric acid
8
27 Sulphurous smog is
A. Photochemical smog
B. Oxidising smog
c. classical smog
D. Los Angeles smog
8
28 Forest fire produces …… pollution.
A . air
B. water
( c . ) sea
D. soil
8
29 vnums vurull.
What do you mean by emission standard used in
automobiles ?
8
30 Acid rain pollutes:
This question has multiple correct options
( A ). air
B. water
c. soil
D. all of these
8
31 If heat radiated from Earth’s surface is
retained, outcome will be:
A. formation of smog
B. green house effect
c. van der Waals forces of attraction among smoke particles
D. all of these
8
32 Which of the following is not due to air pollution?
A. Thinning of the ozone layer
B. Increase in the number of diabetic patients
c. Destruction of habitats
D. Global warming
8
33 Which of the following is not a sink for
co?
A. Haemoglobin
B. Microorganims present in the soil
c. oceans
D. None of the above
8
34 The metal liberated into the
environment through exhaust fumes of motor vehicles is:
A. ( H g )
в. ( A ) s
( c . P b )
D. ( N O_{2} )
8
35 Governments have already taken action against air pollution by introducing
A. wind energy
B. solar energy
c. renewable energy
D. all of the above
8
36 Which of the following play significant role in depletion of ozone layer?
A. Oxides of nitrogen
B. Oxides of carbon
c. oxides of sulphur
D. None of these
8
37 High concentrations of carbon
monoxide ( (C O): )
A. reduces capacity of blood transport
B. reduces capacity of oxygen transportation through blood in body
C. is caused due to incomplete fossil decay
D. is caused due to smog formation
8
38 In order to save Taj, Supreme court has ordered the industries and vehicles to
switch to:
A . LPG
в. смG
c. unleaded petrol
D. All of the above
8
39 The ash can cause
problems.
A. digestive
B. reproductory
c. respiratory
D. nervous
8
40 The term smog was coined by
A. Fourier
B. Des Voeux
c. schouw
D. Ashbel
8
41 Incomplete combustion of petrol or diesel oil in automobile engines can be best detected by testing the fuel gases
for the presence of
A. carbon Monoxide and water vapour
B. carbon monoxide
c. nitrogen dioxide
D. sulphur dioxide
8
42 The quantity of ( C O_{2} ) in atmosphere can be decreased by :
A. Rain
B. Forests
c. vegetation
D. All of the above
8
43 Which of the following problems is associated with the burning of coal?
A. Acid rain
B. Carbon dioxide emissions
c. Ash with toxic metal impurities
D. All of these
8
44 Identify the pollutant gases largely responsible for the discoloured and lustreless nature of marble of the Taj Mahal.
A. ( C O_{2} ) and ( N O_{2} )
в. ( S O_{2} ) and ( N O_{2} )
( mathrm{c} cdot mathrm{O}_{3} ) and ( mathrm{CO}_{2} )
( mathrm{D} cdot mathrm{SO}_{2} ) and ( mathrm{O}_{3} )
8
45 What makes the normal rain water
acidic?
A. Presence of dust particles in air
B. Presence of ( C O_{2} ) in atmosphere
C. Presence of ozone in atmosphere
D. All of the above
8
46 Among the most polluted cities in India,
Delhi stands at
(According to latest annual average values)
A. Second most polluted
B. Third most polluted
c. Fourth most polluted
D. Fifth most polluted
E. Sixth most polluted
8
47 Traffic policeman in Tokyo
A. Wears gas mask
B. Requires daily oxygen treatment
C. Suffers from black lung disease
D. All the above
8
48 Pollution can bring about change in
A. Biogeochemical cycling
B. Abiotic environment
c. Biotic environment
D. None of the above
8
49 Aerosol decrease primary productivity
by
A. Decreasing ( O_{2} ) concentration
B. Competing with ( C O_{2} )
C. Preventing ( N_{2} ) fixation
D. Reducing photosynthesis
8
50 In cities like Bombay and Calcultta, the major air pollutants is/are:
A . ozone
B. carbon monoxide and oxides of sulphur
c. hydrocarbons and not air
D. algal spores and marsh gas
8
51 The most abundant hydrocarbon
pollutant is:
A. Ethane
B. Methane
C. Propane
D. Butane
8
52 Which of the following are the source for hydrocarbons as pollutants?
A. Anaerobic bacterial decomposition of organic matter
B. Forest fires and trees
c. combustion of Fuels
D. All of the above
8
53 Which of the following is not the source of hydrocarbon as a pollutant?
A. Man-made sources
B. Sources of methane
c. Fly ash
D. oxide of sulphur
8
54 The pollutants in the air are:
A. melting white marbles of Taj Mahal.
B. discoloring white marbles of Taj Mahal.
C. forming cracks in the marbles of Taj Mahal.
D. all of above
8
55 The important conclusions on the
formation of trihalomethanes are which
of the following?
A. Chlorination of natural waters causes the formation of chloroform and other trihalomethanes because of the
reaction of ( O C l^{-} ) on DOC present in the water
B. Use of both ammonia and chlorine in water treatment
has reduced the level of the trihalomethanes due to
the formation of the chloroamines, which react more slowly than free chlorine
C. Finally, the concentration of the trihalomethanes above ( 100 mu ) g/l are considered unsafe for drinking water
D. All of the above
8
56 Which among the following are found to be one of the pollutants of air pollution?
A. Chloroflorocarbon
B. Nitrogen
c. Carbon dioxide
D. oxygen
8
57 Large increase in absorption of UV-
radiation of ( 260 mathrm{nm} ) by melted DNA duplex is called
A. Gaidukov phenomenon
B. Position effect
c. DNA compaction
D. Hyperchromic effect
8
58 ( S O_{2} ) is a dangerous air pollutant and harms plant life. What changes in the plant indicates its toxic effects?
A. Darkening of leaves
B. Withering of leaves
c. Falling of leaves
D. Bleaching of leaves
8
59 Among the following, which will not help
to reduce air pollution?
A. Burn household rubbish in incinerators
B. Use catalytic converters on motor vehicles
C. Fix electric precipitators to factory chimneys
D. Ban smoking in public places such as in offices
8
60 Which of the following pose threat to historical monument Taj Mahal?
A. Floods in Yanuna river
B. Temperature mediated spoilage of marble
c. Air pollutants from Mathura refinery
D. Weathering of marble
8
61 Explain the role of citizen in pollution
control.
8
62 The following diseases are related to smoking except:
A . emphysema
B. measles
C. high blood pressure
D. cancer of the lungs
8
63 Air pollution effects are usually found
on
A . Leaves
B. Flowers
c. stems
D. Roots
8
64 Example of primary pollutant:
This question has multiple correct options
( A cdot S O_{2} )
в. ( C O_{2} )
c. Hydrocarbon
D. ( C O )
8
65 Growing more trees helps to
A ( cdot ) reduce ( O_{2} ) in the environment
B. increase ( C O_{2} ) in the environment
C. reduce ( C O_{2} ) only in the environment
D. reduce ( C O_{2} ) and increase ( O_{2} ) in the environment
8
66 Ozone layer of stratosphere requires protection from indiscriminate use of:
A. fungicides, insecticides, bactericides and medicines
B. aerosols and high flying jets
C. atomic explosions and industrial wastes
D. weather balloons
8
67 Green plants during day time absorb:
A. ( O_{2} )
в. ( C O_{2} )
( c cdot c o )
D. ( N_{2} )
8
68 Enriched air if inhaled for long time
causes
A . Allergy
B. Bronchitis
c. Disturbance of psychomotor function
D. Diarrhoea
8
69 Experts have warned about Taj Mahal
that:
A. pollutants in air are discolouring its white marble
B. pollutants in water are discolouring its white marble
C . pollutants in land are discolouring its white marble
D. all of the above
8
70 How can we save the environment from
degradation by reducing the number of fossil fuels to be burned?
A. By using public mode of transportation
B. By conserving energy
c. By using efficient device
D. All of these
8
71 The pollutants released by jet aeroplanes in the atmosphere as fluorocarbons are:
A. photochemical oxidants
B. photochemical reductants
c. aerosols
D. physical pollutants
8
72 1.
co, is chief gas responsible for global warming (Green
house effect), why?
8
73 Which of these is the major air pollutant in cities like Delhi and
Kolkata?
A. Carbon monoxide
B. Hydrocarbons
c. suspended particulate matter
D. Oxides of nitrogen
8
74 What is the role of plants in controlling air pollution and soil erosion? 8
75 Carbon particles and smoke from
factories:
A. increase the rate of respiration in plants
B. decrease the rate of photosynthesis in plants
C. increase the absorption of carbon dioxide by plants
D. decrease the rate of transpiration in plants
8
76 How individuals can help to prevent acid rains?
A. By using public transportation
B. Using the electrical energy efficiently
c. simply walking wherever possible
D. All
8
77 A pollutant that affects the lungs and the respiratory track is:
( A cdot S O_{2} )
B. Hydrocarbons
( c cdot O_{3} )
D. ( C O_{2} )
8
78 Solar energy stored in material such as wood, grain, sugar, and municipal waste is called:
A . fossil fuels
B. biomass
c. geothermal energy
D. natural gas
8
79 Oxides of sulphur present in the atmosphere are washed down by rain and would result in:
A. lowering of ( p H ) of the soil
B. increase in ( p H ) of the soil
c. increase in ( O_{3} ) quantities
D. none of these
8
80 3, 4-benzopyrene causes
A. Leukaemia
B. Cytosilicosis
C. Lung cancer
D. Tuberculosis
8
81 Which of the following is the source of
( boldsymbol{S} boldsymbol{O}_{boldsymbol{x}} ) pollution?
A) Volcanoes
B) Fossil fuel
C) Thermal power plant
( A cdot A & B )
B. B & ( c )
( c cdot c & A )
D. ( A, B & C )
8
82 Among the following, the only secondary pollutant is:
( A cdot S O_{2} )
в. ( C O )
( c cdot O_{3} )
D. ( N O )
8
83 At an individual level, how can you help reduce air pollution? 8
84 Which of the following is a silent killer gas, which combines with haemoglobin in the blood?
A ( cdot C O_{2} )
в. ( C O )
c. ( N O )
D. ( N O_{2} )
8
85 Carbon monoxide (CO) causes:
A. numbness of brain
B. secretion of adrenaline
C. weakening of the wall of alveoli
D. risk of atherosclerosis
8
86 In thermal inversion.
A. Warm ground air gets overlapped by cool air
B. Cool ground air gets overlapped by warm air
C. Ground temperature becomes high in winter
D. Ground temperature becomes low in summer
8
87 The pollutants released by jet aeroplanes inthe atomsphere as fluorocarbons are called:
A. photochemical oxidants
B. photochemical reductants
c. aerosols
D. physical pollutants
8
88 Photochemical smog is generally formed:
A. in early hours of winters
B. around mid day in summer months
c. when intensity of solar radiations is very low
D. when concentration of particulate matter is very low
8
89 Acid rain corrodes the marble of the
monument. The phenomenon is also called:
A. destruction
B. marble cancer
c. corrosion
D. rusting
8
90 Modes of controlling pollution in large cities include(s):
A. less use of insecticides
B. proper disposal of organic wastes, sewage and industrial effluents
c. shifting of factories out of the residential area
D. all the above
8
91 Bhopal gas tragedy in 1984 was caused by :
A. carbon monoxide
B. phosgene
c. methyl isocyanide
D. methyl isocyanate
8
92 In acid rain, pH of rain water is:
A. 7
в. 9.
c. more than 9.6
D. below 5.6
8
93 Experts are worried about Taj mahal
because:
A. pollutants in air are discolouring its white marble
B. it is not only living organisms that get affected by polluted air
C. non-living things like buildings, monuments and statues also get affected
D. all of the above
8
94 Which of the following represents the poisonous gas which caused the tragedy in Bhopal in ( 1984 ? )
A. ( C H_{3} C=N=S )
в. ( C H_{3}-N=C=O )
c. ( C H_{3}-N=C=S )
D. ( C H_{3}-O-N=C )
8
95 40. Tobacco smoke contains
(1) CO2, CO Hydrocarbon and
Tar
(2) CO,, CO and Tar
(3) CO, and Tar
(4) CO, Polycyclic aromatic hydro-
carbon and Tar
8
96 Haemoglobin of the blood forms carboxyhaemoglobin with:
A ( cdot C O_{2} )
в. ( C O )
( c cdot S O_{2} )
D. ( N O_{2} )
8
97 The most important gas which leads to acidification is:
A. hydrochloric acid
B. sulphur dioxide
c. sulphurous acid
D. hydrogen peroxide
8
98 Describe the natural source of
production of Hydrocarbon.
8
99 Which of the following measures can be
taken up to control air pollution?
A. Planting trees
B. Travelling to school on a bicycle or on public transport or carpooling
C. Restricting cigarette smoking
D. All of the above
8
100 Thermal pollution causes a decrease in
dissolved oxygen.
A. True
B. False
8
101 Carbon monoxide is naturally produced by oxidation of ( underline{X}, ) a gas present in swamp area while it can be produced by ( Y ) of fuels containing carbon
A. ( x-C O_{2}, Y= ) complete combustion
B . ( x-C H_{4}, Y= ) incomplete combustion
c. ( x=c, Y= ) oxidation
D. ( x=C H_{4}, Y= ) complete combustion
8
102 Disease aggravated by pollution is
A. Scurvy
B. Rheumatism
c. Haemophilia
D. Bronchitis
8
103 Fluorocarbons are effective scavengers
for ozone due to:
A. photolytic reaction of ( O_{2} ) producing ( C l ) radicals
B. photolytic decomposition of ( O_{3} ) producing ( O ) radicals
C. photolytic decomposition of ( O_{3} ) by ( C l ) radicals into ( O_{2} )
D. photolytic production of oxides of nitrogen
8
104 Acids in the rain react with the calcium
compounds in the stones to create:
A. sulphuric acid
B. calcium hydroxide
c. gypsum
D. All of the above
8
105 Assertion
Emphysema disease is very common in
Kanpur and Kolkata.
Reason
It is a disease of respiratory tract
occuring due to pollution.
A. Both Assertion and Reason are correct and Reason is
the correct explanation for Assertion.
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
C. Assertion is correct but Reason is incorrect.
D. Both Assertion and Reason are incorrect.
8
106 Solutions for air pollution is/are:
A. use public mode of transportation
B. conserve energy
c. concept of reduce, reuse and recycle
D. all of the above
8
107 The poisonous gas emitted by motor vehicles is
A. ( C O_{2} )
в. ( C O )
( c cdot S O_{2} )
D. ( N O_{2} )
8
108 Acid rain:
A. reduces fertility of soil
B. damage vegetation
C. affects marble monuments
D. all of these
8
109 Beauty of Taj may be destroyed by
A. Flood in Yamuna
B. Temperature mediated spoilage of marble
C. Air pollutants from Mathura refinery
D. All of the above
8
110 Aerosols, decrease primary productivity by
A. Decreasing ( O_{2} ) concentration
B. Preventing ( N_{2} ) fixation
c. Reducing photosynthesis
D. None of the above
8
111 Adsorption method uses to
separate pollutants from air.
A . funne
B. porous solid
c. sand
D. scrubber
8
112 Hydrocarbon PCB is called
( a s )
A. polychlorinated biphenyls
B. polycalcium biphenyls
C . polychlorinated bicarbonate
D. none of the above
8
113 Carbon monoxide gas is more dangerous than carbon dioxide gas. Why? 8
114 ( begin{array}{ll}text { List I } & text { List II } \ text { a. Troposphere } & 1.11-50 mathrm{Km} \ text { b. Stratosphere } & 2.85-500 mathrm{Km} \ text { c. Mesosphere } & text { 3. 0-11 Km } \ text { d. Thermosphere } & text { 4. 50-85 Km } \ text { 5. Above 500 Km } & text { 1) }end{array} )
The correct match is:
A. ( a-5, b-2, c-3, d-4 )
B. ( a-1, b-2, c-3, d-4 )
( c cdot a-3, b-1, c-4, d-2 )
D. ( a-2, b-4, c-5, d-1 )
8
115 Taj Mahal is being slowly disfigured and discoloured. this is primarily due to:
A. Water pollution
B. Global warming
c. soil pollution
D. Acid rain
8

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