ENVIRONMENTAL SCIENCE- PAGE 1
ENVIRONMENTAL SCIENCE MCQs- PAGE 1
1:-Three Gorges is a
A:-Nuclear reactor
B:-Dam
C:-Biosphere reserve
D:-A lake in USA
Ans: B
2:-The science of cryogenic deals with
A:-Crystallography
B:-Low temperature
C:-Low pressure
D:-Missile technology
Ans: B
3:-The salt concentration in the open sea is
A:-1.5%
B:-2.5%
C:-3.0%
D:-3.5%
Ans: D
4:-Monsanto is the firm behind introduction of _______ in India.
A:-Mobile phones
B:-BT-cotton
C:-LCD Television
D:-Plasma TV
Ans: B
5:-EI-Nino is
A:-A freshwater lake
B:-An Ocean current
C:-An air current
D:-A Glacier
Ans: B
6:-'Kerogen' is
A:-Protein found in Human hair
B:-Protein found in cow's milk
C:-Substance found in Fungal cell wall
D:-Solid waxy mixture of hydrocarbons
Ans: D
7:-Very low BOD level of a water body indicates that the water is
A:-Less polluted
B:-Highly polluted
C:-Rich in heavy metals
D:-Contain more organic matter
Ans: A
8:-A vibrational spectroscopy is otherwise known as
A:-IR spectroscopy
B:-Microwave spectroscopy
C:-Electronic spectroscopy
D:-Raman spectroscopy
Ans: A
9:-'Denitrifiers' do the job of converting
A:-`NH_(4)` into `NO_(2)`
B:-`NH_(4)` into `NO_(3)`
C:-`NO_(3)` into Nitrogen
D:-Nitrogen into `NO_(3)`
Ans: C
10:-_________ is the zone of ocean where producers of food chain are rarely found.
A:-Littoral
B:-Limnetic
C:-Aphotic of deep sea
D:-Inter tidal
Ans: C
11:-'Tektites' are
A:-Solidified droplets of molten rock
B:-Sediments
C:-Meteorites
D:-Satellites
Ans: A
12:-Anemometer is used to measure
A:-Rain fail
B:-Humidity
C:-Air temperature
D:-Wind velocity
Ans: D
13:-The spectroscopy based on scattering principle is
A:-Raman
B:-NMR
C:-Electronic
D:-Microwave
Ans: A
14:-Mycorrhizal association occurs between : Fungi and
A:-Angiosperms
B:-Moss
C:-Pteridophytes
D:-Algae
Ans: A
15:-How many Mega diversity hot spots are present in India ?
A:-3
B:-5
C:-2
D:-1
Ans: C
16:-Erawady dolphins are found in
A:-Vembanadu lake
B:-Chilka lake
C:-Keibul lamjao
D:-Lake Superior
Ans: B
17:-Identify 'Quick lime' from the following
A:-`Ca(OH)_(2)`
B:-CaO
C:-`CaCO_(3)`
D:-`CaHCO_(3)`
Ans: B
18:-Biodegradable plastics contains
A:-PAH
B:-PCB
C:-PHA
D:-POP
Ans: C
19:-Which one of the following is not found in acid rain ?
A:-`CH_(3)`COOH
B:-`HNO_(3)`
C:-`H_(2)``SO_(3)`
D:-`H_(2)``SO_(4)`
Ans: A
20:-'Epigeics' is a term related to
A:-Birds
B:-Fishes
C:-Mammals
D:-Earthworms
Ans: D
A:-Nuclear reactor
B:-Dam
C:-Biosphere reserve
D:-A lake in USA
Ans: B
2:-The science of cryogenic deals with
A:-Crystallography
B:-Low temperature
C:-Low pressure
D:-Missile technology
Ans: B
3:-The salt concentration in the open sea is
A:-1.5%
B:-2.5%
C:-3.0%
D:-3.5%
Ans: D
4:-Monsanto is the firm behind introduction of _______ in India.
A:-Mobile phones
B:-BT-cotton
C:-LCD Television
D:-Plasma TV
Ans: B
5:-EI-Nino is
A:-A freshwater lake
B:-An Ocean current
C:-An air current
D:-A Glacier
Ans: B
6:-'Kerogen' is
A:-Protein found in Human hair
B:-Protein found in cow's milk
C:-Substance found in Fungal cell wall
D:-Solid waxy mixture of hydrocarbons
Ans: D
7:-Very low BOD level of a water body indicates that the water is
A:-Less polluted
B:-Highly polluted
C:-Rich in heavy metals
D:-Contain more organic matter
Ans: A
8:-A vibrational spectroscopy is otherwise known as
A:-IR spectroscopy
B:-Microwave spectroscopy
C:-Electronic spectroscopy
D:-Raman spectroscopy
Ans: A
9:-'Denitrifiers' do the job of converting
A:-`NH_(4)` into `NO_(2)`
B:-`NH_(4)` into `NO_(3)`
C:-`NO_(3)` into Nitrogen
D:-Nitrogen into `NO_(3)`
Ans: C
10:-_________ is the zone of ocean where producers of food chain are rarely found.
A:-Littoral
B:-Limnetic
C:-Aphotic of deep sea
D:-Inter tidal
Ans: C
11:-'Tektites' are
A:-Solidified droplets of molten rock
B:-Sediments
C:-Meteorites
D:-Satellites
Ans: A
12:-Anemometer is used to measure
A:-Rain fail
B:-Humidity
C:-Air temperature
D:-Wind velocity
Ans: D
13:-The spectroscopy based on scattering principle is
A:-Raman
B:-NMR
C:-Electronic
D:-Microwave
Ans: A
14:-Mycorrhizal association occurs between : Fungi and
A:-Angiosperms
B:-Moss
C:-Pteridophytes
D:-Algae
Ans: A
15:-How many Mega diversity hot spots are present in India ?
A:-3
B:-5
C:-2
D:-1
Ans: C
16:-Erawady dolphins are found in
A:-Vembanadu lake
B:-Chilka lake
C:-Keibul lamjao
D:-Lake Superior
Ans: B
17:-Identify 'Quick lime' from the following
A:-`Ca(OH)_(2)`
B:-CaO
C:-`CaCO_(3)`
D:-`CaHCO_(3)`
Ans: B
18:-Biodegradable plastics contains
A:-PAH
B:-PCB
C:-PHA
D:-POP
Ans: C
19:-Which one of the following is not found in acid rain ?
A:-`CH_(3)`COOH
B:-`HNO_(3)`
C:-`H_(2)``SO_(3)`
D:-`H_(2)``SO_(4)`
Ans: A
20:-'Epigeics' is a term related to
A:-Birds
B:-Fishes
C:-Mammals
D:-Earthworms
Ans: D
21:-In aerobic metabolism oxygen is the terminal electron acceptor, in ______ metabolism Nitrate is the terminal electron acceptor
A:-Anaerobic
B:-Anoxic
C:-Obligate aerobic
D:-Fermentation
Ans: B
22:-The amount of `O_(3)` present in atmosphere above a particular location is measured in
A:-ppm
B:-ppb
C:-Dobson Unit
D:-mg
Ans: C
23:-Meteorology is the study of
A:-Atmospheric phenomena
B:-Meteors
C:-Climate
D:-All of them
Ans: A
24:-Montreal protocol is related to
A:-Reducing `CO_(2)` emission
B:-Reducing emission of CFCs
C:-Reducing the use of pesticides
D:-All of the above
Ans: B
25:-Love canal is linked with
A:-Nuclear power plant
B:-Hazardous waste
C:-Algal bloom
D:-Aral sea
Ans: B
26:-Piping is a phenomenon observed
A:-In the atmosphere
B:-Above earth surface
C:-In the water column
D:-Below earth surface
Ans: D
27:-Mad hatter disease is linked with
A:-Cadmium
B:-Mercury
C:-Arsenic
D:-Chromium
Ans: B
28:-London smog is due to high concentration of
A:-Oxides of nitrogen
B:-Oxides of sulphur
C:-Oxides of carbon
D:-Volatile organic compounds
Ans: B
29:-The saturation concentration of `O_(2)` at sea level is 8.3 mg/L at _______ °C.
A:-0
B:-20
C:-25
D:-30
Ans: C
30:-Which pesticide is linked with Bhopal gas tragedy ?
A:-DDT
B:-Sevin
C:-Aldrin
D:-Deldrin
Ans: B
31:-The most abundant fossil fuel in planet earth is
A:-Peat
B:-Bitumen
C:-Coal
D:-Crude Oil
Ans: C
32:-Which is causing both global warming and ozone depletion ?
A:-Methane
B:-Nitrous oxide
C:-Water vapour
D:-Carbon dioxide
Ans: B
33:-Global warming will not result in
A:-Melting of the ice caps
B:-Increasing sea levels
C:-Increasing the size of the hole in the ozone layer
D:-Unpredictable climate patterns
Ans: C
34:-CDM technologies are linked to
A:-Climate change
B:-`CO_(2)` release by plants
C:-Ozone depletion
D:-Red rains
Ans: A
35:-______ poisoning is known as plumbism.
A:-Copper
B:-Mercury
C:-Lead
D:-Chromium
Ans: C
36:-Which one of the following is linked with Methaemoglobinaemia ?
A:-Methyl mercury
B:-Nitrate
C:-Cadmium
D:-Arsenic
Ans: B
37:-Thermocline in a lake is the zone of
A:-Constant temperature
B:-Rapid temperature change
C:-High temperature
D:-High temperature with neutral pH
Ans: B
38:-Critical species whose extinction cause major changes, may also threaten existence of other species constitute a
A:-Source population
B:-Sink population
C:-Metapopulation
D:-Keystone species
Ans: D
39:-According to WHO, maximum permissible level of fluoride in drinking water is ________ ppm.
A:-0.3
B:-0.5
C:-1.5
D:-1.0
Ans: C
40:-The earthquake rated as major is with ________ magnitude on Richter scale.
A:->8
B:-7-7.9
C:-6-6.9
D:-5-5.9
Ans: B
41:-Tsunami – literally means
A:-Giant waves
B:-Water wall
C:-Harbor waves
D:-Destructive waves
Ans: C
42:-The energy transfer in the food chain is an example of __________ law of thermodynamics.
A:-First
B:-Second
C:-Third
D:-Zeroth
Ans: B
43:-The lakes which are poor in nutrients and productivity are ___________ lakes.
A:-Mesotrophic
B:-Very small
C:-Eutrophic
D:-Oligotrophic
Ans: D
44:-Black colour of the black soils is due to the high content of
A:-Sodium
B:-Potassium
C:-Copper
D:-Humus
Ans: D
45:-Which one is an example for a secondary air pollutant ?
A:-`SO_(x)`
B:-`NO_(x)`
C:-PAN
D:-CFC
Ans: C
46:-Silent spring is a _________ on ___________.
A:-Documentary, climate change
B:-Movie, Antarctica
C:-Book, melting of polar ice
D:-Book, pesticide toxicity
Ans: D
47:-Abyssal zones are located in
A:-Ponds
B:-Rivers
C:-Lakes
D:-Oceans
Ans: D
48:-The chemical reaction CI +`O_(3)` → CIO + `O_(2)` results in
A:-Ozone depletion
B:-Melting of permafrost
C:-Glaciations
D:-Greenhouse effect
Ans: A
49:-The maximum amount of water that the soil can hold after the loss of gravitational water is known as
A:-Hygroscopic water
B:-Field capacity
C:-Capillary water
D:-Stored water
Ans: B
50:-Limnology is a study of
A:-Aging
B:-Tics and mites
C:-Fresh water bodies
D:-Termites
Ans: C
51:-'Silviculture' refers to the practice of
A:-Honey bee keeping
B:-Growing Silk-worms
C:-Forest management with objective of producing specific plants
D:-Silver fish culturing
Ans: C
52:-An example of fossil fuel is
A:-Wood
B:-Gobar gas
C:-Charcoal
D:-Gasoline
Ans: D
53:-The ecosystem of stagnant fresh water habitat is known as __________ ecosystem.
A:-Standing crop
B:-Lentic
C:-Lotic
D:-Abyssal
Ans: B
54:-'Photochemical smog' is caused by the interaction of
A:-Hydrocarbons and Ozone
B:-Hydrocarbons and `NO_(x)`
C:-`NO_(x)` and Ozone
D:-Hydrocarbons, `NO_(x)` and Ozone
Ans: D
55:-'Ramsar Convention' is for
A:-Wetlands
B:-Tropical Forests
C:-Oceans
D:-Mountains
Ans: A
56:-Graphite is used as _________ in ___________.
A:-Surface coat, electronic chip
B:-Brush, electronic devices
C:-Moderator, nuclear reactors
D:-Packing material, GC columns
Ans: C
57:-Heliophytes are plants which grow in
A:-Full sunlight
B:-Low intensity of light
C:-Complete darkness
D:-Salt water
Ans: A
58:-Sea water will boil at a temperature
A:-Higher than pure water
B:-Lower than pure water
C:-Same as that of pure water
D:-Cannot be predicted, it can be higher, same or lower
Ans: A
59:-__________ was absent on earth's atmosphere during the early days of origin of life.
A:-`CO_(2)`
B:-`CH_(4)`
C:-`H_(2)`
D:-`O_(2)`
Ans: D
A:-Anaerobic
B:-Anoxic
C:-Obligate aerobic
D:-Fermentation
Ans: B
22:-The amount of `O_(3)` present in atmosphere above a particular location is measured in
A:-ppm
B:-ppb
C:-Dobson Unit
D:-mg
Ans: C
23:-Meteorology is the study of
A:-Atmospheric phenomena
B:-Meteors
C:-Climate
D:-All of them
Ans: A
24:-Montreal protocol is related to
A:-Reducing `CO_(2)` emission
B:-Reducing emission of CFCs
C:-Reducing the use of pesticides
D:-All of the above
Ans: B
25:-Love canal is linked with
A:-Nuclear power plant
B:-Hazardous waste
C:-Algal bloom
D:-Aral sea
Ans: B
26:-Piping is a phenomenon observed
A:-In the atmosphere
B:-Above earth surface
C:-In the water column
D:-Below earth surface
Ans: D
27:-Mad hatter disease is linked with
A:-Cadmium
B:-Mercury
C:-Arsenic
D:-Chromium
Ans: B
28:-London smog is due to high concentration of
A:-Oxides of nitrogen
B:-Oxides of sulphur
C:-Oxides of carbon
D:-Volatile organic compounds
Ans: B
29:-The saturation concentration of `O_(2)` at sea level is 8.3 mg/L at _______ °C.
A:-0
B:-20
C:-25
D:-30
Ans: C
30:-Which pesticide is linked with Bhopal gas tragedy ?
A:-DDT
B:-Sevin
C:-Aldrin
D:-Deldrin
Ans: B
31:-The most abundant fossil fuel in planet earth is
A:-Peat
B:-Bitumen
C:-Coal
D:-Crude Oil
Ans: C
32:-Which is causing both global warming and ozone depletion ?
A:-Methane
B:-Nitrous oxide
C:-Water vapour
D:-Carbon dioxide
Ans: B
33:-Global warming will not result in
A:-Melting of the ice caps
B:-Increasing sea levels
C:-Increasing the size of the hole in the ozone layer
D:-Unpredictable climate patterns
Ans: C
34:-CDM technologies are linked to
A:-Climate change
B:-`CO_(2)` release by plants
C:-Ozone depletion
D:-Red rains
Ans: A
35:-______ poisoning is known as plumbism.
A:-Copper
B:-Mercury
C:-Lead
D:-Chromium
Ans: C
36:-Which one of the following is linked with Methaemoglobinaemia ?
A:-Methyl mercury
B:-Nitrate
C:-Cadmium
D:-Arsenic
Ans: B
37:-Thermocline in a lake is the zone of
A:-Constant temperature
B:-Rapid temperature change
C:-High temperature
D:-High temperature with neutral pH
Ans: B
38:-Critical species whose extinction cause major changes, may also threaten existence of other species constitute a
A:-Source population
B:-Sink population
C:-Metapopulation
D:-Keystone species
Ans: D
39:-According to WHO, maximum permissible level of fluoride in drinking water is ________ ppm.
A:-0.3
B:-0.5
C:-1.5
D:-1.0
Ans: C
40:-The earthquake rated as major is with ________ magnitude on Richter scale.
A:->8
B:-7-7.9
C:-6-6.9
D:-5-5.9
Ans: B
41:-Tsunami – literally means
A:-Giant waves
B:-Water wall
C:-Harbor waves
D:-Destructive waves
Ans: C
42:-The energy transfer in the food chain is an example of __________ law of thermodynamics.
A:-First
B:-Second
C:-Third
D:-Zeroth
Ans: B
43:-The lakes which are poor in nutrients and productivity are ___________ lakes.
A:-Mesotrophic
B:-Very small
C:-Eutrophic
D:-Oligotrophic
Ans: D
44:-Black colour of the black soils is due to the high content of
A:-Sodium
B:-Potassium
C:-Copper
D:-Humus
Ans: D
45:-Which one is an example for a secondary air pollutant ?
A:-`SO_(x)`
B:-`NO_(x)`
C:-PAN
D:-CFC
Ans: C
46:-Silent spring is a _________ on ___________.
A:-Documentary, climate change
B:-Movie, Antarctica
C:-Book, melting of polar ice
D:-Book, pesticide toxicity
Ans: D
47:-Abyssal zones are located in
A:-Ponds
B:-Rivers
C:-Lakes
D:-Oceans
Ans: D
48:-The chemical reaction CI +`O_(3)` → CIO + `O_(2)` results in
A:-Ozone depletion
B:-Melting of permafrost
C:-Glaciations
D:-Greenhouse effect
Ans: A
49:-The maximum amount of water that the soil can hold after the loss of gravitational water is known as
A:-Hygroscopic water
B:-Field capacity
C:-Capillary water
D:-Stored water
Ans: B
50:-Limnology is a study of
A:-Aging
B:-Tics and mites
C:-Fresh water bodies
D:-Termites
Ans: C
51:-'Silviculture' refers to the practice of
A:-Honey bee keeping
B:-Growing Silk-worms
C:-Forest management with objective of producing specific plants
D:-Silver fish culturing
Ans: C
52:-An example of fossil fuel is
A:-Wood
B:-Gobar gas
C:-Charcoal
D:-Gasoline
Ans: D
53:-The ecosystem of stagnant fresh water habitat is known as __________ ecosystem.
A:-Standing crop
B:-Lentic
C:-Lotic
D:-Abyssal
Ans: B
54:-'Photochemical smog' is caused by the interaction of
A:-Hydrocarbons and Ozone
B:-Hydrocarbons and `NO_(x)`
C:-`NO_(x)` and Ozone
D:-Hydrocarbons, `NO_(x)` and Ozone
Ans: D
55:-'Ramsar Convention' is for
A:-Wetlands
B:-Tropical Forests
C:-Oceans
D:-Mountains
Ans: A
56:-Graphite is used as _________ in ___________.
A:-Surface coat, electronic chip
B:-Brush, electronic devices
C:-Moderator, nuclear reactors
D:-Packing material, GC columns
Ans: C
57:-Heliophytes are plants which grow in
A:-Full sunlight
B:-Low intensity of light
C:-Complete darkness
D:-Salt water
Ans: A
58:-Sea water will boil at a temperature
A:-Higher than pure water
B:-Lower than pure water
C:-Same as that of pure water
D:-Cannot be predicted, it can be higher, same or lower
Ans: A
59:-__________ was absent on earth's atmosphere during the early days of origin of life.
A:-`CO_(2)`
B:-`CH_(4)`
C:-`H_(2)`
D:-`O_(2)`
Ans: D
60:-Which of the following techniques can be used to estimate the number of microbes in a natural sample ?
A:-Enrichment culture
B:-Extinction culture technique
C:-Microdroplet culture
D:-Most Probable Number (MPN)
Ans: D
61:-Which of the following environments has the greatest percentage of culturable microbes ?
A:-saline water
B:-fresh water
C:-activated sludge
D:-soil
Ans: C
62:-Black soils are commonly found in _________
A:-Rajasthan
B:-Maharashtra
C:-Odisha
D:-Himalayan region
Ans: B
63:-What are the Khetri mines in India famous for ?
A:-Coal
B:-Copper
C:-Iron
D:-Gold
Ans: B
64:-Which State in India is the largest produce of mica mineral ?
A:-Andhra Pradesh
B:-Karnataka
C:-Madhya Pradesh
D:-Odisha
Ans: A
65:-The Monazite sands of Kerala beach are rich in
A:-Radium
B:-Uranium
C:-Platinum
D:-Thorium
Ans: D
66:-Which species of fauna are found in an area separated by natural or geographic barriers ?
A:-Rare
B:-Extinct
C:-Endemic
D:-Vulnerable
Ans: C
67:-Which of the following is an example of rare species ?
A:-Blackbuck
B:-Blue sheep
C:-Mithun
D:-Hornbill
Ans: D
68:-Which of the following is not treated under in situ conservation ?
A:-National park
B:-Botanical garden
C:-Wildlife sanctuary
D:-Biosphere reserve
Ans: B
69:-Which is not a freshwater lake in India ?
A:-Sambhar lake
B:-Dal lake
C:-Nainital lake
D:-Wular lake
Ans: A
70:-Molasses from sugar industry is used to generate __________
A:-bio-diesel
B:-hydrogen
C:-bio-ethanol
D:-bio-methanol
Ans: C
71:-The most important fuel used by nuclear power plant is __________
A:-U-248
B:-U-235
C:-U-236
D:-U-238
Ans: B
72:-Which toxic metal is of greatest concern in urban atmosphere ____________
A:-Pb
B:-Hg
C:-Cd
D:-As
Ans: A
73:-Which of the following statement regarding PAH is correct ?
A:-PAHs are synthesised from saturated hydrocarbons under oxygen deficient conditions
B:-Low molecular mass hydrocarbons form PAHs by pyrosynthesis
C:-Higher alkanes in fuels form PAH by pyrolysis
D:-All of the above
Ans: D
74:-Concern about atmospheric mercury is due to its ___________
A:-toxicity
B:-volatility
C:-mobility
D:-all of the above
Ans: D
75:-Most important source of CO in atmosphere is transportation and is about ________ % of the total CO in atmosphere.
A:-60%
B:-65%
C:-70%
D:-75%
Ans: B
76:-Photochemical smog is a ____________
A:-oxidising smog
B:-reducing smog
C:-neutral smog
D:-none of above
Ans: A
77:-The concentration of ozone in the stratosphere is lowest during ___________
A:-February-April
B:-July-October
C:-December-January
D:-None of above
Ans: B
78:-The optimum DO in natural water is ___________
A:-3-5 ppm
B:-4-6 ppm
C:-5-7 ppm
D:-6-8 ppm
Ans: B
79:-Example of an organochlorine pesticide is _________
A:-Malathion
B:-Carbaryl
C:-DDT
D:-Trichlorphon
Ans: C
80:-Acid mine drainage is characteristic of mining areas usually within rocks containing an abundance of _________ minerals.
A:-sulfide minerals
B:-oxide minerals
C:-carbonate minerals
D:-nitrate minerals
Ans: A
81:-The process of conversion of nitrate to ammonium is ______________
A:-Nitrification
B:-Nitrogen fixation
C:-Denitrification
D:-Ammonification
Ans: D
82:-The first comprehensive environmental legislation in the world is
A:-National Environmental Policy Act (NEPA)-USA
B:-Canadian Environmental Assessment Act (CEAA)-Canada
C:-EIA Directive-European Union
D:-Environmental Protection Act EPA-India
Ans: A
83:-The beginning of EIA was made in India with the impact assessment of ______
A:-River valley projects
B:-Industrial projects
C:-Thermal power projects
D:-Mining projects
Ans: A
84:-In India, Public consultation has been made a mandatory component of EIA by _________
A:-EIA notification 1994
B:-Amendments in 1997 to the EIA Notification 1994
C:-EIA Notification 2006
D:-Amendments in 2009 to the EIA notification 2006
Ans: B
85:-Which of the statement regarding EIA in India is not correct ?
A:-All 'A' category projects requrie prior EC from Central Government
B:-All 'B' category projects require prior EC from the State/Union Territory
C:-Scoping process is applicable to all A and B projects
D:-In the scoping stage, TOR for EIA shall be furnished to proponent by EAC or SEAC
Ans: C
86:-___________ stage in the EIA process will identify the key impacts requiring further investigation in connection with a project.
A:-Screening
B:-Assessing
C:-Scoping
D:-Mitigation
Ans: C
87:-Leopold Matrix involves the use of a matrix with _______ specified actions and ________ potentially impacted environmental characterization.
A:-90 specified actions and 78 potential impacts
B:-100 specified actions and 88 potential impacts
C:-110 specified actions and 98 potential impacts
D:-120 specified actions and 90 potential impacts
Ans: B
88:-EMS is the component of an organization with primary responsibility for leading, planning, controlling and organizing as they relate specifically to
A:-Processes
B:-Products
C:-Services
D:-All of the above
Ans: D
89:-____________ series of environmental management standards are intended to assist organizations manage the environmental effect of their business practices.
A:-ISO 9000
B:-ISO 13000
C:-ISO 14000
D:-ISO 15000
Ans: C
90:-Identify the one wrongly matched
A:-Environmental Protection Act - 1986
B:-The Air (prevention and control of pollution) Act - 1981
C:-The water (prevention and control of pollution) Act - 1975
D:-The wild life Protection Act - 1972
Ans: C
91:-Identify the wrong match
A:-Cartagena Protocol - Climate change
B:-Kyoto Protocol - To reduce green house gases
C:-Montreal Protocol - Substances depleting `O_3` layer
D:-Vienna Protocol - Protection of `O_3` layer
Ans: A
92:-The process of converting environmental pollutants into harmless products by naturally occurring microbes is called ____________
A:-Ex situ bioremediation
B:-Intrinsic bioremediation
C:-Extrinsic bioremediation
D:-None of these
Ans: B
93:-Microbes remove metals by _________
A:-Adsorption and precipitation
B:-Adsorption and complexation
C:-Adsorption and volatilization
D:-All of the above
Ans: D
94:-Which of the following bacterium is called the superbug that could clean up oil spills ?
A:-Pseudomonas putida
B:-Bacillus subtilis
C:-Pseudomonas denitrificans
D:-Bacillus denitrificans
Ans: A
95:-Microbial conversion of an insoluble metal into a soluble form
A:-Bioleaching
B:-Biodegradation
C:-Co-metabolism
D:-Biosorption
Ans: A
96:-Which of the following microorganisms leach metals out of rock ores ?
A:-Pseudomonas aeruginosa
B:-Thiobacillus sp.
C:-Pseudomonas putida
D:-Bacillus megaterium
Ans: B
97:-Which of the following can be used for the removal of colour from the effluents of pulp mil ?
A:-Coriolus versicolor
B:-Phenerochaete chrysosporium
C:-Nitrosomonas europaen
D:-Both 1 and 2
Ans: D
98:-Addition of nutrients for enhancing bioremediation is called _______
A:-Bioaugmentation
B:-Biostimulation
C:-Bioreaction
D:-Bioleaching
Ans: B
99:-In waste water treatment method, the activated sludge process is a _________
A:-pre-treatment method
B:-primary treatment method
C:-secondary treatment method
D:-tertiary treatment method
Ans: C
100:-Green chemistry aims to ?
A:-Utilize non-renewable energy
B:-Design chemical products and processes that work most efficiently
C:-Design chemical products and process that maximize profits
D:-Design safer chemical products and processes that reduce or eliminate the use and generation of hazardous substances
Ans: D
A:-Enrichment culture
B:-Extinction culture technique
C:-Microdroplet culture
D:-Most Probable Number (MPN)
Ans: D
61:-Which of the following environments has the greatest percentage of culturable microbes ?
A:-saline water
B:-fresh water
C:-activated sludge
D:-soil
Ans: C
62:-Black soils are commonly found in _________
A:-Rajasthan
B:-Maharashtra
C:-Odisha
D:-Himalayan region
Ans: B
63:-What are the Khetri mines in India famous for ?
A:-Coal
B:-Copper
C:-Iron
D:-Gold
Ans: B
64:-Which State in India is the largest produce of mica mineral ?
A:-Andhra Pradesh
B:-Karnataka
C:-Madhya Pradesh
D:-Odisha
Ans: A
65:-The Monazite sands of Kerala beach are rich in
A:-Radium
B:-Uranium
C:-Platinum
D:-Thorium
Ans: D
66:-Which species of fauna are found in an area separated by natural or geographic barriers ?
A:-Rare
B:-Extinct
C:-Endemic
D:-Vulnerable
Ans: C
67:-Which of the following is an example of rare species ?
A:-Blackbuck
B:-Blue sheep
C:-Mithun
D:-Hornbill
Ans: D
68:-Which of the following is not treated under in situ conservation ?
A:-National park
B:-Botanical garden
C:-Wildlife sanctuary
D:-Biosphere reserve
Ans: B
69:-Which is not a freshwater lake in India ?
A:-Sambhar lake
B:-Dal lake
C:-Nainital lake
D:-Wular lake
Ans: A
70:-Molasses from sugar industry is used to generate __________
A:-bio-diesel
B:-hydrogen
C:-bio-ethanol
D:-bio-methanol
Ans: C
71:-The most important fuel used by nuclear power plant is __________
A:-U-248
B:-U-235
C:-U-236
D:-U-238
Ans: B
72:-Which toxic metal is of greatest concern in urban atmosphere ____________
A:-Pb
B:-Hg
C:-Cd
D:-As
Ans: A
73:-Which of the following statement regarding PAH is correct ?
A:-PAHs are synthesised from saturated hydrocarbons under oxygen deficient conditions
B:-Low molecular mass hydrocarbons form PAHs by pyrosynthesis
C:-Higher alkanes in fuels form PAH by pyrolysis
D:-All of the above
Ans: D
74:-Concern about atmospheric mercury is due to its ___________
A:-toxicity
B:-volatility
C:-mobility
D:-all of the above
Ans: D
75:-Most important source of CO in atmosphere is transportation and is about ________ % of the total CO in atmosphere.
A:-60%
B:-65%
C:-70%
D:-75%
Ans: B
76:-Photochemical smog is a ____________
A:-oxidising smog
B:-reducing smog
C:-neutral smog
D:-none of above
Ans: A
77:-The concentration of ozone in the stratosphere is lowest during ___________
A:-February-April
B:-July-October
C:-December-January
D:-None of above
Ans: B
78:-The optimum DO in natural water is ___________
A:-3-5 ppm
B:-4-6 ppm
C:-5-7 ppm
D:-6-8 ppm
Ans: B
79:-Example of an organochlorine pesticide is _________
A:-Malathion
B:-Carbaryl
C:-DDT
D:-Trichlorphon
Ans: C
80:-Acid mine drainage is characteristic of mining areas usually within rocks containing an abundance of _________ minerals.
A:-sulfide minerals
B:-oxide minerals
C:-carbonate minerals
D:-nitrate minerals
Ans: A
81:-The process of conversion of nitrate to ammonium is ______________
A:-Nitrification
B:-Nitrogen fixation
C:-Denitrification
D:-Ammonification
Ans: D
82:-The first comprehensive environmental legislation in the world is
A:-National Environmental Policy Act (NEPA)-USA
B:-Canadian Environmental Assessment Act (CEAA)-Canada
C:-EIA Directive-European Union
D:-Environmental Protection Act EPA-India
Ans: A
83:-The beginning of EIA was made in India with the impact assessment of ______
A:-River valley projects
B:-Industrial projects
C:-Thermal power projects
D:-Mining projects
Ans: A
84:-In India, Public consultation has been made a mandatory component of EIA by _________
A:-EIA notification 1994
B:-Amendments in 1997 to the EIA Notification 1994
C:-EIA Notification 2006
D:-Amendments in 2009 to the EIA notification 2006
Ans: B
85:-Which of the statement regarding EIA in India is not correct ?
A:-All 'A' category projects requrie prior EC from Central Government
B:-All 'B' category projects require prior EC from the State/Union Territory
C:-Scoping process is applicable to all A and B projects
D:-In the scoping stage, TOR for EIA shall be furnished to proponent by EAC or SEAC
Ans: C
86:-___________ stage in the EIA process will identify the key impacts requiring further investigation in connection with a project.
A:-Screening
B:-Assessing
C:-Scoping
D:-Mitigation
Ans: C
87:-Leopold Matrix involves the use of a matrix with _______ specified actions and ________ potentially impacted environmental characterization.
A:-90 specified actions and 78 potential impacts
B:-100 specified actions and 88 potential impacts
C:-110 specified actions and 98 potential impacts
D:-120 specified actions and 90 potential impacts
Ans: B
88:-EMS is the component of an organization with primary responsibility for leading, planning, controlling and organizing as they relate specifically to
A:-Processes
B:-Products
C:-Services
D:-All of the above
Ans: D
89:-____________ series of environmental management standards are intended to assist organizations manage the environmental effect of their business practices.
A:-ISO 9000
B:-ISO 13000
C:-ISO 14000
D:-ISO 15000
Ans: C
90:-Identify the one wrongly matched
A:-Environmental Protection Act - 1986
B:-The Air (prevention and control of pollution) Act - 1981
C:-The water (prevention and control of pollution) Act - 1975
D:-The wild life Protection Act - 1972
Ans: C
91:-Identify the wrong match
A:-Cartagena Protocol - Climate change
B:-Kyoto Protocol - To reduce green house gases
C:-Montreal Protocol - Substances depleting `O_3` layer
D:-Vienna Protocol - Protection of `O_3` layer
Ans: A
92:-The process of converting environmental pollutants into harmless products by naturally occurring microbes is called ____________
A:-Ex situ bioremediation
B:-Intrinsic bioremediation
C:-Extrinsic bioremediation
D:-None of these
Ans: B
93:-Microbes remove metals by _________
A:-Adsorption and precipitation
B:-Adsorption and complexation
C:-Adsorption and volatilization
D:-All of the above
Ans: D
94:-Which of the following bacterium is called the superbug that could clean up oil spills ?
A:-Pseudomonas putida
B:-Bacillus subtilis
C:-Pseudomonas denitrificans
D:-Bacillus denitrificans
Ans: A
95:-Microbial conversion of an insoluble metal into a soluble form
A:-Bioleaching
B:-Biodegradation
C:-Co-metabolism
D:-Biosorption
Ans: A
96:-Which of the following microorganisms leach metals out of rock ores ?
A:-Pseudomonas aeruginosa
B:-Thiobacillus sp.
C:-Pseudomonas putida
D:-Bacillus megaterium
Ans: B
97:-Which of the following can be used for the removal of colour from the effluents of pulp mil ?
A:-Coriolus versicolor
B:-Phenerochaete chrysosporium
C:-Nitrosomonas europaen
D:-Both 1 and 2
Ans: D
98:-Addition of nutrients for enhancing bioremediation is called _______
A:-Bioaugmentation
B:-Biostimulation
C:-Bioreaction
D:-Bioleaching
Ans: B
99:-In waste water treatment method, the activated sludge process is a _________
A:-pre-treatment method
B:-primary treatment method
C:-secondary treatment method
D:-tertiary treatment method
Ans: C
100:-Green chemistry aims to ?
A:-Utilize non-renewable energy
B:-Design chemical products and processes that work most efficiently
C:-Design chemical products and process that maximize profits
D:-Design safer chemical products and processes that reduce or eliminate the use and generation of hazardous substances
Ans: D