ENVIRONMENTAL SCIENTIST – ENVIRONMENT AND CLIMATE CHANGE

PROVISIONAL ANSWER KEY
Question Paper Code: 29/2017/OL
Category Code: 009/2016
Exam: Environmental Scientist
Medium of Question: English
Date of Test 12-04-2017
Department Environment and Climate Change Dpt
Alphacode A
Question1:-Who presided over the constituent Assembly while passing the constitution ?
A:-Dr. Rajendra Prasad
B:-Dr. H. P. Modi
C:-Dr. B. R. Ambedkar
D:-Dr. H. C. Mukherjee
Correct Answer:- Option-A
Question2:-Who represented the Anglo Indians in the constituent Assembly ?
A:-C. H. Bhabha
B:-Frank Anthony
C:-H. N. Kunzru
D:-B. N. Rau
Correct Answer:- Option-B
Question3:-How many sessions of the constituent Assembly were held in drafting the constitution ?
A:-Nine
B:-Ten
C:-Eleven
D:-Twelve
Correct Answer:- Option-C
Question4:-From which constitution of the world India adopted constitutional amendments ?
A:-American
B:-Irish
C:-Australian
D:-South African
Correct Answer:- Option-D
Question5:-When was the Indian Constitution first amended ?
A:-1951
B:-1952
C:-1953
D:-1954
Correct Answer:- Option-A
Question6:-When was the Lokpal Bill introduced in the Lok Sabha ?
A:-2013
B:-2012
C:-2011
D:-2010
Correct Answer:- Option-C
Question7:-When was the CMS missionaries set up a grammar school at Kottayam ?
A:-1825
B:-1821
C:-1816
D:-1806
Correct Answer:- Option-B
Question8:-Who popularised the idea of ‘misra-bhojanam’ among the Ezhavas and other lower castes ?
A:-Dr. Palpu
B:-Kumaran Asan
C:-C. V. Kunhiraman
D:-K. Ayyappan
Correct Answer:- Option-D
Question9:-Who was the founder of Samathwa Samajam ?
A:-Poikayil Yohannan
B:-C. Krishnan
C:-K. P. Karuppan
D:-Vaikunda Swamikal
Correct Answer:- Option-D
Question10:-When was the ‘Ezhava memorial’ submitted to the Maharaja of Travancore ?
A:-1891
B:-1893
C:-1896
D:-1898
Correct Answer:- Option-C
Question11:-Name the leader who organised ‘Savarna Jatha’ in the famous Vaikom Satyagraha ?
A:-T. K. Madhavan
B:-Mannath Padmanabhan
C:-K. P. Kesava Menon
D:-C. Krishnan
Correct Answer:- Option-B
Question12:-Who started the newspaper Kerala Kaumudi ?
A:-C. V. Kunhiraman
B:-Kesavan Asan
C:-K. Ayyappan
D:-K. Kelappan
Correct Answer:- Option-A
Question13:-Who is the author of the Malayalam novel ‘Kundalatha’ ?
A:-P. Kesavadev
B:-C. V. Raman Pillai
C:-Raman Nambisan
D:-T. M. Appu Nedungadi
Correct Answer:- Option-D
Question14:-Who was the first woman in India to become a high court judge ?
A:-Arya Pallam
B:-A. V. Kuttimalu Amma
C:-Anna Chandi
D:-Accama Cherian
Correct Answer:- Option-C
Question15:-Who received the Khel Ratna Award from the President of India for excellence in Sports for the year 2015 ?
A:-Mary Kom
B:-Mahendra Singh Dhoni
C:-Sania Mirza
D:-Saina Nehwal
Correct Answer:- Option-C
Question16:-When was Pradhan Mantri Jan Dhan Yojana launched ?
A:-1992
B:-2013
C:-2002
D:-2015
Correct Answer:- Option-D
Question17:-Name the US President who coined the term ‘United Nations’ ?
A:-J. F. Kennedy
B:-Franklin D. Roosevelt
C:-George Bush
D:-Bill Clinton
Correct Answer:- Option-B
Question18:-Name the Nobel Peace Prize winner who is also associated with an organisation called ‘Bachpan Bachao
Andolan’ ?
A:-Kailash Satyarthi
B:-Baba Amte
C:-Sunderlal Bahuguna
D:-Naresh Bedi
Correct Answer:- Option-A
Question19:-When is world water day celebrated ?
A:-March 20
B:-March 22
C:-March 24
D:-March 26
Correct Answer:- Option-B
Question20:-Which development scheme of Prime Minister Narendra Modi is designed to increase Agricultural productivity ?
A:-Pradhan Mantri Gram Sinchai Yojana
B:-Krishi Amdani Beema Yojana
C:-Shramev Jayate Programme
D:-Sansad Aadarsh Gram Yojana
Correct Answer:- Option-A
Question21:-The word ‘Environment’ is derived from
A:-Greek
B:-French
C:-Spanish
D:-English
Correct Answer:- Option-B
Question22:-Which of the following conceptual spheres of the environment is having the least pollutant-receptor capability ?
A:-Atmosphere
B:-Lithosphere
C:-Hydrosphere
D:-Biosphere
Correct Answer:- Option-A
Question23:-Which one of the following characteristics is widely regarded as being an important aspect of sustainable
development ?
A:-Increased levels of saving
B:-Increasing consumption expenditure
C:-Intra-generational inequality
D:-Inter-generational equity
Correct Answer:- Option-D
Question24:-_____________ is an established method of collecting very dense and accurate geo-referenced elevation data
across landscapes and can be used to generate three-dimensional representations of the earth’s surface and its features.
A:-Radar
B:-Lidar
C:-Lightsar
D:-SLAR
Correct Answer:- Option-B
Question25:-Which of the following is a high spatial resolution satellite used for environmental management ?
A:-IKONOS
B:-QuickBird
C:-NOAA
D:-Both 1 and 2
Correct Answer:- Option-D
Question26:-Global Warming Potential of important green house gases in the order of abundance are` `
A:-`N_2`O > CFC > `CH_4` > `CO_2`
B:-CFC > `CH_4` >`N_2`O >`CO_2`
C:-CFC > `N_2`O >`CH_4` >`CO_2`
D:-`N_2`O >` ` ` “CH_4 > CFC > “CO_2`
Correct Answer:- Option-C
Question27:-In the atmosphere, the green house gases in the order of abundance are as follows
A:-`CO_2` > `CH_4` > CFC > `O_3` > `N_2“`O
B:-`CO_2` > `CH_4` > `O_3` > CFC > `N_2“`O
C:-`CO_2` > `CH_4` > `O_3` > `N_2“`O > CFC
D:-`CO_2` > CFC > `CH_4` > `O_3` > `N_2“`O
Correct Answer:- Option-A
Question28:-Chipko movement was originated in _____________ State of India.
A:-Madhya Pradesh
B:-Uttarakhand
C:-Rajasthan
D:-Gujarath
Correct Answer:- Option-B
Question29:-Narmada debate is associated with _______________
A:-Damodar valley Project
B:-Doyang dam project
C:-Sardar Sarovar Project
D:-Ganga basin project
Correct Answer:- Option-C
Question30:-Silent Spring is a _______ on ___________
A:-book, Antartica
B:-documentary, melting of ice
C:-book, climate change
D:-book, pesticide toxicity
Correct Answer:- Option-D
Question31:-The law which enable to compute the amount of total spectral radiant emittance which falls between two
selected wavelengths or frequencies is __________
A:-Wien’s Displacement law
B:-Stefan-Boltzmann law
C:-Kirchhoff’s law
D:-Planck’s Radiation law
Correct Answer:- Option-D
Question32:-___________ is used as a reference scale for classifying tropical cyclone based on wind speed.
A:-Saffir-Simpson Hurricane Scale
B:-John-Smith Hurricane scale
C:-Wentwoth Hurricane Scale
D:-None
Correct Answer:- Option-A
Question33:-___________ is the type of inversion formed when a topographic difference exits causing the warm air to move
over the cold surface.
A:-Nocturnal inversion
B:-Advective inversions
C:-Radiational inversions
D:-Subsidence inversions
Correct Answer:- Option-B
Question34:-Example of a low altitude rain cloud having pronounced vertical development
A:-Cumulus
B:-Cumulonimbus
C:-Nimbostratus
D:-Nimbus
Correct Answer:- Option-B
Question35:-The combined albedo of the earth and the atmosphere is approximately
A:-4%
B:-10%
C:-30%
D:-50%
Correct Answer:- Option-C
Question36:-The ratio of the volume of water that a soil or rock after saturation can be drained by gravity to its own volume
is known as ____________
A:-Specific yield
B:-Specific retention
C:-Specific storage
D:-Specific discharge
Correct Answer:- Option-A
Question37:-In Ghyben-Herzberg relation between fresh water and saline water, salt water occur underground at a depth
below sea level of about ___________ times the height of fresh water above sea level.
A:-20
B:-30
C:-40
D:-50
Correct Answer:- Option-C
Question38:-Which of the following pairs regarding earth’s crustal composition is incorrect ?
A:-Oxygen-46.6%
B:-Silicon-27.7%
C:-Aluminium-8.1%
D:-Iron-4%
Correct Answer:- Option-D
Question39:-The weathering process which produce clay minerals from feldspar minerals.
A:-Hydration
B:-Hydrolysis
C:-Oxidation
D:-Carbonation
Correct Answer:- Option-B
Question40:-The seismic wave which can travel through both solids and liquids is _________
A:-P-wave
B:-S-wave
C:-L-wave
D:-R-wave
Correct Answer:- Option-A
Question41:-Photochemical smog is formed by the reaction between the following components in the atmosphere
A:-By the action of sunlight on NOx, ozone, hydrocarbons
B:-By the action of sunlight on NOx, oxygen, hydrocarbons
C:-By the action of sunlight on SOx, ozone, hydrocarbons
D:-By the action of sunlight on SOx, oxygen, hydrocarbons
Correct Answer:- Option-A
Question42:-Normal average thickness of stratospheric ozone layer across the globe is around
A:-200 DU
B:-300 DU
C:-400 DU
D:-500 DU
Correct Answer:- Option-B
Question43:-Which of the following pair regarding global distribution of water is wrongly matched ?
A:-Glaciers-2.15%
B:-Groundwater-0.3%
C:-Streams-0.1%
D:-Soil moisture-0.005%
Correct Answer:- Option-C
Question44:-Which predominant species of `CO_2` occur in water under alkaline condition ?
A:-`HCO_(3-)`
B:-CO
C:-`CO_2`
D:-`CO_3`
Correct Answer:- Option-D
Question45:-The various stages of formation of coal in the ranking order is as _________
A:-Peat, lignite, bituminous, anthracite
B:-Peat, lignite, anthracite, bituminous
C:-Lignite, peat, anthracite, bituminous
D:-Lignite, peat, bituminous, anthracite
Correct Answer:- Option-A
Question46:-Example of a mineral without cleavage
A:-Feldspar
B:-Pyroxene
C:-Calcite
D:-Quartz
Correct Answer:- Option-D
Question47:-In a typical soil profile, true soil is represented by __________
A:-A-horizon
B:-B-horizon
C:-Both 1 and 2 horizon
D:-C-horizon
Correct Answer:- Option-C
Question48:-The molecules can be resolved on the basis of their distribution between a gas and either a solid or liquid by
separation method known as
A:-Gas chromatography
B:-HPLC
C:-Filtration
D:-Centrifugation
Correct Answer:- Option-A
Question49:-Which of the following methods is used to determine large number of inorganic ions and organic compounds ?
A:-Filtration
B:-Gravimetry
C:-Titrimetry
D:-Colorimetry
Correct Answer:- Option-D
Question50:-The standard method for the analysis of higher levels of CO in air sample is _________
A:-IR spectrophotometry
B:-Gas chromatography
C:-Chemiluminescence
D:-UV spectrophotometry
Correct Answer:- Option-A
Question51:-The standard method for the analysis of a low levels of ammonia in water sample is ________
A:-Titration
B:-Gravimetry
C:-Potentiometry
D:-Spectrophotometry
Correct Answer:- Option-D
Question52:-The warmer, upper layer of water in a lake is called the ___________
A:-Thermocline
B:-Epilimnion
C:-Hypolimnion
D:-Neritic zone
Correct Answer:- Option-B
Question53:-Among the ecological pyramids, which pyramid always show upright irrespective of the grassland or pond
ecosystem
A:-Pyramid of energy
B:-Pyramid of number
C:-Pyramid of biomass
D:-Pyramid of succession
Correct Answer:- Option-A
Question54:-Formation of a climax community from an abandoned farm land is an example of _________
A:-Primary succession
B:-Secondary succession
C:-Autogenic succession
D:-Allogenic succession
Correct Answer:- Option-B
Question55:-What type of organisms are the primary producers in the deep-sea ?
A:-photosynthetic bacteria
B:-chemosynthetic bacteria
C:-crabs and fish
D:-worms
Correct Answer:- Option-B
Question56:-The grassland ecosystem of Africa is known as _____________
A:-Savannas
B:-Prairies
C:-Steppes
D:-Pumpas
Correct Answer:- Option-A
Question57:-An association between two individuals or population in which both are benefited and where neither can
survive without the other
A:-commensalisms
B:-mutualism
C:-co-operation
D:-competition
Correct Answer:- Option-B
Question58:-Biofilms are _________
A:-films about biology
B:-masses of biological materials attached to wet walls
C:-masses of cells and extracellular materials attached to surfaces bathed in liquids
D:-collections of cells and extracellular materials attached to dry walls
Correct Answer:- Option-C
Question59:-Elements that cycle in the environment and that also have a gaseous phase at some point in the cycle include
the following
A:-carbon
B:-carbon and sulphur
C:-carbon and phospherous
D:-carbon, phospherous and sulphur
Correct Answer:- Option-B
Question60:-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)
Correct Answer:- Option-D
Question61:-Which of the following environments has the greatest percentage of culturable microbes ?
A:-saline water
B:-fresh water
C:-activated sludge
D:-soil
Correct Answer:- Option-C
Question62:-Black soils are commonly found in _________
A:-Rajasthan
B:-Maharashtra
C:-Odisha
D:-Himalayan region
Correct Answer:- Option-B
Question63:-What are the Khetri mines in India famous for ?
A:-Coal
B:-Copper
C:-Iron
D:-Gold
Correct Answer:- Option-B
Question64:-Which State in India is the largest produce of mica mineral ?
A:-Andhra Pradesh
B:-Karnataka
C:-Madhya Pradesh
D:-Odisha
Correct Answer:- Option-A
Question65:-The Monazite sands of Kerala beach are rich in
A:-Radium
B:-Uranium
C:-Platinum
D:-Thorium
Correct Answer:- Option-D
Question66:-Which species of fauna are found in an area separated by natural or geographic barriers ?
A:-Rare
B:-Extinct
C:-Endemic
D:-Vulnerable
Correct Answer:- Option-C
Question67:-Which of the following is an example of rare species ?
A:-Blackbuck
B:-Blue sheep
C:-Mithun
D:-Hornbill
Correct Answer:- Option-D
Question68:-Which of the following is not treated under in situ conservation ?
A:-National park
B:-Botanical garden
C:-Wildlife sanctuary
D:-Biosphere reserve
Correct Answer:- Option-B
Question69:-Which is not a freshwater lake in India ?
A:-Sambhar lake
B:-Dal lake
C:-Nainital lake
D:-Wular lake
Correct Answer:- Option-A
Question70:-Molasses from sugar industry is used to generate __________
A:-bio-diesel
B:-hydrogen
C:-bio-ethanol
D:-bio-methanol
Correct Answer:- Option-C
Question71:-The most important fuel used by nuclear power plant is __________
A:-U-248
B:-U-235
C:-U-236
D:-U-238
Correct Answer:- Option-B
Question72:-Which toxic metal is of greatest concern in urban atmosphere ____________
A:-Pb
B:-Hg
C:-Cd
D:-As
Correct Answer:- Option-A
Question73:-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
Correct Answer:- Option-D
Question74:-Concern about atmospheric mercury is due to its ___________
A:-toxicity
B:-volatility
C:-mobility
D:-all of the above
Correct Answer:- Option-D
Question75:-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%
Correct Answer:- Option-B
Question76:-Photochemical smog is a ____________
A:-oxidising smog
B:-reducing smog
C:-neutral smog
D:-none of above
Correct Answer:- Option-A
Question77:-The concentration of ozone in the stratosphere is lowest during ___________
A:-February-April
B:-July-October
C:-December-January
D:-None of above
Correct Answer:- Option-B
Question78:-The optimum DO in natural water is ___________
A:-3-5 ppm
B:-4-6 ppm
C:-5-7 ppm
D:-6-8 ppm
Correct Answer:- Option-B
Question79:-Example of an organochlorine pesticide is _________
A:-Malathion
B:-Carbaryl
C:-DDT
D:-Trichlorphon
Correct Answer:- Option-C
Question80:-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
Correct Answer:- Option-A
Question81:-The process of conversion of nitrate to ammonium is ______________
A:-Nitrification
B:-Nitrogen fixation
C:-Denitrification
D:-Ammonification
Correct Answer:- Option-D
Question82:-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
Correct Answer:- Option-A
Question83:-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
Correct Answer:- Option-A
Question84:-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
Correct Answer:- Option-B
Question85:-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
Correct Answer:- Option-C
Question86:-___________ 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
Correct Answer:- Option-C
Question87:-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
Correct Answer:- Option-B
Question88:-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
Correct Answer:- Option-D
Question89:-____________ 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
Correct Answer:- Option-C
Question90:-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
Correct Answer:- Option-C
Question91:-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
Correct Answer:- Option-A
Question92:-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
Correct Answer:- Option-B
Question93:-Microbes remove metals by _________
A:-Adsorption and precipitation
B:-Adsorption and complexation
C:-Adsorption and volatilization
D:-All of the above
Correct Answer:- Option-D
Question94:-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
Correct Answer:- Option-A
Question95:-Microbial conversion of an insoluble metal into a soluble form
A:-Bioleaching
B:-Biodegradation
C:-Co-metabolism
D:-Biosorption
Correct Answer:- Option-A
Question96:-Which of the following microorganisms leach metals out of rock ores ?
A:-Pseudomonas aeruginosa
B:-Thiobacillus sp.
C:-Pseudomonas putida
D:-Bacillus megaterium
Correct Answer:- Option-B
Question97:-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
Correct Answer:- Option-D
Question98:-Addition of nutrients for enhancing bioremediation is called _______
A:-Bioaugmentation
B:-Biostimulation
C:-Bioreaction
D:-Bioleaching
Correct Answer:- Option-B
Question99:-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
Correct Answer:- Option-C
Question100:-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
Correct Answer:- Option-D