ENVIRONMENTAL SCIENTIST EXAM QUESTION ANSWERS

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