Question Bank
COURSE : DPMT / DPT
SEMESTER : I
SUBJECT : Environmental Sciences
Section-A (1 mark—questions )
1. Ecology deals with the study of
a) Livingbeings
b) Living and nonlivingcomponents
c) Reciprocal relationship between living and non livingcomponents
d) Environment
2. Thepyramidofenergyinanyecosystemis.
a) Alwaysupright
b) May be upright orinvented
c) Alwaysinverted
d) None of theabove
3. Energy flow in ecosystemis
a) Unidirectional
b) Bidirectional
c) Multidirectional
d) None of theabove
4.An ecosystem must have continuous external sourceof
a) minerals
b) energy
c) food
d) All of theabove
5. Thesourceofenergyinanecosystemis
a) ATP
b) Sunlight
c) D.N.A
d) R.N.A
6.Trophic levels are formedby
a) Onlyplants
b) onlyanimals
c) Onlycarnivorous
d) Organisms linked in foodchain
7.Biotic potential is counteractedby
a) Competition with otherorganisms
b) Producer is thelargest
c) Limitation of foodsupply
d) None of theabove
8.Definition of ecosystemis
a) The community of organisms together with the environment in which theylive
b) The abiotic component of ahabitat
c) The part of the earth and its atmosphere which inhibits living organisms
d) A community of organisms interacting with oneanother
9.Inafoodchainofgrasslandecosystemthetopconsumersare
a) Herbivorous
b)Carnivorous
c) Bacteria
d) Either carnivorous orherbivorous
10.MAB standsfor
a) Man andbiosphere
b) Man, antibiotics andbacteria
c) Man and bioticcommunity
d) Mayer, Anderson andBisby
11.Theconceptofecologicalpyramidwasfirstproposedby
a) E.P.Odum
b) A.G.Tansley
c) Juday
d) CharlesElton
12.The pyramid of numbers in a singletree is
a) upright
b) inverted
c) spindleshaped
d) none ofthese
13.The pyramid of biomass is inverted n
a) forestecosystem
b) grasslandecosystem
c) fresh waterecosystem
d) tundra
14.Which of the following statement is incorrect regarding ecologicalpyramids
a) Thepyramid of energy is inverted in ocean ecosystem
b) Thepyramidofbiomassisinvertedinaquaticecosystem
c) Thepyramidofnumbersis upright ngrasslandecosystem
d) Thepyramidofbiomassisuprightingrasslandecosystem
15.Climateincludes
a) Seasonalvariation
b) General patterns of atmosphereconditions
c) Average weather of anarea
d) All ofthese
16.Ultraviolet radiation which is not lethal but harm to the organismis
a) 0.1 to 0.28 µm
b) 0.28-0.32 µm
c) 0.32-0.4 µm
d) 0.4-0.5 µm
17.MAB program standsfor
a) Man andbiotechnology
b) Material andbiology
c) Man andBiology
d) Man andBiosphere
18.Red data book contains dataof
a) all plantspecies
b) all animalspecies
c) economically importantspecies
d) threatenedspecies
19.IUCN is also calledas
a) Man and Biosphereprogram
b) World ConservationUnion
c) World ConservationConsortium
d) World Wide ConservationUnion
20.Whichofthefollowingregionhasmaximumdiversity
a) Mangrooves
b) temperate rain forest
c) taiga d) coral reefs
21.Biodiversity
a) increases towards theequator
b) decreases towards theequator
c) remains same throughout theplanet
d) has no effect on change inlatitude
22.The most importantreason for decrease in biodiversity is
a) Habitatpollution
b) introduction of exoticspecies
c) over-exploitation
d) habitatdestruction
23.WhatistheanimalsymbolofW.W.F(WorldWildlifeFund)?
a) RedPanda
b) GiantPanda
c) Tiger
d) Kangaroo
24.The most important human activity, leading to the extinction of wildlife,is
a) Pollution of wildlife,is
b) Hunting for valuable wildlifeproducts
c) Introduction of alienspecies
d) Alternation and destruction of the naturalhabitats
25.RedDataBookProvidesdataon
a) Red floweredplants
b) Red coloredfishes
c) Lists of plants andanimals
d) Endangered plants andanimals
26.Wild life is continuously decreasing. What is the main reason of this?
a) Predation
b) Cutting down offorest
c) Destruction ofhabitat
d) Hunting
27.Whatisthemajorcauseofdiminishingwildlifenumber?
a) Felling oftrees
b) Cannibalism
c) Habitatdestruction
d) Paucity of drinkingwater
28.Which of the following is mainly responsible for the extinction of wildlife
a) Pollution of air andwater
b) Hunting offlesh
c) Destruction ofHabitats
d) All ofthese
29.Theunfavorable alteration of environment due to human activities is termedas
a) Ecologicaldisturbance
b) catastrophe
c) ecologicaldegradation
d) pollution
30.Heavy dust cancause
a) leafblights
b) opening ofstomata
c) closure ofstomata
d) browning ofleaves
31.Whichofthefollowingisthemajorcauseofpollution
a) plants
b) man
c) fungi
d) hydrocarbongases
32.BOD standsfor
a) Biotic oxidationdemand
b) Biological oxidationdemand
c) Biological oxygen demand
d) Biochemical oxygendemand
33.AriverwithhighBODvalueis
a)Highlypolluted
b)Highlyclean
c)Highlyproductive
d)none ofthese
34.The undesirable change in physical, chemical or biological characteristics of air, land and wateris referred as
a) pollutants
b) eco destructions
c) pollution
d) all ofthese
35.Acid raincontains
a) Sulphuricacid
b) nitricacid
c) both a andb
d) sulphuric acid, nitric acid and hydrochloricacid
36.Pollutants that are introduced into the environment by human activity are calledas
a) Qualitativepollutants
b) Quantitativepollutants
c) anthropogenicpollutants
d) all ofthese
37.Air pollution is severein
a) Cities
b) Industrialized areas
c) Densely populatedareas
d) all ofthese
38.Which of the following is a secondarypollutant
a) CO2
b) CO
c) O3
d) SO2
39.Air pollution can beof
a) Naturalorigin
b) artificial or manmadeorigin
c) both a andb
d) bonly
40.A populationis a group of
a) individuals in aspecies
b) species in acommunity
c) communities in anecosystem
d) individuals in afamily
41.Themajorpollutantfromauto mobile exhaustis
a) NO
b) CO
c) SO2
d) Soot
42.Thegreen house gases, otherwise called radioactively active gasesincludes
a) Carbondioxide
b) CH4
c) N2O
d) All ofthese
43.A high Biological Oxygen Demand (BOD) indicatesthat:
a) water ispure
b) absence of microbialaction
c) Low level of microbialpollution
d) High level of microbialpollution
44.Therangeofnormalhumanhearingisintherangeof
a) 10 Hz to 80 Hz
b) 50 Hz to 80Hz
c) 50Hz to 15000Hz
d) 15000 Hz and above
45.The pollution which does not persistent harm to life supporting systemis
a) Noisepollution
b) Radiationpollution
c) Oregano chlorinepollution
d) All ofthese
46.Soap anddetergentsarethesourceoforganicpollutantslike:
a) glycerol
b) polyphosphates
c) sulphonatedhydrocarbons
d) all ofthese
47.Themainatmosphericlayernearthesurfaceofearthis
a) troposphere
b) mesophere
c) ionosphere
d) stratosphere
48.Example of primary pollutant
a) SO2
b) NO2
c) CO
d) Hydrocarbons
49.Chipcomovementisapublicagitationthatoccurredin
a) Mansbal area inKashmir
b) Silent valley inKerala
c) Sundarban area inBengal
d) TehriGarhwal area of UttarPradesh
50.Ozonosphere seenin
a) ionosphere
b) thermosphere
c) mesophere
d) stratosphere
51.Harmful tracemetals in fly ash:
a) antimony
b) cadmium
c) arsenic
d) all of theabove
52.Which of the following group of gases cause photochemical smog?
a) Ozone, PAN andCO
b) HC, NO andPAN
c) O2, PAN, andNO2
d) O3,PANandNO2
53.Acid rains are produced by
(a) Excess NO2and SO2 from burning fossil fuels
(b) excess production of NH3 by industry and coal gas
(c) Excess release of carbon monoxide by incomplete combustion
(d) Excess formation of CO2 by combustion and animal respiration.
54.Which one is not a pollutant normally?
(a) hydrocarbon
(b) carbon dioxide
(c) carbon monoxide
(d) sulphur dioxide
Q.55.What is true of ecosystem?
(a) primary consumers are least dependent upon producers
(b) primary consumers out-number producers
(c) producers are more than primary consumers
(d) secondary consumers are the largest and most powerful
.56Green house effect is warming due to
(a) infra-red rays reaching earth
(b) moisture layer in atmosphere
(c) increase in temperature due to increase in carbon dioxide concentration of atmosphere
(d) ozone layer of atmosphere
Q.57Gas released during Bhopal tragedy was
(a) methylisocyanate
(b) potassiumisothiocyanate
(c) sodiumisothiocyanate
(d) ethylisothiocyante
Q.58.Deforestation will decrease
(a) soil erosion
(c) soil fertility
(b) land slides
(d) rainfall
59A non-renewable resource is
(a) nonrenewable nonconventional energy source
(b) nonrenewable conventional energy source
(c) renewable nonconventional energy source
(d) renewable conventional energy source
60..Renewable source of energy is
(a) biomass
(b) coal
(c) petroleum
(d) kerosene
61.Pick up the correct food chain
(a) grass—>chamelion—> insect—> bird
(b) grass—> fox—> rabbit—» bird
(c) phytoplankton—> zooplankton—> fish
(d) fallen leaves—> bacteria—> insect larvae.
62.Most hazardous metal pollutant of automobile exhausts is
(a) mercury
(b) cadmium
(c) lead
(d) copper
63.Fertility of soil is measured by its ability to
(a) retain nutrients
(b) hold organic materials
(c)hold water
(d) support life
64. Number of atoms in ozone molecules are
a)2
b)3
c)4
d)1
65.Ultraviolet radiations from sunlight causes a reaction that produces
(a) fluorides
(b) carbon monoxide
(c) sulphur dioxide
(d) ozone
66.Ultraviolet radiations from sunlight causes a reaction that produces
(a) fluorides
(b) carbon monoxide
(c) sulphur dioxide
(d) ozone
67. Sounds above what level are considered hazardous noise pollution?
a) above 80 Db
(c) above 150 dB
(b) above 30 dB
d) above 120 dB
68.In a biotic community, the primary consumers are
(a) detritivores
(b) herbivores
(c) carnivores
(d) omnivores.
Q.69.The TajMahal is threatened due to the effect of
(a) oxygen
(b) hydrogen
(c) chlorine
(d) sulphur-dioxide
Q.70.Which of the following is the most stable ecosystem?
(a) mountain
(b) ocean
(c) forest
(d) desert
Q.71Which country has the greatest contribution for the whole formation in ozone layer?
(a) Russia
(b) Japan
(c) USA
(d) Germany
Q.72Formation of ozone hole is maximum over
a)Africa
b)India
c)USA
d)Antarctica
Q.73Which of the following is a secondary pollutant?
(a) PAN
(b) aerosol
(c) CO
(d) CO2
Q.74Biodiversity Act of India was passed by the Parliament in the year.
(a) 1992
(b) 1996
(c) 2000
(d) 2002
Q.75Photochemical smog pollution does not contain
(a) PAN (peroxy acyl nitrate)
(b) ozone
(c) nitrogen dioxide
(d) carbon dioxide
Q.76Instrument used to measure earthquake is known as
A. quake meter
B. quake graph
C. seismograph
D. typanicgraph
Q.77. Earthquakes occur when there is a sudden release of stored up energy in Earth's
A. inner core
B. outer core
C. upper mantle
D. lower crust
Q.78Earthquakes occur most frequently at
A. plate surface
B. plate boundaries
C. plate vacuum
D. ocean beds
Q.79.Tsunami is:
A. Earthquake on land mass
B. Volcanic eruption
C. Earthquake in ocean crust
D. None of these
80.Tsunami can occur only during?
a) Morning
b) Noon
c) Evening
d) Any time of day or nights
81.What is the cause of tidal waves?
a) wind
b) gravitational force of the moon on the sea
c) gravitational force of the sun on the sea
d) gravitational force of the earth on the sea
82.What does the acronym ISDR stand for? ‘
a. International Significant Disaster Resources
b. International Sustainable Development Report
c. International Strategy for Disaster Reduction
d. Intergovernmental Strategy for Developing Recreation Answer: International Strategy for Disaster Reduction
83.What are the three phases of disaster management planning?
a.Preparation, Response and Recovery
b. Preparation, Planning and Perception
c. Evacuating, Rebuilding and Re-branding
d. Planning, Evacuating and Recovery
84.What would you do if you heard a warning?
a) Surf on the big waves
b) Get out of the water quickly and move to higher ground
c) Wait until you have finished your swim
d) phone your friend
85.Earthquakes occur when there is a sudden release of stored up energy in Earth's
A. inner core
B. outer core
C. upper mantle
D. lower crust..
86.The provisions for environmental protection in the constitution were made in:
(a) 1976
(b) 1950
(c) 1982
(d) 1960
Q.87.The Environmental (Protection) Act was enacted in the year:
(a) 1986
(b) 1992
(c) 1984
(d) 1974
88.When the National Environmental Policy Act was signed into law?
a) January 1, 1970
b) January 2, 1970
c) January 1, 1971
d) January 1, 1972
89.Which act is responsible to create and maintain conditions under which man and nature can exist in harmony?
a) EIA
b) RCRS
c) CERCLA
d) NEPA
90..National Institute of Disaster management is located at?
a) Pune
b) Midnapur
c) New Delhi
d) Calcutta
91.A zone with constant temperature in atmosphere is called an ……….
92. Undernourishment means………..of sufficient calories in food.
93. Herbivores are ……………… consumers.
94. The study of reciprocal relationship between organisms and their environment is called...........
95.Temperature in………. layer can be as high as 12000°C
96.A zone with constant temperature in atmosphere is called an ……….
97.Urban areas produces little ………… consumes more……..and generate more…….. Per capita than rural areas
98. ………….. is the most abundantly available fossil fuel
99.BhakraNangal is an important …………….. station in India.
100.Technology is an example of an external environment.(Say True or False)
101.Coral reefs are the examples of fresh water ecosystem.(Say True or Fals)
102.Birds and animals are the examples of abiotic environment.(Say True or False)
103.The clouds are found in troposphere.(Say True or False)
104.Biosphere is made of atmosphere, hydrosphere, and lithosphere.(Say True or False)
105. In most ecosystems, the pyramid of numbers and biomass are up right(Say True or False)
106. About ‘greenhouse effect’ is that it is caused only by CO2, CFC, CH4 and NO2 gases(Say True or False)
107.The movement of water from the surface of plants into the atmosphere by a process called transpiration (Say True or False)
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