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Objective Questions

Latest TS SET Environmental Studies Exam Question (Objective Questions), MCQ in English

Subjects : Environmental Studies

Question Bank TS SET Environmental Studies Exam - English
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Environmental Studies

Question 1Single Answer
Mesoscale Meteorogical Phenomena occur over areas of horizontal distance in the range (km)
  1. A100 – 200 km
  2. B1 – 100 km
  3. C10 – 50 km
  4. D1 – 10 km
Question 2Single Answer
The Indian monsoon period is from
  1. AOctober to November
  2. BDecember to February
  3. CJune to September
  4. DMarch to May
Question 3Single Answer
Which of the following is not a reactive oxygen species
  1. AHydrogen peroxide
  2. BHydroxyl ion
  3. CSinglet oxygen
  4. DSuperoxide anion
Question 4Single Answer
Which of the following is not a greenhouse gas ?
  1. Amethane
  2. Bnitrous oxide
  3. CSulfur Hexa Fluoride
  4. Dcarbon monoxide
Question 5Single Answer
Azaridine, Ethylene dibromide, Bis(chloromethyl) ether are
  1. AAlkylating agents
  2. BHydrocarbons
  3. CHydrazines
  4. DAromatic amines
Question 6Single Answer
Thermal stratification of aquatic ecosystems takes place in
  1. Atropical lakes
  2. Btemperate lakes
  3. Cglacier lakes
  4. Dmeandering rivers
Question 7Single Answer
The scale length of pressure variations in atmosphere in vertical direction in about
  1. A3 km
  2. B4.8 km
  3. C7 km
  4. D12 km
Question 8Single Answer
Which radioacative elements is considered as an indoor pollutant
  1. AOxygen – 18
  2. BNitrogen – 15
  3. CCarbin – 13
  4. DRadon
Question 9Single Answer
In a closed thermodynamic system, across its boundaries
  1. Ano transfer of heat is possible
  2. Bno transfer of work is possible
  3. Ctransfer of heat is possible but not of work
  4. Dtransfer of heat and work is possible
Question 10Single Answer
In an urban area, moist air at 27  has a mixing ratio- of 50 gm per kg. Its virtual temperature is
  1. A33.69
  2. B38.15
  3. C36.15
  4. D32.30
Question 11Single Answer
Which one of the following elements contributes maximum to the earth crust by weight
  1. AIron
  2. BSilicon
  3. COxygen
  4. DCarbon
Question 12Single Answer
The lowest temperature is observed in which layer of the atmosphere
  1. ATroposphere
  2. BStralosphere
  3. CMesosphere
  4. DThermosphere
Question 13Single Answer
Which of the following gases has the lowest residence time
  1. ACO2
  2. BN2O
  3. CCFCs
  4. DCH4
Question 14Single Answer
Which of the following statement is incorrect
  1. AChromium (VI) is highly toxic
  2. BMethyl mercury is most toxic species
  3. CArsenic (III) is more toxic than arsenic (V)
  4. DCadmium is a criteria pollutant
Question 15Single Answer
The most abundant functional group present in fulvic acid commonly found in soils is :
  1. APeptide group
  2. BCarboxylate group
  3. CPhenolic group
  4. DAmino group
Question 16Single Answer
For a clear night and with windspeeds< 3 m/s , the atmosphere is
  1. Astable
  2. Bslightly unstable
  3. Cneutral
  4. Dslightly stable
Question 17Single Answer
Assertion (A)  :  Chemosynthesis plays an important role in ‘S’ cycle.
Reason  (R)  :  In chemosynthesis, some sulphur compounds act as source of energy
Codes  :
  1. ABoth (A) and (R) true and (R) is the correct explanation.
  2. BBoth (A) and (R) are true and (R) is not the correct explanation.
  3. C(A) is true, but (R) is false.
  4. D(A) is false, but (R) is true.
Question 18Single Answer
Which of the following is NOT a correct statement.
  1. ATropics are the warmest and wettest regions .
  2. BSubtropical high pressure zones create dry zones at about 300 N and S.
  3. CTemperature and precipitation are lowest at the poles.
  4. DTemperature is lowest and precipitation is highest at the poles. .
Question 19Single Answer
Protecting nature and the wilderness for its own sake is referred as
  1. ADeep ecology
  2. BShallow ecology
  3. CSelf ecology
  4. DSelfess ecology
Question 20Single Answer
For the analysis of oxides of Nitrogen, whichof the following set of reagents are used
  1. ASulphanilic acid, NEDA, H2O2, HNO3
  2. BSulphamicacid , NEDA H2O2, HNO3
  3. CSulphamicacid,Nicotine, H2O, HNO3
  4. DSulphomolybdic acid, NEDA, H2O2 H2SO4
Question 21Single Answer
An endotherm basal metabolic rate stays constant throughout a range of environmental temperatures known as the:
I.  Lower critical temperature zone
II.  Thermoneutral zone
III.  Higher critical temperature zoneChoose the correct answer:
  1. AI only
  2. BII only
  3. CI and II only
  4. DII and III only
Question 22Single Answer
Which of the following is/are types of pollution that affect the environment?
  1. AAir pollution
  2. BWater pollution
  3. CLand pollution
  4. DAll of the mentioned
Question 23Single Answer
Indicators for sustainable development are:
I. environmental pressures
II. environmental quality
III. society s responseChoose the correct answer:
  1. AI and II only
  2. BII and III only
  3. CI and III only
  4. DI, II and III
Question 24Single Answer
Stoichiometric calculations are based on:
  1. AMoles
  2. BAtomic weight
  3. CAtomic number
  4. DLoss of mass.
Question 25Single Answer
BOD of the effluents discharged on land for irrigation should not exceed:
  1. A30 mg/L
  2. B100 mg/L
  3. C300 mg/L
  4. D60 mg/L
Question 26Single Answer
Assertion (A) Biosphere constitutes an excellent life- support system which is sustainable and can fulfill all human needs .
Reason (R): The size and productivity of  the biosphere is limited availability of water, nutrients and environmental conditions .Identify the correct code:
  1. ABoth (a) and (r) are true and (r) is the correct explanation of (a)
  2. BBoth (a) and (r) are true, but (r) is not the correct explanation of (a).
  3. C(a) is true but (r) is false.
  4. D(a) is false but (r) is true .
Question 27Single Answer
Geostrophic wind occurs when pressure gradient force balances
  1. ACoriolis force
  2. BFricitonal force
  3. CCentrpetal force
  4. DCoriolis and frictional force together
Question 28Single Answer
Scales of Meteorolgy  are  in the following adersatring from the least
  1. AMacro -, Micro-, Meso
  2. BMacro -, Meso -,Micro
  3. CMeso -, Macro -, Micro
  4. DMicro -, Meso-, Macro
Question 29Single Answer
When the full potential of physical , chemical and biological factors, a species can use if there is no competition , it is called
  1. AFundamental niche
  2. BEcological niche
  3. CRealized niche
  4. DCompetitive exclusion
Question 30Single Answer
The uppermost zone of atmosphere of earth, where shortwave ultraviolet radiations are absorbed, is
  1. ATroposphere
  2. BStratosphere
  3. CMesosphere 
  4. DThermosphere
Question 31Single Answer
Assertion (A) : Every country should integrate the principles of sustainable development into its policies and programmes.
Reason (R) :Environmental resources are a nation’s wealth
Chooes the correctcode from the following
  1. ABoth (A) and (R) are  true and (R) is the correct explanation of (A).
  2. BBoth (A) and (R)  are true ,but (R) is not the correct explanation of (A).
  3. C(A) is true but (R) is false.
  4. D(A) is false but (R) is true
Question 32Single Answer
wind rose represents statistical distribution of.
  1. Awind velocity in vector from
  2. Bwind speeds in scalar from
  3. Cwind speeds in π diagram
  4. Dwind speeds in the from of histograms
Question 33Single Answer
In the redox  reaction given below , which one of  the substrates in forward reaction is oxidezed?
2Fe3+ + H2→ 2Fe2+ + 2H+
  1. A
    Fe3+
  2. B
    H2
  3. C
    H+ 
  4. D
    Fe2+ans
Question 34Single Answer
If soil in a given area is wetted and allowed to drain till percolation is stopped , the amount of water thus retained is called
  1. A
    storage capacity
  2. B
    Capillary capacity
  3. C
    Hygroscopic capacity
  4. D
    Field capacity
Question 35Single Answer
Quantity of 5M HCI required for preparing 1000 ml of  0.1 M HCI is
  1. A
    20 ml
  2. B
    2ml
  3. C
    200ml
  4. D
    100ml 
Question 36Single Answer
If the standard deviation of a population is 20 and the standard error of mean is ,then the sample size is
  1. A25
  2. B80
  3. C5
  4. D100
Question 37Single Answer
In a multiple regression model , the explained variance per d.f .is 50 and unexplained  variance per d.f. is 10 the F-ratio is
  1. A2.5
  2. B5
  3. C25
  4. D0.2
Question 38Single Answer
Which one of the following is not a random sampling method?
  1. AStratified Sampling
  2. BCluster Sampling
  3. CSystematic Sampling
  4. DJudgement Sampling
Question 39Single Answer
The acidity of normal rain water is due to
  1. ACO2
  2. BCI2
  3. CNO2
  4. DSO2
Question 40Single Answer
Per cent of water on the world’s surface representing fresh water is
  1. A97
  2. B50
  3. C10
  4. D3
Question 41Single Answer
What are the steps necessary for sustainable management of renewable resources?
  1. AAvoiding over-exploitation and pollution of biotic systems.
  2. BStrengthening the resource base and augmentingregenerability of biotic systems .
  3. CUse of alternative resources .
  4. DAll of these
Question 42Single Answer
Fluxes of heat ,water vapour and momentum are constant in
  1. Aupper atmosphere
  2. Bmiddle atmosphere
  3. CEkman layer
  4. Dsurface boundary layer
Question 43Single Answer
Identify the correct sequence of energy flow through various levels of an ecosystem
  1. A
    Sun’s energy→ Primary producers →Carnivores
  2. B
    Sun’s energy→ Primary producers →Carnivores→ Herbivores
  3. C
    Sun’s energy →Herbivores→ Primary producers
  4. D
    Sun’ senergy→ Primary producers →Herbivores →Carnivores
Question 44Single Answer
When environmental lapse rate is more than dry adiabatic lapse rate, the atmosphere is said to be in
  1. AStable state
  2. B
    Unstable state
  3. C
    Neutral state
  4. D
    Conditionally stable state
Question 45Single Answer
Which of the following accounts for nearly 75% of the available fresh water in the world?
  1. A
    Groundwater
  2. B
    Glaciers
  3. C
    River water
  4. D
    Lakes
Question 46Single Answer
The grain size (USDA) of silt in soil ranges between :
  1. A0.2 mm to 0.5 mm
  2. B0.5 mm to 0.1 mm
  3. C0.1 mm to 0.05 mm
  4. D0.05 mm to 0.002 mm
Question 47Single Answer
What will be BOD, for a wastewater sample when 21 ml of sample is diluted to 300 ml in BOD bottle to determine dissolved oxygen .
[Given: Initial DO, = 10 mg/l; Five days later DO5 = 5 mg/l]
  1. A~ 5 mg/l
  2. B~ 25 mg/l
  3. C~ 71.4 mg/l
  4. D~75 mg/l
Question 48Single Answer
What will be the concentration of 40 ppb SOâ‚‚ in µg/m³ unit at 25°C ?
  1. A~ 0.04 µg/m³
  2. B~ 1047 µg/m³
  3. C~ 104.7 µg/m³
  4. D~ 10.47 µg/m³
Question 49Single Answer
National Ambient air quality standards typically include following components :
  1. AMaximum and Minimum pollutant levels, adjustment for co - pollutants
  2. BAbetment strategies, non - attainment penalties
  3. CAmbient temperature, size distribution and relative humidity
  4. DIndicator (Chemical/Chemical class), Averaging time, Pollutant form and level
Question 50Single Answer
Primary air pollutants differ from secondary air pollutants as they :
  1. Aare present in levels that can be weighed on filter paper
  2. Bare directly emitted from identified sources
  3. Chave undergone chemical transformation in air after release from identified sources
  4. Dare designated as hazardous air pollutants
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