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Latest CUET UG Environmental Studies Exam Question (Objective Questions), MCQ in English

Subjects : Environmental Studies

Question Bank CUET UG (Environmental Studies) Exam - English
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Environmental Studies

Question 1Single 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. A
    Both (a) and (r) are true and (r) is the correct explanation of (a)
  2. B
    Both (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 2Single Answer
Geostrophic wind occurs when pressure gradient force balances
  1. A
    Coriolis force
  2. B
    Fricitonal force
  3. C
    Centrpetal force
  4. D
    Coriolis and frictional force together
Question 3Single Answer
Scales of Meteorolgy  are  in the following adersatring from the least
  1. A
    Macro -, Micro-, Meso
  2. B
    Macro -, Meso -,Micro
  3. C
    Meso -, Macro -, Micro
  4. D
    Micro -, Meso-, Macro
Question 4Single Answer
When the full potential of physical , chemical and biological factors, a species can use if there is no competition , it is called
  1. A
    Fundamental niche
  2. B
    Ecological niche
  3. C
    Realized niche
  4. D
    Competitive exclusion
Question 5Single Answer
The uppermost zone of atmosphere of earth, where shortwave ultraviolet radiations are absorbed, is
  1. A
    Troposphere
  2. B
    Stratosphere
  3. C
    Mesosphere 
  4. D
    Thermosphere
Question 6Single Answer
Which of the following oxides of nitrogen is the major air pollutant  released from automobile exhausts ?
  1. A
    NO
  2. B
    N20
  3. C
    NO2
  4. D
    N2O3
Question 7Single Answer
Match List-1 with List-II which contains pollutant gases and their threshold (safe limit) values as per WHO standerds:
    List-I                                                   List-II
 (Pollutant gas)                               (Thersholds)
a. CO                                        (i)  2 ppm
b. SO2                                       (ii) 50 ppm
c. NO                                       (iii} 0.08ppm
d. PAN                                     {iv} 25 ppm
Identity the correct code :
  1. A
    (a)       (b)      (c)       (d)
    (ii)       (iii)      (i)        (iv)
  2. B
    (iv)      (ii)      (i)          (iii)
  3. C
    (ii)      (i)       (iv)        (iii)
  4. D
    (iii)     (iv)     (ii)        (i)
Question 8Single Answer
The band labeled as UV-C  which is lethal to micro-organisms is
  1. A
    0.29-V 0.32μm
  2. B
    0.2-V  0.29μm
  3. C
    0.17-V 0.2μm
  4. D
    0.07-V 0.21μm
Question 9Single Answer
Which of  the following species in the atmosphere is called atmospheric detergent?
  1. A
    Chlorine radical
  2. B
    Hydroxyl radical
  3. C
    Methyl radical
  4. D
    Ozone radical
Question 10Single Answer
Thep OH of a 0.001 M solution of HCI is
  1. A
    12
  2. B
    10
  3. C
    11
  4. D
    13
Question 11Single 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. A
    Both (A) and (R) are  true and (R) is the correct explanation of (A).
  2. B
    Both (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 12Single Answer
wind rose represents statistical distribution of.
  1. A
    wind velocity in vector from
  2. B
    wind speeds in scalar from
  3. C
    wind speeds in π diagram
  4. D
    wind speeds in the from of histograms
Question 13Single 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 14Single 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 15Single 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 16Single Answer
The  method which can be used for the softening of water having high calcium , high magnesium – carbonate hardness and some non- carbonate hardness
  1. A
    single-stage lime process.
  2. B
    excess line process.
  3. C
    single stage lime- soda ash  process.
  4. D
    excess lime- soda ash process
Question 17Single Answer
Spotted deer , Asiatic wild ass , Black buck are,
  1. A
    Endangered species
  2. B
    Vulnerable species
  3. C
    Threatened species
  4. D
    key species
Question 18Single Answer
Specific mortality of members of a population is expressed by
  1. A
    Life table
  2. B
    Survivorship curve
  3. C
    Rate of mortality
  4. D
    Rate of fecundity
Question 19Single Answer
which group of vertebrate comprises maximum  number of endangered species ?
  1. A
    Fish
  2. B
    Amphibia
  3. C
    Reptiles
  4. D
    Birds
Question 20Single Answer
Under anaerobic condition denitrifying pseudomonas changes,
  1. A
    Nitrate to molecular nitrogen
  2. B
    Nitrate to ammonia
  3. C
    Nitrate to Nitrite
  4. D
    Nitrite to Nitrate
Question 21Single Answer
If the standard deviation of a population is 20 and the standard error of mean is ,then the sample size is
  1. A
    25
  2. B
    80
  3. C
    5
  4. D
    100
Question 22Single 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. A
    2.5
  2. B
    5
  3. C
    25
  4. D
    0.2
Question 23Single Answer
Which one of the following is not a random sampling method?
  1. A
    Stratified Sampling
  2. B
    Cluster Sampling
  3. C
    Systematic Sampling
  4. D
    Judgement Sampling
Question 24Single Answer
The acidity of normal rain water is due to
  1. A
    CO2
  2. B
    CI2
  3. C
    NO2
  4. D
    SO2
Question 25Single Answer
Per cent of water on the world’s surface representing fresh water is
  1. A
    97
  2. B
    50
  3. C
    10
  4. D
    3
Question 26Single Answer
Concentration of CO2 in present day atmosphere is
  1. A
    ~220 ppm
  2. B
    ~280 ppm
  3. C
    ~360 ppm
  4. D
    ~390 ppm
Question 27Single Answer
Hardness of diamond is due to
  1. A
    Coordinate bonding
  2. B
    Covalent bonding
  3. C
    Electrovalent bonding
  4. D
    van der Waals forces
Question 28Single Answer
In biological systems sulphur is largely bound in
  1. A
    Lipids
  2. B
    Proteins
  3. C
    Nucleic acids
  4. D
    Proteins and nucleic acids
Question 29Single Answer
pH of 0.01 M HNO3 is
  1. A
    0.1
  2. B
    1
  3. C
    2
  4. D
    10
Question 30Single Answer
Which is a correct food chain in the  Antarctic ecosystem?
  1. A
    Phytoplankton-KriII-Carnivorous Plankton-Emperor penguin
  2. B
    Phytoplankton-KriII-Carnivorous Plankton-Squid-Elephant Seal-Leopard Seal
  3. C
    Phytoplankton-Herbivorous Zoo Plankton-Adelic  Penguin- Emperor penguin
  4. D
    Herbivorous Zoo Plankton-Phytoplankton-Carnivorous Plankton- ElephantSeal-Leopard Seal
Question 31Single Answer
What are the steps necessary for sustainable management of renewable resources?
  1. A
    Avoiding over-exploitation and pollution of biotic systems.
  2. B
    Strengthening the resource base and augmentingregenerability of biotic systems .
  3. C
    Use of alternative resources .
  4. D
    All of these
Question 32Single Answer
Fluxes of heat ,water vapour and momentum are constant in
  1. A
    upper atmosphere
  2. B
    middle atmosphere
  3. C
    Ekman layer
  4. D
    surface boundary layer
Question 33Single Answer
Inversions occur when atmosphere is
  1. A
    unstable
  2. B
    neutral
  3. C
    Slightly stable
  4. D
    most stable
Question 34Single Answer
When one species limits access of another species to a resource regardless of whether the resource is abundant or scarce ,it is called
  1. A
    interspecific competition
  2. B
    interspecific competition
  3. C
    intraspecific competition
  4. D
    exploitative competition
Question 35Single Answer
Nanda Devi Sunderbans  are  examples of Indian
  1. A
    National parks
  2. B
    Sanctuaries
  3. C
    International   heritage areas
  4. D
    Biosphere reserves
Question 36Single Answer
Match the List –I  and List-II and select the correct answer from codes given below the lists:
List –I                                                   List-II
(Analytical techniques)                    (Measured items )
a. XRF                                                1. Functional  groups
b. Nephelometry                              2. Elements
c. IR spectroscopy                           3. Turbidity
d. UV- visible spectroscopy            4. Aromatics
codes
  1. A
    (a)      (b)        (c)       (d)
         4        2          3         1
  2. B
    1        3          4         2
  3. C
    3        2          4         1
  4. D
    2        3          1         4
Question 37Single Answer
The pH of a 0.001 M solution of HCI is
  1. A
    2
  2. B
    4
  3. C
    3
  4. D
    1
Question 38Single Answer
The primitive atmosphere of earth consisted of
  1. A
    CO2’ NO2’ NH3’ SO2
  2. B
    H2’ NH3’ CH4’ H2O
  3. C
    CO’ N2O3’ SO3’ H3N
  4. D
    He, Ne,Ar, Kr
Question 39Single Answer
Which of the following is the major source of mercury pollution in India ?
  1. A
    Coal based thermal power plants
  2. B
    Pesticides
  3. C
    Dental amalgam fillings
  4. D
    Electrical and electronic gadgets
Question 40Single Answer
Nitrite causes methaemoglobinemia by
  1. A
    oxidizing membrane proteins by
  2. B
    reacting with calcium of bones
  3. C
    oxidizing haemoglobin
  4. D
    oxidizing membrane lipids
Question 41Single 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 42Single Answer
When environmental lapse rate is more than dry adiabatic lapse rate, the atmosphere is said to be in
  1. A
    Stable state
  2. B
    Unstable state
  3. C
    Neutral state
  4. D
    Conditionally stable state
Question 43Single 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 44Single Answer
The summers in Taiga climatic zone are
  1. A
    Hot, humid and long
  2. B
    Warm and short
  3. C
    Cool, rainy and short
  4. D
    Hot and try
Question 45Single Answer
Utilitarian conservation theory was established by
  1. A
    Roosevelt and Pinchot
  2. B
    John Muir
  3. C
    Rachel Carson
  4. D
    Brundtland
Question 46Single Answer
Ozone undergoes photolysis due to ultraviolet radiations of wavelength
    Question 47Single Answer
    Which of the following types of pesticides are least biodegradable?
    1. A
      Organochloro compounds
    2. B
      Organo phosphorous compounds
    3. C
      Organocarbamates
    4. D
      AII of the above
    Question 48Single Answer
    MgSO4 can be expressed as
    1. A
      120 equivalent of CaCO3
    2. B
      117equivalent of CaCO3
    3. C
      195equivalent of CaCO3
    4. D
      84 equivalent of CaCO3
    Question 49Single Answer
    SDS-PAGE of tissue proteins under denaturation determines the
    1. A
      Hydrogen bond breakage
    2. B
      Sulphide bridge breakage
    3. C
      Subunits of protein
    4. D
      None of the above
    Question 50Single Answer
    In urban areas ,the main constituents of photochemicalsmog in winter season are
    1. A
      SO2+NOX+PAN
    2. B
      Hydrocarbons +CO + PAN
    3. C
      Hydrocarbons +SO2+PAN
    4. D
      Hydrocarbons+NOX+O3+PAN
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