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MH SET 2023: 26 March, Paper II, Environmental Sciences

  • Date: 26 March 2023
  • Paper code: MAR-31223
  • Series: A
  • Language: Bilingual
  • 20 pages
MH SET 2023 question paper, 26 March 2023, Paper II, Environmental Sciences, page 1 of 20
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Test Booklet Code & Serial No.
                                                                                                                      A
                                           ENVIRONMENTAL SCIENCE
Signature and Name of Invigilator                                             Seat No.
1. (Signature) .........................................                                               (In figures as in Admit Card)
      (Name) ................................................                 Seat No. ..............................................................
2. (Signature) .........................................                                                (In words)

      (Name) ................................................                 OMR Sheet No.
MAR - 31223                                                                                                (To be filled by the Candidate)
Time Allowed : 2 Hours]                                                                                [Maximum Marks : 200
Number of Pages in this Booklet : 20                                                    Number of Questions in this Booklet : 100
                      Instructions for the Candidates
1.         Write your Seat No. and OMR Sheet No. in the space provided             1.
           on the top of this page.
2.         This paper consists of 100 objective type questions. Each question
           will carry two marks. All questions of Paper II will be compulsory.     2.
3.         At the commencement of examination, the question booklet
           will be given to the student. In the first 5 minutes, you are           3.
           requested to open the booklet and compulsorily examine it as
           follows :
           (i)      To have access to the Question Booklet, tear off the
                    paper seal on the edge of this cover page. Do not accept                (i)
                    a booklet without sticker-seal or open booklet.
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                    the booklet with the information printed on the cover                   (ii)
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                    other discrepancy should not be accepted and correct
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                    given. The same may please be noted.
           (iii)    After this verification is over, the OMR Sheet Number
                                                                                            (iii)
                    should be entered on this Test Booklet.
4.         Each question has four alternative responses marked (A), (B),
           (C) and (D). You have to darken the circle as indicated below on        4.                       (A), (B), (C)   (D)
           the correct response against each item.
           Example : where (C) is the correct response.

                              A        B                 D                                           (C)
5.         Your responses to the items are to be indicated in the OMR                                       A         B             D
           Sheet given inside the Booklet only. If you mark at any place
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6.         Read instructions given inside carefully.
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8.         If you write your Name, Seat Number, Phone Number or put                7.
           any mark on any part of the OMR Sheet, except for the space
                                                                                   8.
           allotted for the relevant entries, which may disclose your
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           means, you will render yourself liable to disqualification.
9.         You have to return original OMR Sheet to the invigilator at the
           end of the examination compulsorily and must not carry it with          9.
           you outside the Examination Hall. You are, however, allowed
           to carry the Test Booklet and duplicate copy of OMR Sheet on
           conclusion of examination.
                                                                                   10.
10.        Use only Blue/Black Ball point pen.
                                                                                   11.
11.        Use of any calculator or log table, etc., is prohibited.
12.        There is no negative marking for incorrect answers.                     12.
MH SET 2023 question paper, 26 March 2023, Paper II, Environmental Sciences, page 2 of 20
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MAR - 31223/II—A




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MH SET 2023 question paper, 26 March 2023, Paper II, Environmental Sciences, page 3 of 20
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MAR - 31223/II—A
                           Environmental Science
                                        Paper II
Time Allowed : 120 Minutes]                          [Maximum Marks : 200
Note : This Paper contains Hundred (100) multiple choice questions. Each question
       carrying Two (2) marks. Attempt All questions.

1.   Arrange these precipitation types in           4.   ‘Superbug’ was a term coined for
     increasing order of their drop size :               micro-organism engineered for :
     (A) Rain drizzle shower                             (A) Antibiotic production
     (B) Drizzle rain shower                             (B) Probiotic production
     (C) Shower rain drizzle                             (C) Hydrocarbon degradation
     (D) Drizzle shower rain                             (D) Insulin production
2.   Aeroallergens result in manifestation
                                                    5.   The tropopause is located at the
     of allergic reactions ......... group of
                                                         lowest level over (height) :
     antibodies attach to these allergens
     and release inflammable chemicals                   (A) Equator
     such as histamine from mast cells.                  (B) Subtropics
     (A) IgM                                             (C) High latitude and polar region
     (B) IgG                                             (D) Mid-latitude
     (C) IgE
                                                    6.   Equation of state for dry atmosphere
     (D) IgA                                             is given by :
3.   Arrange the following gases in                                R
     decreasing     order   of   their                   (A) p       T
                                                                   m
     concentration in atmosphere :
                                                                   R
     (A) CH4      CO2      O3                            (B) p       T
                                                                   m
     (B) CO 2     CH4      O3
                                                                   R
     (C) O3       CO2      CH4                           (C) p
                                                                   m
     (D) CH4      O3       CO 2                          (D) p =   RT

                                                3                                       [P.T.O.
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7.   During winter season (Jan.-Feb.) the       10. The gases responsible for green-
     rainfall due to NE monsoon is
                                                    house effect resulting in global
     confined to ........ of India.
                                                    warming are :
     (A) SE Peninsula and Kerala

     (B) Konkan                                     (A) Nitrogen and Ozone

     (C) Gujarat and Rajasthan
                                                    (B) Oxygen and Ammonia
     (D) Bihar and U.P.
                                                    (C) Methane and Carbon dioxide
8.   Western disturbances which move
     in west to east direction affect the           (D) Carbon monoxide
     temperature, rainfall and weather
     of India in the following areas :          11. Tropical Easterly Jet stream is :

     (A) J & K and Himachal Pradesh                 (A) Present throughout the year in

     (B) Konkan                                         tropics
     (C) Karnataka
                                                    (B) Present only during Northern
     (D) Kerala
                                                        Summer season over subtropics
9.   Monsoon depression travelling in a
     N Wly direction from the Bay of                (C) Present during Northern winter
     Bengal produce high rainfall ?
                                                        season over subtropics
     (A) In NW sector of the track
                                                    (D) Present     during    summer
     (B) In SW sector of the track
                                                        monsoon season over SE Asia
     (C) West of the track

     (D) East of the track                              and India


                                            4
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12. Why does one need protection of            15. What is the correct order of the
    ozone layer in the Stratosphere ?              Earth’s atmospheric layers from

    (A) To   reduce     UV     radiation           bottom to top ?
        reaching earth                             (A) Troposphere      Stratosphere
    (B) To enhance UV radiation                        Mesosphere        Thermosphere
        reaching ground                                   Exosphere

    (C) To reduce visible radiation                (B) Exosphere      Thermosphere
        received
                                                       Mesosphere       Stratosphere
    (D) To enhance visible radiation                   Troposphere
        received
                                                   (C) Troposphere      Stratosphere
13. Reaction O3 + h        O2 + O( D) is               Thermosphere          Mesosphere
    called as :
                                                          Exosphere
    (A) First order reaction
                                                   (D) Stratosphere     Troposphere
    (B) Second order reaction                          Mesosphere        Thermosphere
    (C) Third order reaction                              Exosphere

    (D) All of the above                       16. Which one of the following is the

14. Psychrometer is an instrument used             correct chemical formula for PAN

    to measure :                                   (Peroxyacetyl nitrates)

    (A) Relative humidity                          (A) C2H6O5N

    (B) Atmospheric pressure                       (B) CO2H5NO2

    (C) Relative density of liquid                 (C) CH4O5N

    (D) Amount of actual evapo-                    (D) C2H3O5N
        transpiration

                                           5                                     [P.T.O.
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17. Stratospheric ozone is known to                    21. An aerosol having dry aerodynamic
     protect the life on the earth from                    diameter of 3.8 µm falls in
     ................. radiation.                          the :

     (A) Visible                                           (A) Aitken mode

     (B) Ultraviolet                                       (B) Nucleation mode

     (C) Infrared                                          (C) Coarse mode

     (D) Microwave                                         (D) All of the above

18. Arrange the following gases in the                 22. What is expanded form of CPCB ?
    increasing order of their life-time in                 (A) Central Pollution Control
    the atmosphere :                                           Board

     (A) CO2 < CH4 < CO                                    (B) Central Public Control Board

     (B) CO2 < CO < CH4                                    (C) Central Pollution Control
                                                               Bureau
     (C) CH4 < CO2 < CO
                                                           (D) Commission for Pollution
     (D) CO < CH4 < CO2
                                                               Control Board
19. Photovoltaic cells are used to
                                                       23. How many bromine atoms are there
    convert ............. energy into electrical           in 2.44 mol Br :
    energy.
                                                           (A) 14.69 × 1022 atoms
     (A) Tidal
                                                           (B) 146.9 × 1024 atoms
     (B) Hydro
                                                           (C) 14.69 × 1023 atoms
     (C) Solar
                                                           (D) 1.46 × 1023 atoms
     (D) Wind
                                                       24. Which of the following is not a
20. Tropical cyclones occur on :                           nuclear disaster ?
     (A) Meso-scale                                        (A) Chernobyl
     (B) Micro-scale                                       (B) Love Canal

     (C) Planetary-scale                                   (C) Three Mile Island

     (D) Synoptic-scale                                    (D) Fukushima

                                                   6
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25. The mass of 10 litres of oxygen which                 28. Feldspar is :
    has density of 1.43 g/L, will be :                        (A) Al2SiO4(OH)2
    (A) 10 g                                                  (B) SiO2
    (B) 1.43 g                                                (C) KAlSi3O8
    (C) 14.3 g                                                (D) Al2O 3
    (D) 1 g                                               29. Quarry is an :
26. Number of unpaired electrons in                           (A) Open coal mine
    Fe++ is :
                                                              (B) Underground coal mine
    (A) 2
                                                              (C) Open pit for rock mining
    (B) 3
                                                              (D) Explosive mine
    (C) 4
                                                          30. Change of haematite to limonite
    (D) 5                                                     Fe2O3           Fe2O3 . 3H2O is an
27. The correct order of increasing half-                     example of :
    life of radioactive isotopes of 93Np239,                  (A) Hydrolysis
         232,      226 and C14 is :
    90Th      88Ra         6
                                                              (B) Hydration
    (A) 6   C14 <      93   Np239 <   88   Ra 226 <
                                                              (C) Carbonation
         90   Th 232
                                                              (D) Chelation
    (B) 90Th232 < 88Ra226 < 93Np239
                                                          31. One ppm is equal to :
         < 6C14
                                                              (A) 0.01%
    (C) 93Np239 < 88Ra226 < 6C14 <
                232                                           (B) 0.1%
         90Th

    (D) 88Ra226 < 90Th232 < 6C14 <                            (C) 0.0001%
                 239
         93Np                                                 (D) 0.001%

                                                      7                                   [P.T.O.
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32. One Tg is equal to :                        36. What is the temperature required to
                                                     have fusion reaction in the Sun ?
    (A) 106 g
                                                     (A) 1010 °K
    (B) 109 g
                                                     (B) 108 °K
    (C) 1012 g
                                                     (C) 106 °K
    (D) 1015 g
                                                     (D) 104 °K
33. Unit of turbidity of water is :
                                                37. The solar radiation incident on a
    (A) NTU                                         surface per unit time is termed
    (B) FTU                                         as :
                                                     (A) Insolation
    (C) JTU
                                                     (B) Irradiance
    (D) All of the above
                                                     (C) Radiation
34. Which is the most common in the
                                                     (D) Conduction
    sea water ?
                                                38. Which one of the following is a lotic
    (A) Calcium chloride
                                                    ecosystem ?
    (B) Magnesium chloride
                                                     (A) Lake
    (C) Ammonium chloride                            (B) Pond
    (D) Sodium chloride                              (C) Pool
35. If the wet weight of the waste was               (D) River
    102.2 kg and the dry weight is 81.4
                                                39. Excess level of nitrate in the
    kg, calculate the percent of moisture           drinking water causes ............. to
    content of the waste :                          human infants.
    (A) 5.1%                                         (A) Itai-Itai
    (B) 10.15%                                       (B) Blue baby syndrome

    (C) 20.35%                                       (C) Fluorosis

    (D) 25.22%                                       (D) Nerve damage

                                            8
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40. Which one of the following is             44. Which     air    pollution    control
    observed when analysed organically
                                                  equipment works on the principle of
    polluted water ?
                                                  centrifugal separation ?
    (A) low D.O. and low BOD
                                                  (A) Electrostatic precipitation
    (B) high D.O. and high BOD
    (C) low D.O. and high BOD                     (B) Cyclone
    (D) both D.O. and BOD equal                   (C) Wet scrubber
41. Sludge from sewage treated plant is
                                                  (D) Bag filter
    used to get methane using :
    (A) Sludge digester                       45. On 1 : 50,000 scale survey of India,

    (B) Sludge vacuum filtration                  toposheet, 2 cm corresponds to ........

    (C) Sludge drying beds                        (A) 1 km
    (D) Sludge as compost
                                                  (B) 10 km
42. Intertidal zone is :
                                                  (C) 20 km
    (A) A zone of deep water
    (B) A zone of sediment                        (D) 5 km

    (C) A zone of open sea                    46. An impermeable geologic formation
    (D) A zone between low and high               that neither contains nor transmits
        tides
                                                  water is called :
43. Role of detritus food chain in an
    ecosystem is :                                (A) Aquifer

    (A) Grazing                                   (B) Aquiclude
    (B) Transfer of food
                                                  (C) Aquifuge
    (C) Recycling of resources
                                                  (D) Aquitard
    (D) Assimilation

                                          9                                      [P.T.O.
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47. A water body with low concentration             50. Living vegetation appears ......... on
     (1 to 30%) saturation of dissolved                  false colour Infrared images.

     oxygen is called ...........                        (A) red

     (A) hypoxic                                         (B) black

     (B) hyper anoxic                                    (C) white

     (C) anoxic                                          (D) blue

     (D) hyperoxic                                  51. ............. streams are the streams that
                                                         are neither controlled by dip nor by
48. .................. is one of the natural
                                                         strike of rock formation but flows
     hazards      that    involves   mass
                                                         haphazardly.
     movement of soil and/or rock down
                                                         (A) Insequent
     the slope.
                                                         (B) Resequent
     (A) Lanslide
                                                         (C) Obsequent
     (B) Subduction
                                                         (D) Consequent
     (C) Obduction
                                                    52. The        spectral       region       of
     (D) Snowfall                                        electromagnetic radiation that

49. What is the standard limit of pH of                  passes through the atmosphere
                                                         without much attenuation is known
     treated effluent ?
                                                         as :
     (A) between 6.5 – 7.5
                                                         (A) ozone hole
     (B) between 5.5 – 9.0
                                                         (B) atmospheric window
     (C) between 6.0 – 8.0
                                                         (C) ozone window
     (D) between 6.5 – 8.5
                                                         (D) black hole

                                               10
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53. The first EIA notification was          56. Which one of the following is not a

    promulgated in India during :               part of the EIA scoping process ?

    (A) 1986                                    (A) Describe the project area and
                                                    area of project influence
    (B) 1994
                                                (B) Description of environmental
    (C) 2006
                                                    impacts      and   creation    of
    (D) 1973
                                                    contingency plans
54. Which committee reviews EIA &
                                                (C) Defining a set of criteria to
    EMP     reports in Ministry of
                                                    assess the project
    Environment Forests and Climate
                                                (D) Create a set of environmental
    Change ?
                                                    and socio-economic areas that
    (A) Expert Appraisal Committee
                                                    will be used in assessment
    (B) Expert Assessment Committee
                                            57. The provision to establish or
    (C) Project Evaluation Committee            recognize laboratories for analysis is
                                                mentioned in :
    (D) Peer and Core Committee
                                                (A) The Water (Prevention and
55. Which      method   for   impact
                                                    Control of Pollution) Act, 1974
    identification in EIA uses GIS ?
                                                (B) The Air (Prevention and
    (A) Checklists
                                                    Control of Pollution) Act, 1981
    (B) Matrices
                                                (C) The Environment (Protection)
    (C) Overlays
                                                    Act, 1986
    (D) Network
                                                (D) All of the above

                                       11                                     [P.T.O.
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58. Public Liability Insurance Act, 1991        61. What is the first stage in EMS
    provides relief for :                           process ?

    (A) Victims of natural disasters                (A) Assign           environmental

    (B) Victims of terrorist attacks                    responsibility

    (C) Victims of accidents occurring              (B) Establish environmental policy
         from handling of hazardous                 (C) Set environmental objectives
         substances                                     and targets
    (D) Victims of accidents occurring              (D) Review the implementation
         from nuclear reactor failures
                                                62. Part B of Environment Statement
59. Basel convention is related to :                Report in Form V consists of :
    (A) Transboundary movement of                   (A) Water      and    raw   material
         hazardous waste                                consumption
    (B) Safe disposal of nuclear waste              (B) Pollution        discharged   to
    (C) Animal trafficking                              environment

    (D) Marine pollution control                    (C) Hazardous waste

60. What does (P & CP) stand for in Air             (D) Solid waste
    (P & CP) Act and Water (P & CP)             63. Grit removal in a waste water
    Act ?                                           treatment plant :
    (A) Protection and control of                   (A) Prevents wear and tear of
         pollution
                                                        pumps
    (B) Prevention and conservation
                                                    (B) Reduces potential for pip
         practices
                                                        plugging
    (C) Prevention and control of
                                                    (C) Settles heavy inert material in
         pollution
                                                        waste water
    (D) Protection and conservation
                                                    (D) All of the above
         program
                                           12
MH SET 2023 question paper, 26 March 2023, Paper II, Environmental Sciences, page 13 of 20
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64. What type of micro-organisms are               67. Foliated and non-foliated categories

     found useful in activated sludge                   are given for :

     process ?                                          (A) Sedimentary rock classification

     (A) Chemoautotrophs                                (B) Igneous rock classification

     (B) Photoautotrophs                                (C) Metamorphic rock classification

     (C) Chemoheterotrophs                              (D) Schist rock classification

                                                   68. GRIHA stands for :
     (D) Photoheterotrophs
                                                        (A) Green Rating for International
65. The typical characteristics of tropical
                                                            Housing Assessment
     evergreen rainforest is ...........
                                                        (B) General Rating for Integrated
     (A) Grasses with few hardwood
                                                            Housing Assessment
          trees
                                                        (C) Green Rating for Integrated
     (B) Short, softwood trees                              Habitat Assessment

     (C) Tall, hardwood evergreen trees                 (D) General Rating for Integrated

     (D) Short, hardwood trees                              Habitat Assessment

                                                   69. Which layer of the soil horizon is rich
66. The logo for ‘Eco-mark’ scheme in
                                                        in inorganic nutrients as well as
     India is :
                                                        humus ?
     (A) Plastic Jar
                                                        (A) D
     (B) Rubber Pot
                                                        (B) C
     (C) Earthen Pot
                                                        (C) B
     (D) Earthen Jar                                    (D) A

                                              13                                      [P.T.O.
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70. The most abundant element on the           73. Species that occur in different
    Earth’s crust is ............                   geographical regions or separated by
    (A) Aluminium                                   a spatial barrier are called as :

    (B) Silicon                                     (A) Sympatric

    (C) Oxygen                                      (B) Allopatric

    (D) Iron                                        (C) Ecological equivalents
71. The range of the diameter of sand
                                                    (D) Ecotypes
    particles is :
                                               74. ‘‘White Alkali’’ soils are :
    (A) 2.00 – 0.06 mm
                                                    (A) Saline soil
    (B) 0.05 – 0.002 mm
                                                    (B) Acid soil
    (C) < 0.002 mm
                                                    (C) Sodic soil
    (D) > 2.0 mm

72. The equilibrium model of an                     (D) Saline sodic soil

    ecosystem states that :                    75. Organisms predominantly found on,

    (A) An ecosystem does not tend                  in or near bed sediment of
         towards stability                          freshwater resources are known

    (B) An ecosystem does not return                as :
         to its original state                      (A) Neuston
    (C) An ecosystem will perish due to
                                                    (B) Plankton
         external environmental change
                                                    (C) Benthic
    (D) An ecosystem always tends
         towards stability                          (D) Nekton


                                          14
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76. The term ISWM refers to :                             78. The sound waves collected by inner
    (A) International Solid Waste                              ear are transmitted to the middle ear
          Management                                           by .............
    (B) Integrated         Solid             Waste
                                                               (A) Semicircular canals
          Management
                                                               (B) Sensory cells
    (C) Integrated         Solid             Waste
          Mechanism                                            (C) Tympanic membrane
    (D) Integrated         Solid             Waste
                                                               (D) Tiny bones
          Machine
                                                          79. Match the following :
77. Match the following :

        Composition       % by weight                              Area                     Day Time

        of Garbage                                                                        Limits dBC(A)

  (a)    Vegetables & (i)              3.8                   (a)   Industrial                (i)     55
         leaves
                                                             (b)   Commercial                (ii)    75
  (b)    Paper            (ii)         0.62
                                                             (c)   Residential               (iii)   65
  (c)    Glass            (iii)        40.2
                                                             (d) Silent                      (iv)    50
  (d) Plastics            (iv)         0.81

    Codes :                                                          (a)           (b)         (c)    (d)

          (a)      (b)       (c)         (d)                   (A) (i)             (ii)      (iii)    (iv)

    (A) (i)        (ii)     (iii)        (iv)                  (B) (ii)           (iii)        (i)    (iv)
    (B) (iii)     (iv)           (i)     (ii)
                                                               (C) (iii)          (ii)       (iv)         (i)
    (C) (iv)      (iii)      (ii)            (i)
                                                               (D) (iv)           (iii)        (i)    (ii)
    (D) (iii)     (ii)      (iv)             (i)

                                                     15                                                   [P.T.O.
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80. Which of the following energy                 83. Which    one      of   the   following
    transmitted through vacuum ?                      components of solid waste has the

    (A) Sound                                         highest heating value ?

                                                      (A) Food
    (B) Light
                                                      (B) Plastics
    (C) Electric
                                                      (C) Paper
    (D) Heat
                                                      (D) Wood
81. Which of the following situations
    represent the discharge of surplus            84. Coliform bacteria in water are the

    water as surface runoff ?                         indicators of the presence of :

                                                      (A) Radioactive wastes
    (A) Precipitation > Evapotrans-
        piration (PT > ET)                            (B) Excess fertiliser

    (B) Precipitation < Evapotrans-                   (C) Decaying organic matter
        piration (PT < ET)                            (D) Human faeces
    (C) Precipitation = Evapotrans-               85. Low BOD and high COD value for
        piration (PT = ET)                            a waste-water sample is the
                                                      indication of :
    (D) Effective     precipitation     =
        Evapotranspiration (EPT = ET)                 (A) higher content of biodegradable
                                                          matter in waste-water
82. Which component         of EIA is
    significant throughout life-cycle of a            (B) higher        content    of   non-

    project ?                                             biodegradable matter in waste-
                                                          water
    (A) Impact identification
                                                      (C) higher content of chemical
    (B) Baseline studies
                                                          matter in waste-water
    (C) Impact prediction                             (D) higher content of matter of
    (D) Impact evaluation                                 biological origin

                                             16
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86. The following are the plant                 89. If a certain species, say fish,
    nutrients :                                     reproduces only during the third
          P, B, Cu, Mg, Mn, N                       year and then dies. Let an initial
    Select the micronutrients out of the            population of n° = n = (1000, 0, 0)
    list given below :
                                                    that is of 1000 newborns, and no
    (A) P, B, Cu, N
    (B) B, Cu, Mn                                   other fishes. Now during the first

    (C) B, Cu, Mg                                   year, 25% of fish survived and then
    (D) Cu and Mn only                              50% of those make it to reproduction
87. Analysis to assess burden created by            age. Then the Leslie's matrix of this
    a product or process on the
    environment is :                                situation is :
    (A) Life-cycle assessment
                                                              f1       f2     f3
    (B) Toxicity studies
                                                          0.25         0         0
    (C) Chronic toxicity                            (A)
    (D) Acute toxicity                                        0        0.5       0
88. A committee of 4 people is to be
    appointed from 3 officers of the                          0        f1     f3
    production department, 4 officers of
    the purchase department, 2 officers                   0.25         0         0
                                                    (B)
    of the sales department and one
    chartered accountant. What is the                         0        0.5       0
    probability of forming the committee
    that there must be one from each                          0        0      f3
    category ?
                                                          0.25         0         0
           2                                        (C)
    (A)
          70                                                  0        0.5       0
          4
    (B)
          70                                              0        0         f3
          6
    (C)                                                   0 0.25             0
          70                                        (D)
          8                                               0        0         0.5
    (D)
          70
                                           17                                          [P.T.O.
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90. The forecasts on the basis of a time        93. Which species of mosquito is

    series are :                                    responsible for the spread of
                                                    dengue ?
    (A) 100% true
                                                    (A) Aedes
    (B) True to some extent
                                                    (B) Anopheles
    (C) Never true
                                                    (C) Culex
    (D) All of the above
                                                    (D) Plasmodium
91. Asbestos refers to a family of
    naturally occurring :                       94. The variance of a Chi-square
                                                    distribution with n degrees of
    (A) Fibrous selenium
                                                    freedom is :
    (B) Silicon-based minerals
                                                    (A) 2n
    (C) Carbon-based minerals
                                                    (B) n
    (D) Telerium-based minerals
                                                    (C) n 2
92. Which of the following is not an
                                                    (D)       n
    example of non-sampling risk ?
                                                95. If two dice are thrown, what is the
    (A) Failing to evaluate results
                                                    probability that the sum is greater
         properly
                                                    than 10 ?
    (B) Use of an audit procedure
                                                          1
         inappropriate to achieve to a              (A)
                                                          6
         given audit objective                            1
                                                    (B)
                                                          36
    (C) Obtaining an unrepresentative
                                                           2
         sample                                     (C)
                                                          12
                                                          1
    (D) Failure to recognize an error               (D)
                                                          24
                                           18
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96. A continuous random variable X               98. Wetlands       occurring   between

    follows the probability law :                    terrestrial (land) on one side and
                                                     deep water on another side is an
        f(x) = E.x2; 0 < x < 1
                                                     example of :
    What is the value of E ?                         (A) Ecotone

    (A) 1                                            (B) Ecological pyramid

    (B) 6                                            (C) Ecological race

    (C) 2                                            (D) Ecological niche

                                                 99. Kaziranga National Park is in the
    (D) 3
                                                     state of :
97. Let the value of correlation
                                                     (A) Assam
    coefficient is greater than zero, the
                                                     (B) Meghalaya
    arithmetic mean of the regression
                                                     (C) Arunachal Pradesh
    coefficient is :
                                                     (D) Uttarakhand
    (A) Greater than the correlation
                                                 100. How much will be the increase in
        coefficient
                                                     noise when two equal intensity
    (B) Less than the correlation
                                                     sound mix together ?
        coefficient
                                                     (A) 2 dB(A)
    (C) Equal     to   the   correlation             (B) 5 dB(A)
        coefficient
                                                     (C) 3 dB(A)
    (D) All of the above                             (D) 6 dB(A)

                                            19                                   [P.T.O.
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ROUGH WORK




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Source: Savitribai Phule Pune University. Question paper published by Savitribai Phule Pune University.