MAHA SET 2018 Question Paper 3 Earth, Atmospheric Ocean And Planetary Science

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EARTH, ATMOSPHERIC, OCEAN & PLANETARY SCIENCE
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2

Earth, Atmospheric, Ocean and Planetary Science
Paper III
Time Allowed : 2½ Hours] [Maximum Marks : 150
Note : This paper contains Seventy Five (75) multiple choice questions, each
question carrying Two (2) marks. Attempt All questions.

1. Greenhouse effect is related to : 3. Which of the following is closely

related to the description of Atlantic
(A) absorption of terrestrial
and Pacific types.
radiation by atmospheric
(A) Abyssal plains
constituents
(B) Continental margins
(B) absorption of solar radiation by
(C) Deep sea trenches
atmospheric constituents
(D) None of the above
(C) albedo of earth's surface
4. Which of the following is NOT
(D) Reflection of solar radiation by connected in any way with

clouds submarine, hot spring vents ?

(A) sediments rich in metallic
2. Cloud made solely of liquid water
sulfides
droplets are termed as :
(B) ecological communities living
(A) Cold cloud without photosynthesis

(B) Ice cloud (C) black smokers on a mid-ocean
ridge
(C) Warm cloud
(D) thick turbidite deposits of the
(D) Mixed phase cloud
continental rise

3 [P.T.O.

5. Kuroko type Zn-Pb-Cu deposits are 8. Glaucophane-Lawsonite association
the examples of : is characteristic of :

(A) Volcanic hosted massive (A) Blueschist facies

sulphide deposits (B) Amphibolite facies

(B) Skarn deposits (C) Granulite facies

(C) Magmatic concentration deposits (D) Eclogite facies

(D) Pegmatite deposits 9. Two pyroxene granulites in which

6. Chromite deposits of Himalaya are garnet is not present indicate :

associated with : (A) Low pressure granulite
metamorphism
(A) Ophiolite complexes
(B) High pressure granulite
(B) Stratiform complexes metamorphism

(C) Duke Island-type complexes (C) Amphibolite facies meta-
morphism
(D) Intrusive granites
(D) High temperature contact
7. Bailadila iron ore deposit is situated metamorphism
in the state of : 10. Ocean Island Basalts (OIB) are
derived from ........................ source.
(A) Bihar
(A) Primitive mantle
(B) Maharashtra
(B) Subcontinental mantle
(C) Chhattisgarh
(C) Depleted mantle
(D) Jharkhand (D) Lower crust

4

11. Which one of the following is the
15. The demise of the trilobites is
youngest "Continental Flood Basalt
Province" ? connected to the arrival of the jawed

(A) Deccan Traps fishes called as ........................
(B) Columbia River Province
(A) Tall Tube
(C) Siberian Traps

(D) Parana Province (B) Giant Clams
12. Cassiterite is the major one mineral
of : (C) Giant Crabs

(A) Tungsten
(D) Placoderms
(B) Tin
16. The surface features of .................. are
(C) Titanium

(D) Tantalum those of three-dimension circular to

13. Akermanite is an example of : elliptical draping humps and swals
(A) Cyclosilicate
of about 01 meter in length 10s cm
(B) Tectosilicate
in heights.
(C) Sorosilicate

(D) Nesosilicate (A) Simple cross stratification
14. Homo sapiens are known as :
(B) Trough cross stratification
(A) Prognathous

(B) Pleurognethous (C) Hummocky cross stratification
(C) Aptopathus
(D) Ripple drift stratification
(D) Orthognothous
5 [P.T.O.

17. The group which does not show a 20. In AFM diagram, the suffix 'A'
correct sequence of the geologic
column is : stands for :

(A) Palaeocene, Eocene, Oligocene,
(A) Al2O 3
Miocene

(B) Devonian, Ordovician, Silurian, (B) FeO + Fe2O3
Permian
(C) MgO
(C) Palaeozoic, Mesozoic, cenozoic

(D) Triassic, Jurassic, cretaceous (D) Na2O + K2O
18. Which one of the following is the
21. Metaluminous granites that are
largest felsic volcanic province of
India ? typically magnetite bearing and
(A) Malani Suite
inferred to be produced by
(B) Deccan traps
differentiation of andesite or partial
(C) Rajmahal Traps

(D) Sylhet Traps melting of an igneous source are

19. Undersaturated alkaline lavas with designed as :
abundant felspathoids sanidine or
anorthoclase, aegine or aegirine (A) M-type granites
augite is termed as.....................

(A) Syenite (B) A-type granites

(B) Phonolite
(C) I-type granites
(C) Keratophyne
(D) S-type granites
(D) Limburgite

6

22. Elements that form ions with higher 24. Which one of the following is the
charge than the +2 found for the
oldest thrust of Himalaya ?
Mg+2 Fe+2 and Ca+2 present in the
(A) Main Boundary Thrust
octahedral sites in mafic and
ultramafic rock forming minerals (B) Main Central Thrust
and are larger in size than the
(C) Himalayan Frontal Thrust
tetrahedral Si4+ and Al3+ sites in
silicate minerals are termed as : (D) Main Boundary Fault

(A) high field strength elements 25. Larger parallel shortening during

(B) Large ion lithophile elements folding results in :

(C) Transition metals (A) Convolute folds

(D) Heavy Rane Earth elements (B) Buckling

23. Which of the following is not true
(C) Fracturing
for reunion and kilanea volcanoes
(D) Flow folding
(A) Reunion volcano and Kilanea
volcano are indicative of mantle 26. Hercynian Orogeny has taken place

plumes during the late :

(B) Both are located on respective (A) Carboniferous

mid-oceanic ridges
(B) Cambrian
(C) Both are active volcanoes
(C) Devonian
(D) Both have basic magnetism
(D) Precambrian
associated with them

7 [P.T.O.

27. ........................ are the areas of 30. Physa belongs to class :
deposition within a meandering (A) Gastropoda
(B) Cephalopoda
stream channel producing ridge- (C) Echinoidea
and-swale topography at the surface. (D) Articulata
31. What is the name of an erosional
(A) Creuasse-splay surface that separates two sets of
sedimentary layers with non-parallel
(B) Levees planes ?
(A) Cross-bedding
(C) Point bar
(B) formation
(D) Alluvial fans (C) Non-conformity
(D) Angular unconformity
28. A normal curve in sediment size 32. In Bouguer gravity anomaly map,
analysis is defined in term of the which of the following statements
are/is correct. Select appropriate
Mean and the ........................... answer :
(A) Long wavelength anomalies
(A) Mode
suggest deep level density
(B) Skewness contrast and help in under-
standing large-scale or regional
(C) Standard deviation structures of the Earth's crust
(B) Short wavelength anomalies
(D) Kurtosis are due to density contrast at
shallower levels and are useful
29. Trilobites are the index fossils of : in understanding shallower
structures and in exploration.
(A) Palaeozoic
(C) Geological knowledge of the
(B) Mesozoic area is essential in under-
standing the residual anomalies
(C) Cenozoic in the given area.
(D) All of the above are correct.
(D) Precambrian

8

33. In gravity surveys the readings are 35. The current geomagnetic polarity is
function of : named as :

(A) Rigidity of the rocks (A) Matuyama Normal

(B) Bulk's modulus of the rocks (B) Gauss Normal

(C) Density and mass of the rocks
(C) Gilbert Reversal
(D) Hardness and specific gravity of
(D) Brunhes Normal
rocks
36. One Darcy equals the unit :
34. Which of the following is a correct
(A) 0.98 × 10–12 m2
statement :
(B) 2.3 × 10–15 m2
(A) Seismic energy attenuation is

directly proportional to square (C) 5 × 102 m

of the distance from focus. (D) 3 × 10–3 km

(B) Seismic energy attenuation is
37. The variety of coal, that is brown
inversely proportional to square
in colour, with roughly 70% carbon
root of the distance from focus.
and considerable moisture and
(C) Seismic energy attenuation is volatile content is known as :
directly proportional to square
(A) Lignite
root of the distance from focus.
(B) Peat
(D) Seismic energy attenuation is

directly proportional to distance (C) Subbituminous

from focus. (D) Anthracite

9 [P.T.O.

38. The water occurring in a rock 40. An electrified region of the
upper atmosphere where fairly
formation entrapped during the large concentrations of ions and
free electrons exist is :
deposition of the rock is called :
(A) Troposphere

(A) Meteoric water (B) Stratosphere

(C) Ionosphere
(B) Juvenile water
(D) Bio-sphere
(C) Connate water 41. Earth's average albedo is about :

(D) Pellicular water (A) 50%

(B) 70%
39. The potential of the electrosphere
(C) 90%
(ionosphere) is positive with respect
(D) 30%
the Earth and its magnitude is
42. In atmospheric models, space-and
about : time-dependent processes are

described by :
(A) 1000 kV
(A) Ordinary differential equations
(B) 2000 kV
(B) Empirical equations

(C) 300 kV (C) Statistical equations

(D) Partial differential equations
(D) 10 kV

10

43. A low pressure system is said to be 45. The Clausius-Clapeyron equation

explains the Variation of :
a cyclonic storm if the wind speed
(A) Equilibrium vapor pressure of
exceeds :
water with its specific volume.

(A) 17 knots (B) Specific volume of water with

temperature
(B) 24 knots
(C) Latent heat of phase change of
(C) 27 knots water with temperature

(D) Equilibrium vapor pressure of
(D) 33 knots
water with temperature
44. If the wavelength of electromagnetic
46. Which among the following is correct

radiation emitted by a body is 9.6 for a tropical cyclone ?

(A) Horizontal pressure gradient is
m, the temperature of the body in
larger than vertical pressure
Kelvin will be :
gradient

(A) 301.77 (B) Vertical pressure gradient is

larger than horizontal pressure
(B) 264.45
gradient

(C) 560.48 (C) Both are nearly equal

(D) Vertical pressure gradient is
(D) 320.7
zero

11 [P.T.O.

47. The vertical component of relative 49. Which among the following

vorticity is given by : statements is correct for the surface

layer ?
u v
(A) Y
x y (A) Air temperature always
v u decreases with height
(B) Y –
x y
(B) Turbulent fluxes of energy and
u v
(C) Y – scalar are nearly constant with
x y
height
2u 2v
(D) Y
y2 x2 (C) Wind speed decreases with

height
48. In the Southern Hemisphere, an
(D) Flow is laminar
outstanding tongue of low salinity,
50. An oceanic circulation driven by
originating from the sea surface at
mechanical stirring, which
50° S, extends to a depth of 1 km,
transports heat, mass, freshwater

is a indicator of : and other properties in the

meridional/zonal direction is
(A) Mediterranean Water
called :

(B) Antarctic Intermediate Water (A) Monsoon circulation

(B) Atmospheric circulation
(C) North Hemispheric Water
(C) Thermohaline circulation
(D) Arctic Intermediate Water
(D) Tropospheric circulation

12

51. Magnetic survey data needs to be
53. The lowest zone of the atmosphere
connected for which of the following
is troposphere. Above the tropo-
effects ?
pause, the stratosphere is
(A) Variation in magnetic
indication due to polar characterized by relatively :

wandering (A) stable – dry – little vertical
(B) Variation in magnetic motion
declination with reference to
(B) stable – moist – strong vertical
distance from APW curve path.
motion
(C) Diurnal variation due to
variation in Earth's magnetic (C) unstable – dry – strong vertical
field due to ionospheric changes motion
resulting in variation in Earth's
(D) stable – dry – strong vertical
magnetic field intensity at its
motion
surface during course of day.
(D) Variation in sample depth to be 54. One of the following statements
about the temperature distribution
normalised to NSL.
over the Earth's surface is incorrect.

(A) Temperature extremes occur
52. Which one of the following drainage
over continental land masses
pattern is developed over jointed and
(B) The isotherms are displaced
faulted rocks ? towards the equator over the

(A) Rectangular oceans

(C) The hemispheric temperature
(B) Parallel
gradient is steepest in winter
(C) Centripetal
(D) The isotherms are displaced

(D) Dendritic towards the equator on land.

13 [P.T.O.

55. By thermohaline circulation the 57. Match the following :

major upwelling occurs in Air mass symbol

(a) CP
.................... and the downwelling
(b) CT
occurs in .....................
(c) E

(A) South Atlantic, North Atlantic (d) mT

Properties
(B) Gulf of Oman, Pacific
(i) High temperature low moisture
(C) North Pacific, North Atlantic
content

(D) North Atlantic, Indian Ocean (ii) High temperature and humidity

(iii) Low temperature, low humidity
56. The Quaternary records have
remaining constant
indicated that the glacial to
(iv) Moderately high temperatures,
interglacial transition is .....................
high relative and specific

and vice-a-versa is ......................... humidity

(a) (b) (c) (d)
(A) Abrupt, Gradual
(A) (iii) (ii) (i) (iv)
(B) Gradual, Abrupt
(B) (iii) (i) (ii) (iv)
(C) Pulsating, Smooth
(C) (i) (iv) (ii) (iii)

(D) Slow, fast (D) (i) (iv) (iii) (ii)

14

58. The adjustment of a river's long 60. What are the main differences in

profile to a dam is : the granulites of south India and

I A flattening of the profile by granulites of central India ? Select

deltaic deposition at the head of the correct option.

reservoir. (A) Central Indian granulites are

II A flattening of the profile by leusoidal deformed and sheared

erosion immediately down- granulites with typical Tamil

stream of the dam. Nadu Type B|F granulites

association and leptynites
(A) I is True II is False
associated with sillimanite –
(B) I is False II is True
spinel garnet association while
(C) Both I and II are True South Indian Granulites are

(D) Both I and II are False underplated gabbroic rocks.

59. As per recent data the oldest rock (B) Central Indian granulite are

in cratonic nuclei in Indian massif type granulites.

Peninsula are found in : (C) South Indian granulites are

(A) Dharwar craton massif type granulites

(B) Singhbhum craton (D) There is no difference in the

granulite in Central and
(C) Boston craton
Southern India.
(D) Bundelkhand craton

15 [P.T.O.

61. The change over from laminar to 63. 'Fluorosis' is the disease caused due

turbulent flow during sedimentation to contamination of water by :

by water at 20°C takes place at a
(A) Arsenic
critical Reynolds Number of around
(B) Fluoride
...................
(C) Nitrate
(A) 300
(D) Sulphate
(B) 500
64. Which of the following is true
(C) 700
statement in relation to proton

(D) 900 precession magnetometer ?

62. The statement "the flow rate through (A) It uses protons from radioactive

porous media is directly proportional material such as uranium to

to the head loss and inversely detect magnetic fields

proportional to the length of flow (B) It is a vector magnetometer

path" stands for :
(C) It uses proton-rich liquid such

(A) Darcy's law as water surrounded by

(B) Newtonian flow law magnetising coil as detector.

(D) It uses special proton magnets
(C) Dewists law
arranged perpendicular to each
(D) Poiseuille's law
other.

16

65. Remote sensing techniques make 67. Read the following statements and

identify the correct answers.
use of the properties ....................,
I : Athalweg is the line connecting
emitted, reflected or diffracted by the
points of maximum depth.
sensed objects.
II : Most thalweg pass through a

(A) Electric waves succession of pools in the

channel bed that are separated
(B) Sound waves
by riffles.

(C) Electromagnetic waves
(A) Both I and II are correct

(D) Wind waves (B) I is correct and II is incorrect

(C) I is incorrect and II is correct
66. Which one of the following is not a

(D) Both I and II are incorrect
sensor of Indian remote sensing

68. What is the wavelength of visible
(IRS) satellite ?
region in the electromagnetic
(A) LISS - III spectrum ?

(B) PAN (A) 0.4 – 0.7 m

(B) 0.7 – 1.0 m
(C) WiFS
(C) 3.0 – 3.5 m
(D) TM
(D) 1.0 – 3.0 m
17 [P.T.O.

69. In central India, which of the 70. The oldest life form recorded

following is correct statement in
anywhere in world are ......................
relation to Vindhyan group ?

(A) Trace fossils and stromatolites
(A) Vindhyan rocks are thickest

along southern margin of from Vindhyan rocks of middle

Vindhyan supergroup which is proterozoic age

a faulted contact.
(B) stromatolites from South
(B) Vindhyan rocks are thickest
African Greenstone belt of + 3.3
along northern margin of the

supergroup near Bundelkhand billion year age from Barbartan

massif. Greenstone belt.

(C) Vindhyan rocks are thickest
(C) Trace fossils from Karewa beds
along center of the Vindhyan
of Kashmir
syneclise axis

(D) There is no variation in (D) Stromatolites from Jhamarkotra

thickness in Vindhyan dolomites of Aravalli Group.

sediments.

18

71. When sonic logs are cross-multiplied
73. The correct order of the three stages
with the density it produce the of transformation of organic matter
acoustic impedance log which help into hydrocarbons.

(A) Catagenesis - diagenesis - meta-
in generation of ......................... logs.
genesis
(A) Synthetic electrical (B) diagenesis - catagenesis - meta-
genesis
(B) Synthetic neutron
(C) Catagenesis - metagenesis -
(C) Synthetic seismic diagenesis

(D) Diagenesis - metagenesis -
(D) Synthetic density
catagenesis
72. The three main ways of measuring 74. In which of the following oil and gas
fields is limestone the reservoir
the electric resistivity of formation
rock ?
penetrated by borehole are ..................
(A) Cambay Basin

(A) S.P. log, spontaneous potential (B) Bombay high

log, self potential log (C) Krishna-Godawari Basin

(D) Cauvery Basin
(B) Sonic log, seremic log, acoustic
75. Skarn deposits are developed at the
log contact of :

(C) Gamma log, spectral gamma (A) Granites and slates

(B) Gabbro and sandstone
log, Natural gamma ray log
(C) Granites and quartzites
(D) Normal log, Lateral log,
(D) Felsic plutonic intrusives and
carbonate rocks
induction log
19 [P.T.O.

ROUGH WORK

20