MAHA SET 2018 Question Paper 2 Earth, Atmospheric Ocean And Planetary Science

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A
EARTH, ATMOSPHERIC, OCEAN & PLANETARY SCIENCE
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JAN - 35218 (To be filled by the Candidate)
Time Allowed : 1¼ Hours] [Maximum Marks : 100
Number of Pages in this Booklet : 12 Number of Questions in this Booklet : 50
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EARTH, ATMOSPHERIC, OCEAN & PLANETARY SCIENCE
Paper II
Time Allowed : 75 Minutes] [Maximum Marks : 100

Note : This Paper contains Fifty (50) multiple choice questions. Each question

carries Two (2) marks. Attempt All questions.

1. Kepler’s Second Law of planetary 3. A cylinder of length ‘L’ and diameter
motion states that orbital radius of ‘D’ when subjected to a tensile stress

a planet sweeps out : parallel to L would be elongated in
length, but the same time shortened
(A) Equal area in equal orbits
in diameter and is expressed by :
(B) Larger area in smaller orbits
(A) Rigidity Modulus
(C) Equal areas in equal interval
(B) Poisson’s Ratio
of time
(C) Stretching Constant
(D) Smaller area in larger time
(D) Tensile Strength
interval
4. Aluminium saturation index
2. Sampling the same place with
determines whether a rock is
seismic waves arriving from
metaaluminous or peraluminous, the
different directions and producing peraluminous rocks contain
the anomalies is the basic principle aluminous minerals including
of : muscovite, garnet sillimanite and …

(A) Seismic Inversion (A) Cordierite

(B) Seismic Tomography (B) Coesite

(C) Seismic Reflection (C) Covanzite

(D) Seismic Refraction (D) Comingtonite
3 [P.T.O.

5. The composition of sapphire is : 8. There are different types of coal. Two
of them release a great deal of
(A) Al2O3
pollutants into the air whereas the

(B) CaTiO3 third releases less smoke is
considered to be less polluting. Name
(C) Al2SiO5 the less polluting type of coal :

(D) Al2(OH)Si2O7 (A) Lignite

(B) Anthracite
6. Find the odd one out :
(C) Bituminous
(A) Omphacite - Eelogite
(D) Sub-bituminous
(B) Glaucophane - Blue schist
9. Which of the following minerals is
(C) Laumontite - Zeolite a ring silicate ?

(A) Pyrophyllite
(D) Hypersthene - Greenschist
(B) Enstatite
7. Which of the following are the
(C) Forsterite
typical marine biogenic sediment
(D) Tourmaline
types ?
10. Thick deposits of homogeneous, wind
(A) Pelagic muds & turbidites transported unstratified silt in
middle latitudes is generally known
(B) Calcareous Ooze & Siliceous
as :
Oozes
(A) Ergs
(C) Calcareous sandstone and
(B) Loess
sandy limestone
(C) Eolianite

(D) none of the above (D) Draas
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11. Stream competence primarily 14. Match the following :

depends up : Type of Coral Properties

Reef
(A) Amount of suspended load
(a) Barrier reef (i) Attached to
(B) Water temperature
coast

(C) Channel shape (b) Fringing reef (ii) Separated

(D) Flow velocity from the coast

(c) Atoll (iii) Encloses
12. Hydrograph is a graph of discharge
a central
plotted against :
lagoon
(A) Channel width
(A) (a)–(ii) (b)–(i) (c)–(iii)

(B) Channel depth (B) (a)–(iii) (b)–(i) (c)–(ii)

(C) Channel velocity (C) (a)–(i) (b)–(ii) (c)–(iii)

(D) (a)–(i) (b)–(iii) (c)–(ii)
(D) Time
15. Which one of the following is a
13. A blind valley is a type of : landform created by wave erosion (as
opposed to deposition) ?
(A) Glacial Valley
(A) Spit
(B) Karst Valley
(B) Sea arch
(C) Rift Valley
(C) Tombolo

(D) Intermontane Valley (D) Estuary

5 [P.T.O.

16. The presence of which one of the 19. The height (above mean sea level)

following would indicate sea level fall corresponding to the atmospheric
pressure 500 hPa will be close to :
or uplift of land :
(A) 1.5 km
(A) An estuary
(B) 18 km
(B) An elevated marine terrace
(C) 5.5 km
(C) A tombolo
(D) 10.2 km
(D) Coastal dune 20. The pressure gradient force acts

17. A middle-latitude cell in the 3-cell from :

model of the general circulation : (A) High pressure region to low
pressure region
(A) Hadley Cell
(B) Low pressure region to high
(B) Polar Cell
pressure region

(C) Storm Cell (C) Higher latitudes to lower

(D) Ferrel Cell latitudes

(D) West to East
18. The average earth surface
21. Among the following substances, which
temperature :
is commonly used for cloud seeding :
(A) 28°C
(A) Silver Iodide
(B) 32°C
(B) Sand
(C) 15°C (C) Black carbon

(D) 5°C (D) Copper sulphate

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22. This process pertains to heating or 25. Which of the following group
cooling in gases due strictly to their displays highest lateral extent in
expansion and contraction : Cuddapah Basin ?

(A) Advection (A) Nallamalai

(B) Deflation (B) Kistna

(C) Adiabatic (C) Cheyair

(D) Sublimation (D) Papaghani

23. The largest scale of atmopheric 26. The Siwalik sequence represents the
motion is : fluvial deposition of the Himalayan

(A) Mesoscale foreland basin while the marine
sequence is marked by :
(B) Local scale
(A) Subathu Formation
(C) Planetary scale
(B) Murree Formation
(D) Urban scale
(C) Kasauli Group
24. In seismology, the moment
magnitudes are calculated by : (D) Pinjor Formation

(A) Slip amount × Modulus of 27. Stratigraphic position of Lameta

Elasticity Beds is :

(B) Shear Modulus × (P-S Wave (A) Inter trappeans

Velocity) (B) Infratrappean

(C) Slip × Area × Elastic Modulus (C) Epitrapean

(D) (P-S arrival) × Amplitude (D) Post-trapean

7 [P.T.O.

28. The Mesoproterozoic rift-valleys, 31. What is the age of most of sandstone
Mahandi and Pranhita-Godavari reservoir rock in the Cambay Basin ?
are equated with Lambert rift of
(A) Oligocene
Antarctica and Unita rift of North
America is supposed to be indicative (B) Eocene
of : (C) Miocene
(A) Fragmentation of Columbia (D) Palaeocene
(B) Fragmentation of Pannotia
32. Petroleum is formed from oceanic
(C) Fragmentation of East and organisms that have large
West Gondwana component of..................and therefore
(D) Collision of East & West less oxygen per carbon than the
Gondwana C6H10O5 of carbohydrates found as
29. The high grade metamorphic rocks three major component of land
are brought over the low grade plants :
metamorphic rocks of Lesser (A) pepofine
Himalaya by a major thrust called :
(B) lipid
(A) Main Boundary Thrust
(C) fulvic acids
(B) Lesser Himalayan Thrust
(D) amino acids
(C) Indus Suture Zone
33. Construction of dams, levees and
(D) Main Central Thrust
other channel improvement
30. The Krol-Tal boundary in the Lesser
structures used for flood control are
Himalaya represents :
categorized as :
(A) Neoproterozoic - Cambrian
(A) Non-structural approach
transition

(B) Cambro - Ordovician boundary (B) Structural approach

(C) Cretaceous - Tertiary boundary (C) Curvilinear approach

(D) Jurassic - Cretaceous boundary (D) Staggened approach

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34. It is customary to describe common 37. The average rock density of

pyroxenes in terms of four end continental crust and the oceanic
crust respectively are :
members : diopside, hedenbergite,
(A) 3·7 gm/cm3 and 2·7 gm/cm3
enstatite, ..................
(B) 8 gm/cm3 and 12 gm/cm3
(A) ferrosilite
(C) 2·7 gm/cm3 and 3 gm/cm3
(B) ferropericlase
(D) 2·7 gm/m3 and 3·5 gm/m3
(C) faylite
38. The surface waves for which the
(D) jadite motion occurs in the direction of
propogation and perpendicular in
35. The core mantle boundary occur at
phased pattern are called :
the depths of :
(A) L-wave
(A) 3900 km
(B) Rayleigh wave
(B) 5500 km (C) P-wave

(C) 2900 km (D) S-wave

(D) 1200 km 39. Richter scale gives an idea of the
amount of energy released during
36. The ionospheric magnetic field is
an earthquake and is based on
because of : the...............of seismic waves at a
distance of.................km from the
(A) Hydrogen ions fusion
epicenter :
(B) He bombardment on Na
(A) Amplitude and 100 km
(C) Solar winds (B) Motion and 200 km
(D) Fluctuation in Geomagnetic (C) Epicenter and 300 km
fields (D) Velocity and 400 km
9 [P.T.O.

40. The lower mantle is considered by 43. The water discharged through
most to be made up of three phases,
streams consisting wholly or in part
Mg-pervoskite, Ca-pervoskite and
..................... of water contributed by overland

(A) Ringwoodite flow and groundwater flow is

(B) Ferropericlare called :

(C) Mg-wusfite
(A) Precipitation
(D) Maforite
(B) Runoff
41. Seismicity is at very high frequency
at which of the following compound (C) Transpiration
to the others :
(D) Evaporation
(A) MORB

(B) Extensional plate contacts 44. Which of the following is not part

(C) Subduction zones of a hydrologic cycle ?

(D) Volcanoes
(A) Water infiltrating into the soil
42. The difference in arrival times of P
and bed rock
and S wave increases with distance
while the ratio of P and S wave (B) Water evaporating from a lake
velocities :
(C) Calcium carbonate dissolving
(A) Remains same
in soil water and ground water
(B) Decreases logarythmically

(C) Decreases linearly (D) Water moving into crecks and

(D) Increases periodically streams following a rain

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45. A saturated but relatively permeable 48. The rock formation that can hold,
material that does not yield transmit and yield water is called :
appreciable quantities of water of
(A) Aquiclude
wells is :
(B) Aquitard
(A) Aquiclude

(B) Aquifuge (C) Aquifuge

(C) Aquitard (D) Aquifer

(D) Aquifer 49. The single largest bedded type barite

46. An aquifer bound by one or two deposit located in Andhra Pradesh

aquitards is called as : is :

(A) Artesian aquifer (A) Guntur

(B) Leaky aquifer (B) Hyderabad

(C) Unconfined aquifer
(C) Mangampetta
(D) Perched aquifer
(D) Nellore
47. A layer of water bearing pervious
50. Kimberlite and lamproite pipes are
material that is sandwiched between
explored for :
two clay layers is called :
(A) Diamond
(A) Unconfined aquifer

(B) Confined aquifer (B) Beryl

(C) Semi-unconfined aquifer (C) Corundum

(D) Semi-confined aquifer (D) Quartz

11 [P.T.O.

ROUGH WORK

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