MH SET 2013: 1 December, Paper II, Earth Atmospheric Ocean and Planetary Science
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Earth, Atmospheric, Ocean and 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. A progressive increase of toxic 3. If an engineering structure has to
be built in an area covered with
substances through food-chain result
water, the area is surrounded by a
into toxic effects on the consumers.
wall made of combination of various
This is due to :
materials, such structure is referred
(A) Accumulation to as :
(B) Biomagnification (A) Cofferdam
(B) Pilaster
(C) Bioexcretion
(C) Cut and Cover
(D) Biorejection
(D) Caissons or Piers
2. The ecological process that
4. Zones that are characterized by
undergoes series of changes
shallow, intermediate and deep
bringing in development of biological seismicity, negative gravity
communities over time and space is anomaly, very low heat flow and
known as : sites for sediment accumulations
are :
(A) Ecological Succession
(A) Subduction Zones
(B) Ecological habitat
(B) Transform Fault Zones
(C) Ecosystem (C) Constructive Plate Margins
(D) Autecology (D) Triple Junctions
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5. Identify the youngest Continental
7. The field strengths of the Earth’s
Flood Basalt Province amongst the
following : magnetic field are usually expressed
(i) Siberian Traps
in :
(ii) Parana Province
(iii) Karoo Province and (A) Kilogauss (KG)
(iv) Columbia River Province
(B) Nano Tesla (nT)
(A) Karoo Province
(B) Parana Province (C) Ampere/meter (A/m)
(C) Siberian Traps
(D) Volts/meter (V/m)
(D) Columbia River Province
8. When a set of seismic waves meet
6. Arrange the following rocks in the
order of increase in shearing :
a gap they tend to spread out on
(i) Rock with mortar texture
other side, the phenomenon can be
(ii) Mylonite
(iii) Ultramylonite and described as :
(iv) Rock with flaser structures
(A) Refraction
Codes :
(B) Reflection
(A) (i), (iv), (iii) and (ii)
(B) (i), (iv), (ii) and (iii)
(C) Diffusion
(C) (ii), (iii), (iv) and (i)
(D) Diffraction
(D) (iii), (ii), (iv) and (i)
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9. The Cretaceous-Tertiary boundary 11. A tributary stream which flows
for some distance parallel to the
is characterised by :
main channel as the levees prevent
(A) Iridium Anomaly
it from entering main stream is
called :
(B) Strontium Anomaly
(A) Yazoo river
(C) Eu Anomaly
(B) Crevasse splay
(D) Nd Anomaly
(C) Sabkha stream
10. Mark the correct order of ion
(D) Yardang
mobility in a generalized chemical
12. The bowl or arm-chair shaped
weathering zone : glacier sources enclosed by steep
head walls are known as :
(A) Al > Na > K > SO4
(A) Cirque
(B) Na > SO4 > K > Ca
(B) Kame
(C) Na > K > Si > Al
(C) Kettle
(D) Ca > Mg > Fe > SO4 (D) Roche Montonee
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15. Choose the correct combination of
13. The transition between Laminar
lithology and age of the major
flow and turbulent flow occurs when petroleum reservoirs in Bombay
High :
the ratio of the inertia fluid force is
(A) Shale-Eocene
significantly larger than :
(B) Sandstone-Eocene
(A) Viscous fluid forces (C) Limestone-Miocene
(D) Sandstone-Miocene
(B) Turbulent flow
16. Which of the following statements
(C) Laminar flow is true for Ekman transport in
ocean ?
(D) Bed load
(A) It causes upwelling in coastal
14. Choose the formation containing regions
(B) It leads to decrease in biological
reservoir rocks in Cambay Basin :
productivity
(A) Panna Formation (C) It causes downwelling of surface
waters
(B) Naredi Formation
(D) Due to Ekman transport the
(C) Broach Formation upper layer of the ocean exhibit
a net motion parallel to the
(D) Ankaleshwar Formation wind direction
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17. The pelagic sediment in deep-sea 19. The age of the oldest fossils is :
floor, known as ooze, consists (A) 500 million years
dominantly of : (B) 1 to 2 billion years
(A) wind-blown clay particles (C) 2 to 3 billion years
(B) turbidities (D) > 3 billion years
20. Which of the following genera has
(C) tiny shells of marine organisms
taxodont dentition ?
(D) phosphates
(A) Gryphaea
18. A rock sample contains 3 genera of
(B) Ostrea
brachiopod whose stratigraphic
(C) Pecten
ranges are, Ordovician to Permian,
(D) Arca
Devonian to Permian and Cambrian
21. For separation of which of the
to Devonian respectively. The age of
following microfossils you will not
the sample is :
treat the samples with acid ?
(A) Cambrian to Permian
(A) Dinoflagellate
(B) Devonian (B) Diatoms
(C) Cambrian (C) Radiolaria
(D) Cambrian to Devonian (D) Ostracoda
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22. As per the BIS for drinking water, 24. An impermeable geologic formation
the desirable limit of TDS is : that neither contains nor transmits
(A) 300 mg/l water is called :
(B) 750 mg/l (A) Aquifer
(C) 75 mg/l (B) Aquiclude
(D) 0.01 mg/l (C) Aquifuge
23. Addition of nutrients such as (D) Aquitard
nitrates and phosphates to water 25. Yield of a well per unit drawdown
bodies is called : is called :
(A) Hypoxia (A) Specific capacity
(B) Eutrophication (B) Specific retention
(C) Anoxia (C) Specific yield
(D) Algal bloom (D) Safe yield
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26. Baden Ghyben-Herzberg relation-
28. In lapse rate, adiabatic means that
ship states that for every foot of
groundwater above sea level there there is :
are forty feet of fresh water below
sea level. This statement is true in (A) No exchange of heat
case of :
(B) Exchange of heat
(A) Homogenous medium
(B) Heterogenous medium
(C) Latent heat release
(C) Multiple aquifers
(D) Aquitards (D) Heat gain
27. Arrange the following in the order
29. Temperature inversion occurs
of their decreasing hydraulic
conductivity : when :
(i) Sandstone
(A) Cold air covers warm air
(ii) Gravel
(iii) Unfractured basalt and (B) Warm air covers cold air
(iv) Clay
(C) There is moisture adiabatic
Codes :
(A) (i), (ii), (iii) and (iv) lapse rate
(B) (ii), (i), (iv) and (iii)
(D) There is dry adiabatic lapse
(C) (iv), (iii), (ii) and (i)
(D) (ii), (i), (iii) and (iv) rate
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30. Solar flux density reaching earth 33. A medium to fine grained
(solar constant) is :
sedimentary rock with angular
(A) ~1200 W/m2
framework of quartz, chert and
(B) ~1000 W/m2
rock fragments is called :
(C) ~1400 W/m2
(A) Arkose
(D) ~800 W/m2
(B) Graywacke
31. The Earth’s average albedo is :
(C) Arenite
(A) ~31%
(B) ~25% (D) Sandstone
(C) ~40% 34. Below the carbonate compensation
(D) ~20% depth (CCD), much of the carbonate
32. In the tropics the net radiation is dissolved. The CCD is around
throughout the year is :
meter for calcite :
(A) Positive
(A) 1000 m
(B) Negative
(B) 2000 m
(C) Zero
(C) 5000 m
(D) Positive in summer and
negative in winter (D) 10 m
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35. Choose the youngest stratigraphic 37. Which one of the following is the
unit from the following : largest felsic volcanic province of
(A) Iron Ore Group India ?
(B) Cuddapah Supergroup (A) Malani Suite
(C) Patcham Formation (B) Deccan Traps
(D) Subathu Formation (C) Rajmahal Traps
36. Lesser Himalayan domain in (D) Sylhet Traps
Himalaya is separated from Great 38. The Jurassic sucession in Jaisalmer,
Himalaya by : Rajasthan commences with :
(A) Main Central Thrust (A) Ukra Beds
(B) Main Boundary Thrust (B) Gajansar Beds
(C) Himalayan Frontal Fault (C) Lathi Beds
(D) Indus Suture Zone (D) Bagh Beds
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39. Rapakivi texture is characterized 41. The characteristic assemblage of
by :
granulite facies is :
(A) K-feldspar is surrounded by
(A) Hornblende-plagioclase-garnet
sodic-plagioclase
(B) K-feldspar is surrounded by (B) Orthopyroxene-plagioclase-
calcic-plagioclase garnet
(C) Plagioclase is rimmed by
(C) Scapolite-plagioclase-quartz
K-feldspar
(D) Omphacite-garnet lawsonite
(D) Plagioclase with exsolved
K-feldspar 42. The ore deposits developed most
40. Ocean Island Basalt (OIB) magmas often, but not invariably at the
are characterized by :
contact of intrusive plutons and
(A) Depletion in LILE and LREE
carbonate country rocks are called
compare to MORB
as :
(B) Enrichment in LREE and LILE
compare to MORB (A) Skarn deposits
(C) Large scale contamination of (B) Calc-silicate hornfels
continental crust
(C) Skarnoid
(D) Enrichment of LREE and LILE
compare to continental crust (D) Isochemical metamorphic
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43. A mineral although complex in 45. Ore deposits associated with
composition but essentially an granoblastic aggregate of quartz
isomorphous mixture of two and and muscovite with accessory
members gehlenite (CaAl) and amounts of topaz, tourmaline and
flourite formed by the post-magmatic
akermanite (CaMg) that occurs in
metasomatic alternation of granite
subsilicic igneous rock is :
are referred to as :
(A) Melilite
(A) Greisen deposits
(B) Nepheline
(B) Skarn deposits
(C) Sodalite
(C) Sedex deposits
(D) Cancrinite
(D) Kuroko type deposits
44. A characteristic contact metamor-
46. Deep weathering processes akin to
phic mineral closely related to
lateritisation can also give rise to the
olivine and usually found in
formation of high grade manganese
limestones and dolemites is
deposits generally classified as
recognized as : deposits of :
(A) Tephroite (A) Supergene enrichment
(B) Monticellite (B) Nodular type
(C) Larnite (C) Gondite type
(D) Myalosiderite (D) Khondalite type
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47. The geological Eon when the planet 49. The Jovian planets composed of :
earth was formed and till the crust
(A) Refractory elements
stabilized on Earth is called :
(B) Volatile elements
(A) Archean (~4 to 2.7 b.y.)
(C) Lithophile elements
(B) Proterozoic (~2.7 to 1.5 b.y.)
(C) Neoproterozoic (~1.5 to 0.5 b.y.) (D) High field strength elements
(D) Hadean (~4.6 to 3.8 b.y.) 50. The most abundant element in the
48. The average composition of planet
solar system is :
Earth corresponds to :
(A) Helium
(A) Peridotite
(B) Oxygen
(B) Harzburgite
(C) Hydrogen
(C) Siderite
(D) Chondrite (D) Nitrogen
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ROUGH WORK
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ROUGH WORK
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Source: Savitribai Phule Pune University. Question paper published by Savitribai Phule Pune University.