,

s. The questions are of multiple choice types. Darken the most appropriate answer out offour choices (A), (B), (C) and (0) given for the respective question on the answer sheet asshown in the example below.

P.G ENTRANCE EXAMINATION~2016SUBJECT: GEOLOGY

Roll Number .

Signature of the Invigilator

Date : .

Signature of the Candidate

1 Date , .

Full Marks : 100 Tune: 2 hours

INSTRUCTIONS

1. Fill in your Roll No. in appropriate space provided in the question Booklet and OMRAnswer Sheet. Fill in the subject code in the place provided in the OMRAnswer Sheet.

2. Answer all questions, Darken the answers (A, B, C, D) in Blue or Black ball point pen.

3. Unless otherwise indicated, the questions are of equal value.

4. There is negative marking in the entrance test. For each wrong answer 0·25 marks will bededucted.

I

, .,~,Example:Question 1 : Eight multiplied by eight is

(A) 32

(C) 48 .

(B) 64

(0) 56

Answer Sheet: . (A). (B). (C) (D)o • 0 0

Important: Please write the answer exactly the way it is shown above in the example.Writing more than one answer will be treated as wrong/cancelled.

Space for rough work is given at the end of this bl!,oklet.

-,.

GEOLOGY

1. Silicate Minerals can be identified through:

(B) XRD

(D) Both 'N and 'B'

2. Which system has maximum no. of symmetry elements :

(Turn Over)

(A) Transmitted light microscope

(C) Reflected light microscope

(A) Hexagonal

(C) Cubic

3. Which of this mineral shows variable hardness

(A) Barite

(C) Kyanite

4. Which of this mineral shows pleochroism:

(A) Quartz

(C) Caclite

5. Which of this mineral shows play of colours:

(A) Labradorite.

(C) Quartz

6. Enstatite of pyroxene group is :

(A) Ca-bearing

(C) Mg-bearing

(B) Trigonal

(D) Orthorhombic

(B) Sillimanite

(D) Enstatite

(B) Diopside

(D) Hornblende

(B) Enstatite

(D) Andalusite

(B) Li-bearing

(D) Na-bearing

7. Which of the following has a vertical axis of six fold symmetry: .

(A) Garnet

(C) Sulphur

( 1 )

(B) Beryl

(D) Barite

.... '.,

GEOL

8. Tephroite ofOlivine group is:

(A) Mg-bearing(C) Ca-bearing

(B) Fe-bearing(D) Mn-bearing

(D) QAP

9. Rocks that are dominantly composed of quartz can be classified on the basis oneof the following diagrams:

(A) ACF (B) Harker (C) AFM

10. The simplest of all silicate structures is that of

(A) Orthosilicates(C) Metasilicates

11. Which garnet is rarely found:

(A) Spessartine(B) Pyrope(C) Almandine(D) Grossularite(E) Uvarovite

12. Which mineral shows change of relief:

(A) Oxide

(C) Carbonate

13. Which of the following is not a Silicate

(A) Sillimanite

(C) Sphalerite

(B) Sorosilicates(D) Ionosilicates

(B) Silicate(D) Sulphide

(B) Spessartine. (D) Spodumine

14. Which mineral shows cross-hatched twinning:

(A) Calcite

(C) Albite

(2 )

(B) Microcline

(D) Orthoclase

( Continued)

GEOL

.eh of the following shows pillow structure

A) Dunite(C) Spilite

(B) Granite(D) Pegmatite

16. Choose the basic rock

(A) Rhyolite(B) Dacite(C) Granodiorite(D) None of'A', 'B' and 'C'(E).All«:«. 'B' and 'C'

17. Which one of the following illustrates "simultaneous crystallization" 1

(A) Porohyritic texture(C) Graphic texture

(B) Acicular texture

(D) Poikilitic texture

18. Which one of the following has maximum Si02 content:

(A) Dunite(C) Synite

(B) Gabbro(D) Granite

19~Which is the volcanic equivalent of Granite

(A) Basalt. .I •(C) Dacite

(B) Rhyloite(D) Phonolite

20. In which one of the following rocks, carbonate minerals predominates:

(A) Shale(C) Sandstone

(B) Arkose(D) Dolomite

21. Which of the following term is used when the grain size is below 11256 mm:

CA)Gravel (B) Clay (C) Silt (D) Sand

( 3 ) (Turn Over)

(A) Contact

(C) Catac1asticI

(B) Static

(D) Both by (A) and (B)

GEOL

22. Mylonites are product of which type of metamorphism :

23. Which one of the following is the mineral of'highest zone of metamorphism :

(A) Sturolite

(C) Chlorite

(B) Almandine

(D) Kyanite

24. Which one of the following term is used for gneiss derived from sedimentaryrocks:

(A) Gnessic Granite

(C) Orthogneiss

(B) Granite Gneiss

(D) Paragneiss

25. Hydroxyl bearing minerals are essentially absent in the rocks belonging to :

(A) Homfels facies

(C) Eclogite facies

(B) Granulite facies.(D) Zeolite facies

26. The water that is entrapped in sedimentary rocks during their formation is called:

(A) Plutonic water

(C) Vadose water

(B) Underground water

(D) Connate water

27. Decan Basalt is not reported from which of the following State of India

(A) Odisha

(C) Gujarat

(B) Madhya Pradesh

(D) Maharastra

28. Oil in Digboi field is found in :

(4 ) ( Continued)

(A) Sylhet Formation

(C) Tipam Formation

(B) Disang Formation

(D) JaintiaFormation

• ·0 Id's more than half of oil comes from:

) Carbonate rocks(C) Siltstone and grit

3 . Lignite in India is available at :

(A) Talcher(C) Raniganj

31. 'Durain' in Coal is considered as:

(A) Mineral

(C) Lithotype

CEOL

(B) Sandstone(0) Shale

(B) Neyvelli(D) Singrauli

(B) Maceral

(0) All of 'N, 'B' and 'C'

32. Gondwana coal in Odisha belongs to which age:

(B) Tertiary

(0) Cambrian

(B) Large volume of ore minerals

(0) All of 'N, ·'B' and 'C'

(B) Blast furnace

(0) Sponge iron plant

(B) Olenus

(0) Asaphus

(Turn Over)

(A) Permian

(C) Proterozoic

33. The high ash content in coal is due to :

(A) Large volume of silicate minerals

(C) Large volume ofmacerals

34. Fly ash is generated from:

(A) Ferro-manganese plant

(C) Thermal power plant

35. Which of these Trilobites was blind:

(A) Olenellus

(C) Agnostus

( 5 )

GEOL

36. Name the Gastropod whose spires are almost overlapped by the lastwhorl :

(A) Physa(C) Vivaparus

(B) Murex(D) Cypraea

(6 ) ( Continued)

37. Gangamopteris is distinguished from Glossopteris by:

(A) Presence of mid-rib(C) Presence of spines

(B) Presence of venation(0) None of 'A', 'B' and '~'

38. Which of the following Molluscas are entirely marine:

(A) Cephalopods

(C) Pelcypods

(B) Gasteropods(D) None of 'A', 'B' and 'C' .

39. Gastropods shows:

(A) Bilateral symmetry(C) Asymmetry

(B) Radial symmetry(D) Biradial symmetry

40., Echinoids were evolved during:

(A) Ordovician(C) Devonian

(B) Cambrian(D) Silurian

41., 'Petrification' is a type of fossilization where:

(A) Original form is preserved I

(B) Only the hard parts are preserved(C) Entire organism is preserved(D) Original form and structure are preserved

42. Most of the shallow focus range earthquakes are caused due to:

(A) Thrust faulting(C) Reverse faulting

(B) Gravity faulting(D) Normal faulting

GEOL

e Plates' in the Plate Tectonics concept are made up of:

) Continental crust only

CB) Continental crust, oceanic crust and outer parts

(C) Both Continental and oceanic crust

(0) Oceanic crust only

44. Deltas are example of:

(A) Zeugogeosynclines

(C) Exogeosynclines

(B) Autogeosynclines

(D) Taphrogeosynclines

45. Mention during which period most of the physiographic features of India wereshaped:

(A) Proterozoic

(C) Mesozoic

(B) Paleaozoic

(D) Cenozoic

46. Mid oceanic ridges are characterized by :

(A) High heat flow, deep-focus earthquakes and positive gravity anomalies

(B) High heat flow, shallow-focus earthquakes and positive gravity anomalies

(C) High heat flow, shallow-focus earthquakes and negative gravity anomalies

(D) Low heat flow, deep-focus earthquakes and negative gravity anomalies

47. Important characteristic rocks of the Island-Arc Systems ate:

(A) Andesite

(C) Blue Schist

(B) Granodiorite

(D) Basalt

.48. As per doctrine ofIsostasy a region oflower density shows:

(A) Negativeanomaly

(C) Positive anomaly

(B) Mass deficiency

• (D) Mass excess

(7 ) (Turn Over)

GEOL , "

49. Beta diagrams and Pi diagrams are used for analyzing :,.1

(A) Folds

(C) Joints '

(B) Faults

(D) Both of 'A'and 'B'

50. In Chevron fold:

(A) Crest is broad and flat(B) Limbs are nearly horizontal(C) Hinges are sharp and angular(D) The axes plunges in the dip direction of axial plane

51. If the rake of the net slip of a fault is 90°, the faultmay'be a:

(A) Strike-slip fault

(C) Diagonal-slip fault

(B) Dip-slip fault

(D) Tear fault

52. The property of the rocks whereby they break along approximately parallelsurfaces is termed :

(A) Bedded fissility

(C) Lineation

(B) Rock cleavage

(D) Foliation

53. A limited area of an exposure in which older rocks are surro.unded by youngerrocks is known as an :

(A) Overlap (B) Inlier (C) Outlier (D)Offiap

54. Intrusive igneous contacts are indicative of:

(A) Angular unconformity

(C) Non-confirmity

(B) Disconfirmity

(D) Blended unconformity

55. Joints which are developed perpendicular to the fold axes are called:

(A) Extension joints

(C) Tensionjoints(B) Released joints

(D) Shear joints

( 8 ) ( Continued)'

-~-------------------------------------------------------- ..~~~

GEOL

6. The amount of dip measured along the strike directions of a vertical bed is always:

. (B) 60° (D) Zero

57. In the case of normal fault, the hade is towards:

(A) Upthrown side (B) Downthrown side

(C) Eitherdownthrownorupthrownside (D) None of 'A', 'B'and 'C'

5S. Which of the following are the folds with parallel arrangements of limbs:

(A) Reclined folds(C) Isoclinal folds

(B) Inverted folds

(D) Symmetrical folds

59. A synform may be described as a :

(A) Downward facing syncline(C) Upward facing syncline

(B) Downward facing anticline(D) Upward facing anticline

60. Which of the following has a quaquaversal dip:

(A) Depression(C) Domes

(B) Plateau(D) Basin

61. When two sets of beds separated by an unconformity are not parrallel to each other,it is described as :

(A) Angular unconformity

(C) Non-conformity(B) Disconformity

(0) Blended unconformity

62. When anion and cations of similar size and in same numbers crystallizes in similartype of structure, the phenomenon is known as :

(A) Diadochy

(C) Isomorphism

(B) Polymorphism(0) Eutectic crystallization .

( TurnOver)(9 )

GEOL

63. Serpentine alters from olivine on the addition of :

(A) ~O(C) ~O, Si02 and CO2

(B) Si02

CD) Both of 'A' and 'B'

64. When polymorphism occurs in elements, it is described as :

(A) Paramorphism(C) Monotropy

(B) Enantiotropy(D) Allotropy

65. The feldspathoid mineral 'Nepheline' is isomorphous with :

(A) High quartz

(C) High cryistobalite

(B) High tridymite

(D) High Leucite

66. Iron is known as a __ element.

(A) Lithophile(C) Siderophile

(B) Chalcophile(D) Atmophile

67. Which of the following features are the most useful in the analysis of sedimentaryenvironments ?

(A) Colour of the sediments(C) Primary structures

(B) Grain size of the sediments(D) Secondary structure

68. Which one of the following is a manganese mineral:

(A) Marcasite(C) Manganite

(B) Magnetite(D) Millerite

69. Which of the following is a Gemstone:

(A) Ruby(B) Cat's eye(C) Shellite(D) Pyrite(E) Both 'A' and 'B'

( 10 ) ( Continued)

--

GEOL

70. Which one is not a mineral of iron:

( 11 ) (Turn Over)

(A) Hematite (B) Goethite (C) Chalcopyrite (D) Siderite

71. Find the odd one out:

(A) Spessartine (B) Magnetite (C) Pyrolusite (D) Chromite

72. Which of the following is a Zinc carbonate:

(A) Rhodocrosite

(C) Dolomite

(B) Magnesite

(D) Smithsonite

13. Which one of the following js not a lead mineral:

(A) Galena (B) Anglesite (C) Sphalerite (D) Cerrusite

74. The chemical formula of Malachite is:

(A) CuC03" 2Cu(OH)2(C) 2CuC03" CU(OH)2

(B) 2CuC03" 2Cu(OH)2(D) CuC03" CU(OH)2

7S. The element used as path finder of Gold is:

(A) Platinum (B) Antimony (C) Arsenic (D) Mercury

76. Placer deposits are formed as a result of:

(A) Mechanical concentration

(C) Residual concentration

(B) Residual liquid segregation

(D) All of 'A', 'B' and 'C'

77. Bauxite forms through which process of formation:

(A) Mechanical concentration(C) Magnetic segregation

(B) Residual concentration(D) Contact metasomatism

GEOL

78. The topmost producer of Chromite in the country is

(A) Bihar(B) MP(C) Odisha(D) Nagaland(E) Andhra Pradesh

79. Chromium is used in which of the following industries

(A) Metallurgical

(C) Refractory

(B) Chemical

(D) All of 'A', 'B' and 'C'

80. Which of the following is a copper oxide mineral:

(A) Cuprite

(C) Chalcopyrite

(B) Chalcocite

(0) Covellite

81. The successive overlapping in aerial photographs to cover a common area is about:

(A) 20% (B) 40% (C) 60% (0) 80%

82. Aerial photographs are studied in three dimensions by :

(A) Stereograph

(C) Theodolite

(B) Streoscope

(0) Streophone

83. Which one is the litho-stratigraphic unit:

(A) Epoch (B) System (C) Formation (0) Stage

84. Mapable assemblages of strata are called:

(A) Time-units

(C) .Rock-units

(B) Time-rock units

(0) None of the above'

( 12 ) ( Continued)

-~L- ~ __~~~~--,

r, GEOL

(C) Four (D) Five

85. How many diamondiferous unconformities are there i~ Vmdhyans :

86. Which of the following are the strongest criteria for superposition ?

87. Sloping surfaces of valley upon which dam rests is known as :

(A) Two (B) Three

(B) Abutment

(D) Relief surface

(A) Graded bedding(B) Cross bedding .(C) Convolute bedding(D) Index fossils(E) Drag folds

(A) Pier

(C) Side wall

88. Water on the up-stream side of the dam is:

(A) Surface water

(C) Perched water

(B) Reservoir water

(D) Tail water

89. Where the river section is wide and the foundation is unsound, which type of Damis preferred :

(B) Gravity Dam

(D) Arch Dam

90. Grouting is considered to be :

(A) A process of determining the coefficient or water saturation of a material

(B) A process of lining of tunnels to support the pressure exerted by the materialin which the tunnel is excavated

(C) The injection of suitable material into the earth's crust to seal any open fissures

(Turn Over)

(A) Multiple arch Dam

(C) EmbankmentDam

(D) None of the above

( 13 )

GEOL

(B) Aquiclude

(D) Aquitard

91. An impertneable formation that contains but does transmits water Is called :

(A) Aquifer

(C) Aquifuge

92. Which of the geophysical methodis best suited for ground water exploration:

(A) Seismic refraction method

(C) Magnetic method .

93. The units of Permeability is known as :

(A) Stokes (B) Poise

, 94. Most of the aquifers consist of :

(A) Limestones

(B) Sandstones

(C) Sands and Gravels

(D) Porous breccias and conglomerates

95. Diamond drilling can be used to bore holes in :

(A) Horizontal direction only

(C) Horizontal and vertical directions

(B) Gravity method

(D) Resistivity method

(C) Darcy (D) Weber

(B) Vertical direction only

(D) In any directions

96. Which type of sampling method is considered when the exposure of outcropsis scarce

(A) Trenching

(C) Well-logging

(B) Drilling

(D) Bulk sampling

(B) Residual accumulation

(D) Selective concentration

( Continued)

97. Geochemical soil anomalies are mostly due to :

(A) Heavy mineral accumulation

(C) Hydrothermal accumulation

( 14 )

---

GEOL

98. If the spacing between the various contour lines is very narrow, it indicates thepresence of a :

(A) Almost horizontal terrain

(C) Steeply dipping terrain(B) Gently dipping terrain

(D) None of the above

99. The intersection of contour lines with the bedding plane indicates the presenceof a

(A) Horizontal bed(C) Dippingbed

(B) Vertical bed

(D) None of the above

100. Coning and quartering is a method of:

(A) Beneficiation(C) Mineral characterization

(B) Sampling

(D) Metal extraction

( 15 ) RC-300