Exam Details

Subject geology
Paper
Exam / Course combined competitive examination
Department
Organization Jammu Kashmir Public Service Commission
Position
Exam Date 2013
City, State jammu kashmir,


Question Paper

1. The Wiechert-Gutenberg discontinuity is obseved at what depth

About 35 km below the surface About 2881 km below the surface


About 3473 km below the surface About 200 km below the surface


2. Par and Morar series are integral part of which of the following systems

Bijawar Cuddapah


Gwalior Delhi


3. Chamberlin and Moulton suggested which of the following hypothesis for the origin of the earth

Nebular Hypothesis Planetesimal Hypothesis


Accretion Growth Hypothesis Asteroidal Hypothesis


4. Most important stage in the formation of the solar system is the burning of

Carbon Helium


Hydrogen Oxygen


5. Which is the fastest spreading plate on the earth

Indian plate Eurasian plate


Rodanian plate Nazca plate


6. Mohorovicic discontinuity is observed between which of the following

Mantle and Core Continental and Oceanic crust


Crust and mantle Lithosphere and asthenosphere


7. Core of the Earth is composed of

Fe-A1 minerals Ni-Fe minerals


Mg-Ni minerals Fe-Mg minerals


8. Major coal production in Jharia Coal Field comes from
Talchir series Ironstone shale stage Barakar stage Raniganj stage
9. Correct age of the Earth is 4540 million years 4400 million years 4650 million years 4600 million years
10. Who proposed the term Isostasy W.D. West C.E. Dutton James Hutten Aurther Holmes

11. High heat flow is observed in which of the following places

Cenozoic volcanic ridges Ocean ridges


Precambrian shield Ocean trenches


12. Concave procession of barchans is indicative of the direction of

River Moraines


Coast line Wind


13. shaped valley is indicative of

Sheet wash by the river Old stage of the river


Mature stage of the river Youth stage of the river


14. When soil-creep is controlled by frost and thaw such movement of soil is called

Mud-flow Lahars


Terracettes Solifluction


15. Broad loop of a meander with a narrow neck cut off from one side of the deserted channel is called

Ox-bow lake Entrenched meander


Free-meander Braided river


16. Horizontal beds capped by resistant bed and having steep slopes all around is called

Questa Hogback


Butte Mesa


17. Fallen rock debris that accumulate at the base of the cliff is called

Elluvium Alluvium


Tuffs Talus


18. Chernozem soil develop under which of the following climatic conditions

Monsoon Borel


Steppes Desert


19. A bar connecting an island to the mainland or to another island is called

Lagoon Barrier island


Tombolo Barrier beach


20. Smaller pyroclastic rock fragments about the size of a pea are called

Lapilli Volcanic tuffs


Tephera Volcanic bombs


21. When effusion of mobile lava is dominant either from craters or fissures and the gas escaping quietly, such volcanoes are called

Strambolian type of volcanoes Vesuvian type of volcanoes


Volcanian type of volcanoes Hawaiian type of Volcanoes


22. Drumlins are formed by which of the following process

Glacial erosion Wind erosion


Fluvial erosion Marineerosion


23. Shape of the 'atolls' is similar to which of the following

Long wall Ring


Delta Egg


24. Which of the following rocks is least effected by chemical weathering process

Shale Granite


Basalt Limestone


25. Bajadas are found in which of the following climate

Monsoon climate Desert/arid climate


Tundra region Antartica


26. The author of the book Principles of Geology is .................


Sir Charles Lyell James Hutton


Charles Darwin None of the above


27. Jean Jaffrays postulated which of the following hypothesis for the origin of fold mountains

Bicausal hypothesis Thermal cycle hypothesis


Convection current hypothesis Thermal contraction hypothesis


28. Which of the following facts are correctly associated with "Continental Drift Theory"

Carry (1958) Continental raft 3000 m. y.


Carry (1958) Asthenosphere 300 m. y.


Wagner (1912) Plate tectonics 300 m. y.


Wagner (1912) Pangea 300 m. y.


29. Piezoelectric crystals are those which

lack in the axis of symmetry lack in the plane of symmetry


lack in the polar axis lack in the centre of symmetry


30. How many elements of symmetry elements are recognized in the crystallography


31. notation indicates

rotational axis perpendicular to the plane of symmetry


rotational axis co-planar with the plane of symmetry


rotational axis with both levels of plane of symmetry


rotational axis with two fold axis perpendicular to it.


32. Major oil and gas accumulation in the Cambay basin is confined to

Nawagaon Formations Wavel Formations


Kalol Formation Jamnagar Formation


33. Cassiterite belongs to which of the following crystal systems

Orthorhombic Tetragonal


Hexagonal Cubic


34. In which crystal system three axes are right angles to each other but their axial parameters are different

Triclinic Orthorhombic


Monoclinic Tetragonal


35. Name the mineral in which the plane of symmetry is 7.

Beryl ß quartz


Benitoite Barytes


36. Which mineral of the monoclinic system lacks in the centre of symmetry

Epidote Scolecite


Augite Orthoclase


37. Which of the following sequence is correct showing specific gravity increase with increasing atomic weight of cation in orthorhombic carbonates

Aragonite, strontianite, witherite, cerussite


Strontianite, aragonite, witherite, cerussite


Aragonite, cerussite, strontianite, witherite


Witherite, cerussite, strontianite, aragonite


38. In olivine structure the layers consisting of octahedra cross-linked by independent SiO4 tetrahedra, lie parallel to which of the following







39. Which is the mineral of a cubic system whose plane of symmetry is 3

Pyrite Fluorite


Cobaltite Garnet


40. A iii-fold axes is the characteristic feature of which of the following crystal systems

Triclinic system Isometric system


Tetragonal system Monoclinic system


41. The father of Modern Geology is ................


James Hutton Willium Smith


Nicolos Steno None of the above


42. Rock Gondite is associated with which of the following

Saussars Sakolis


Chilpis None of the above


43. Which of the following symmetry class whose plane symmetry is 3 and axis of symmetry is 4 II and 1 IV

Pyrite type Scheelite type


Zircon type Garnet type


44. Bhanders are integral part of

Supra-Panchet Gwaliors


Lower-Gondwanas Vindhyans


45. Which of the minerals is isotropic under crossed nicol condition

Calcite Orthoclase


Quartz Garnet


46. Twinkling under the plane polarized light is seen in case of which of the following minerals

Quartz Orthoclase


Nepheleni Calcite


47. Cross-hatching is observed under the cross nicol conditions in case of which of the following minerals

Orthoclase Plagioclase


Microcline Lucite


48. Cloudy extinction is the characteristic property of which of the following minerals

Nosean Garnet


Diopside Quartz


49. Which of the following minerals shows extinction angle of about 120°

Augite Chlorite


Epidote Hornblende


50. Which of the following mineral contains high amount of chromium content

Biotite Phlogopite


Lepidolite Fuchsite


51. Tectosilicates are represented by which of the correct ratio of Si:O

1:4 2:5


1:3 1:2


52. Phenomenon of monotropy could be explained by which of the following

Pyrite-pyrrhotite relationship Marcasite-pyrite relationship


Quartz-tridymite relationship Diamond-graphite relationship


53. Magnesium garnet is termed as

Almandine Grossularite


Spessartite Pyrope


54. Change in colour or intensity or both of a mineral is observed when the stage of the microscope is rotated under plane polarized light, is called

Anisotropism Polarization colours


Pleochroism Birefrigence


55. Biotite is identified under the microscope by which of the following property

Highrelief High order polarization colours


Strong pleochroism Straight extinction


56. Angle substended between two optic axes is called

Extinction angle Angle of dispersion


2 V Angle of interference


57. Correct cleavage angle of augite ranges between

56° 124° 88° 92°


56° 88° 92° 120°


58. Which of the following composition correctly represents Foresterite

Fe)2 SiO3


FeSiO4


59. Na Al Si3O8 is the correct composition of a

Hypersthene


Hornblende


60. Correct shape of sanidine crystal is

Six sided


Prismatic



Mg SiO4


Fe) SiO4


Orthoclase


Plagioclase


Eight sided


Needle shape


61. Albite and anorthite are the two end members of the solid solution series that belongs to which of the following minerals

Orthoclase Plagioclase


Microcline Nepheline


62. Diopside and hedenbergite are the two end members of the solid solution series that belong to which of the following

Olivine Pyroxene


Amphibole Feldspathoids


63. Bytomite mineral belongs to which of the following

Biotite Muscovite


Plagioclase Orthoclase


64. Which of the following minerals is formed by alteration of ferro-magnesium minerals

Sphene Rutile


Anatase Chlorite


65. Nepheline and lucite can be distinguished by which of the most important character

Relief Polarization colours


Pleochroism Isotropism


66. East coast bauxite deposit is associated with which of the following rocks

Gondite Basalt


Kodurite Khondalite


67. Which of the following rock in Central India contains pyrolusite and psilmelane minerals

Anorthosite Kodurite


Gondite Khondalite


68. Major oil producing formation in Assam is

Dupitala formation Tipam formation


Surma formation Disang formation.


69. Zawar Pb-Zn deposit of Rajasthan is formed by which of the following process

Hydrothermal cavity filling process Hydrothermal replacement process


Magmatic reggregation process Hydrothermal sublimination process.


70. Which of the following mineral assemblages is associated with GOSSANS

Goethite limonite hematite Chlorite epidote zoisite


Pyrite pyrrhotite chalcopyrite Cuprite corellite bornite


71. Which is the host rock in the Bombay high oil field

Sandstone Shale


Conglomerate Limestone


72. Large number of Uranium deposits in the world are associated with which of the following rocks

Archaeaus Precambrians


Permo-carboniferous Cretaceous-tertiary


73. Skarn deposits are formed by which of the following process

Metasomatism Contact metamorphism


Pyrometasomatism Hydrothermal injection


74. Saddle reefs are formed by which of the following process

Epigenetic cavity filling process Syngenetic replacement process


Secondary sulphide enrichment Volcanogenic exhalative process


75. Iron-ore orogeny in India is associated with which of the following

Archaeaus Precambrians


Palaeozoics Cenozoics


76. Which one of the following sequence is correctly associated with progressive coalification

Peat . Lignite . Bituminous coal .Anthracite


Anthracite . Bituminous coal . Lignite . Peat


Bituminous coal .Anthracite . Peat . Lignite


Lignite . Peat .Bituminous coal .Anthracite


77. Cassiterite deposit in India is located in

Ambaji Vajrakraroor


Malanjkhand Jagdalpur


78. Molybdenite is associated with which of the following mineral deposits

Hydrothermal deposits Porphyry deposits


Late magmatic deposits Early magmatic deposits


79. Structureless bands which appear like a black glass present in the coal seams is called

Clarain Durain


Fusain Vitrain


80. Scheelite is the mineral which contains

Mo Zr
81. Largest accumulation of tholeiitic rocks in India is known by which of the following name

Rajamahal Traps Sylhet Traps


Bhavali Traps Deccan Traps


82. Which of the following rock is identified by virtue of ophitic texture

Diorite Dolerite


Dacite Dunite


83. Allotriomorphic texture is characteristic feature of which of the following rocks

Aplite Allanite


Andesite Adamatite


84. Which of the following composition that defines peralkaline rocks

AlO/(KO NaO 1 AlO/(KO NaO 1


AlO/(KO NaO) 1 AlO/(KO NaO) 1


2322 2322
2322 2322
85. Ptygmatic folding is due to which of the following processes

Pneumetolysis Optalic metamorphism


Pyrometamorphism Palingenesis


86. Presence of touranaline in granite is indicative of which of the following processes

Sulphur metasomatism Fluorine metasomatism


Boran metasomatism Water vapour metasomatism


87. Lherzolite is a variety of which of the following groups of rocks

Basic igneous rock Ultrabasic igneous rock


Mafic igneous rock Ultramafic igneous rock


88. Nosean is commonly associated with which of the following rocks

Basalts Granites


Lamprophyre Syenite


89. The rock kimberlite can be classified as

Basic igneous rocks Acid igneous rocks


Intermediate igneous rocks Ultrabasic igneous rocks


90. Lithium mica is commonly associated with which of the following rocks

Lemprophyre Kerotophyre


Granophyre Lucitophyre


91. Which of the following rock is associated with rift magmatism

Syenite Andesite


Dacite Rhyolite


92. When oceanic lithosphere descends beneath overlying lithosphere then which of the following magmatism occurs

Within plate magmatism occurs Continental arc magmatism occurs


Island arc magmatism occurs Bac-arc magmatism occurs


93. The low viscosity lavas that produces thick, glassy sheets, tongues and lobes overlapping one another is called

Lava tubes Aa and blocky lavas


Aa and pahoehoe lavas Pillow lavas


94. Vermicular intergrowth of quartz and sodic plagioclase is called

Perthite Myrmekite


Intersertal growth Reaction rim


95. Stratovolcano is built of which of the following

Rhyolitic magma Andesitic magma


Phonolitic magma Basaltic magma


96. Gabbro is a plutonic equivalent of which of the following

Basalt Norite


Diabase Dolerite


97. Stylolites are what type of structures

Organic structures Solution structures


Composite structures Accretionary structures


98. Current bedding is indicative of which of the following environment

Lake environment River environment


Deep water marine environment Shallow water marine environment


99. In a folded sequence, when crest and trough are filled up by igneous material and exhibit doubly-convex lens-like form. Such structures are called

Lacoliths Lapoliths


Chonoliths Phacoliths


100. Which of the following law states that the "settling velocity of a particle is proportional to the square of the particle diameter (where, density of particle, acceleration due to gravity and fluid velocity remain constant)"

Stoke's law Krumbein's law


Bragg's law Pettijohn's law


101. The sedimentary structures observed on bottom of the bedding surfaces are

Lamination Shrinkage cracks


Bioturbation Flute marks


102. Which of the following sedimentary rocks were deposited under marine environment

Karewas Vindhyans


Shivaliks Gondwanas


EIJ-49859-A 12
103. Which of the following siliciclastic end members demonstrate increased diagenetic potential

Feldspar Rock fragments


Micaceous minerals Quartz


104. Compaction and cementation are associated with which of the following processes
Lithification Burrial
Metamorphism Diagenesis
105. Stromatolytes are what type of structures
Organic structures Solution structures
Composite structures Accretionary structures
106. Oolites and pisolites are distinguished by
Shape Size
Composition Sphericity

107. Presence of glauconite in the sedimentary rock is indicative of which of the following environment

Continental weathering and fresh water deposition


Marine water deposition


Sedimentation in lake environment is keeping pace with the subsidence of the basic floor


Glacial environment


108. Apatite and zircon are indicative of which of the following provinance

Basaltic Granitic


Carbonate Arkosic


109. Gallium is associated with which of the following sedimentary rocks

Shale Sandstone


Limestone Coal


110. Limestone and dolomite can be distinguished by which of the following

Alumina content Lime content


Magnesia content Soda content


111. Jagganathpur lavas are of which age

Precambrian Palaeozoic


Cenozoic Tertiary


112. When original minerals and textures are preserved after recrystallization, then the texture is called

Xenoblastic texture Meculose texture


Blastopsamatic texture Palimpsest


113. Concept of metamorphic facies was developed by

Eskola Miyashiro


Turmer Masson


114. Plagioclase Hypersthene diopside biotite mineral assemblage represents

Amphibolite facies Green schist facies


Epidote facies Pyroxene-Hornsfel facies


115. Which of the following metamorphic rocks consists of anhydrous assemblage of plagioclase pyroxene ± quartz ± garnet ± sillimanite ± cordierite

Granulite Eclogite


Charnockite Amphibolite


116. A characteristic pyroxene found in the eclogite is

Omphacite Diopside


Pigeonite Jadeite


117. Choose the correct sequence which indicates increasing order of metamorphic grade

Slate . shale . gneiss . schist Schist . gneiss . shale . slate


Gneiss . shale . slate . schist Shale . slate . schist . gneiss


118. A distinctive sequence of magmatic, sedimentary and metamorphic rocks formed in an oceanic environment and made up of oceanic crust and mantle is called

Alpine peridotite Adakite


Quartz normative tholerite Ophiolite


119. Regionally, thermally metamorphic rocks containing Mn-ore in Central India is represented by
Sakolis Mahakaoshals
Chilpis Saussars
120. Deccan volcanism in India occurred at
Permo-Carboniferous boundary Cambrian-Precambrian boundary
Triassic-Jurassic boundary Cretaceous-Tertiarry boundary

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