CUSAT CAT 2018 Question Paper Geology

Subject Code : 609 Section Code : -Select- Difficulty: 1

Subject Answer
Q Id Questions
Code Key

Topaz is a mineral characteristic of

(A) Per-Aluminous Rocks

609 1351 (B) Meta-Aluminous Rocks (A)

(C) Sub-Aluminous Rocks

(D) Per-Alkaline Rocks

Deep focus earthquakes are usually associated with

(A) Mid Oceanic Ridge

609 1352 (B) Benioff Zones (B)

(C) Transform faults

(D) Continent-Continent boundary

Emery is a product of alteration of

(A) Emerald

609 1353 (B) Epidote (C)

(C) Bauxite

(D) Barite

The Planispirally coiled gastropod is

(A) Turritella

609 1354 (B) Turrilites (D)

(C) Belemnites

(D) Bellerophon

Which mineral group has the Si: O is 4:11?

(A) Amphibole

609 1355 (B) Olivine (A)

(C) Pyroxene

(D) Mica

The angle subtended between fault plane and verticality is designated as

(A) Plunge

609 1356 (B) Hade (B)

(C) Heave

(D) Throw

609 1357 Fuel ratio of coal is the ratio between (A)

(A) Fixed carbon and Volatile content

(B) Combustion heat and Carbon content

(C) Water content and ash content

(D) Fixed Volatile and Carbon Content

Drop Stone is characteristic of

(A) Karst Topography

609 1358 (B) Riverine Environment (C)

(C) Glaciated Regions

(D) Desert Environment

Basalt extruded in an aqueous environment is called

(A) Spilite

609 1359 (B) Tholeiite (A)

(C) Basanite

(D) Komatiite

The law explaining the distance between Sun and the Planets of the Solar System

(A) Bode’s Law

609 1360 (B) Kepler’s Law (A)

(C) Galileo’s Law

(D) Cosmic Law

The unconformity existing between Amphibolite of Archaean Age and sandstone of Cretaceous age is
called

(A) A-Conformity
609 1361 (C)
(B) Eparchaean Unconformity

(C) Disconformity

(D) C-PG Boundary

Pick out the Oldest Shale from the following

(A) Sirbu Shale

609 1362 (B) Jhiri Shale (C)

(C) Binota Shale

(D) BijaigarhShale

The line joining points of equal rainfall on a map is called

(A) Isohyets

609 1363 (B) Isopach (A)

(C) Isograd

(D) Isotherm

Percussion Figure is characteristic of

(A) Bornite

609 1364 (B) Bauxite (C)

(C) Biotite

(D) Bytownite

609 1365 Spinifex texture indicates (B)

(A) High Magnesium Content of the rock

(B) Sudden Quenching of Magma

(C) High Water content of Magma

(D) Crustal origin of the rock

Which of the following mineral pairs is optically uniaxial?

(A) Beryl and Sheelite

609 1366 (B) Chalcopyrite and Pyrite (A)

(C) Quartz and Olivine

(D) Meonite and Axinite

Isostasy refers to

(A) Gravitational Equilibrium

609 1367 (B) Magnetic Equilibrium (A)

(C) Thermal Equilibrium

(D) Seismic Equlibrium

If both limbs in a fold get overturned in opposite directions, the resulting fold is

(A) Recumbent Fold

609 1368 (B) Reclined Fold (D)

(C) Chevron Fold

(D) Fan Fold

Coesite is characteristic mineral of

(A) Chlorite Facies

609 1369 (B) Amphibolite Facies (D)

(C) ZeoliteFacies

(D) Eclogite Facies

Schizodont type of Dentition is specific of

(A) Arca

609 1370 (B) Trigon Arca (C)

(C) Trigonia

(D) Spondylus

The Neogene period includes

(A) Paleocene and Eocene

609 1371 (B) Paleocene, Eocene and Oligocene (D)

(C) Oligocene, Miocene and pliocene

(D) Miocene and Pliocene

609 1372 Seasonal Variations in sediments can be understood using (D)

(A) Tillite

(B) Ripple marks

(C) Montmoriollite clay

(D) Varved Clays

Tick the closed crystal form

(A) Pinacoid

609 1373 (B) Prism (C)

(C) Pyramid

(D) Pedian

Nitrate deposit of chemical origin is called

(A) Caliche

609 1374 (B) Guano (A)

(C) Travertine

(D) Terra Rossa

Transparent variety of Gypsum used to manufacture optical accessory is

(A) Satin Spar

609 1375 (B) Alabaster (C)

(C) Selenite

(D) Iceland Spar

The stratigraphic system known for its abundant Ammonites

(A) Permian

609 1376 (B) Triassic (B)

(C) Jurassic

(D) Cretaceous

Bivalved, equivalved and inequilateral is characteristic of

(A) Brachiopods

609 1377 (B) Gastropods (C)

(C) Pelecypods

(D) Cephalopods

The melting temperature of pure Fayalite is

(A) 1205 �C

609 1378 (B) 1118�C (A)

(C) 1553�C

(D) 1889�C

The volcanic equivalent of Monzonite is

(A) Phonolite

609 1379 (B) Latite (B)

(C) Tephrite

(D) Dacite

World’s largest Nickel Deposit is located in

(A) Ontario Province of Canada

609 1380 (B) Bushveld Complex of South Africa (A)

(C) Malaya Peninsula in South-East Asia

(D) Kiruna in Sweden

Peridot is a gem variety of

(A) Oligoclase

609 1381 (B) Opal (C)

(C) Olivine

(D) Orpiment

Linear Grooving developed on the faulted surface is called

(A) Partings

609 1382 (B) Slickensides (B)

(C) Mylonites

(D) Stylolite

The Swallow tail twinning is specific of

(A) Staurolite

609 1383 (B) Rutile (C)

(C) Gypsum

(D) Microcline

What is the Birefringence of a mineral with: α= 1.156, β= 1.234, γ=1.326?

(A) 0.078

609 1384 (B) 0.092 (C)

(C) 0.170

(D) 2.482

The power of capturing the electron by an element is called

(A) Valence

609 1385 (B) Oxidation Potential (D)

(C) Ionization Potential

(D) Electro Negativity

A band of extinction in an interference figure under the Microscope is

(A) Isochrome

609 1386 (B) Isogyre (B)

(C) Isograd

(D) Isopach

609 1387 Pick out the Cyclosilicate (D)

(A) Stilbite

(B) Talc

(C) Muscovite

(D) Tourmaline

Mappable assemblages of strata are called

(A) Time units

609 1388 (B) Time-rock units (C)

(C) Rock units

(D) None of the above

The discontinuity found between Upper Mantle and Lower mantle is called

(A) Guttenberg discontinuity

609 1389 (B) Lehmann discontinuity (C)

(C) Repetti discontinuity

(D) Conrad discontinuity

The line of maximum depth of water in a River is called

(A) Thalweg

609 1390 (B) Base level of erosion (A)

(C) Water Table

(D) Levees

The flat topped mountain formed by river erosion

(A) Plateau

609 1391 (B) Mesa (B)

(C) Escarpment

(D) Cuesta

In Mhos’ Scale of hardness, which mineral has orthorhombic symmetry?

(A) Talc

609 1392 (B) Fluorite (C)

(C) Topaz

(D) Corundum

The planet without any Natural Moon is

(A) Venus

609 1393 (B) Saturn (A)

(C) Uranus

(D) Neptune

609 1394 The mineral which has a set of cleavage angles 87�^93� is (C)

(A) Albite

(B) Alabite

(C) Augite

(D) Agate

The specific gravity of petroleum is close to

(A) 0.07

609 1395 (B) 0.7 (B)

(C) 1.7

(D) 10.7

The sulphide mineral associated with Lignite Deposits

(A) Pyrite

609 1396 (B) Arsenopyrite (C)

(C) Marcasite

(D) Chalcopyrite

The hydrothermal deposit with lowest temperature of formation is

(A) Epithermal

609 1397 (B) Mesothermal (D)

(C) Hypothermal

(D) Telethermal

The slow mass movement involving water-saturated soil that takes place in Polar region is

(A) Avalanche

609 1398 (B) Solifluction (B)

(C) Creep

(D) Landslide

Instrument used to measure the Hardness of minerals is

(A) Pyrometer

609 1399 (B) Pedometer (C)

(C) Sclerometer

(D) Goniometer

The crystal system having a class of 222 is found in

(A) Isometric

609 1400 (B) Orthorhombic (B)

(C) Monoclinic

(D) Tetragonal

Raniganj collieries belong to

(A) Talchir series

609 1401 (B) Damuda series (B)

(C) Panchet series

(D) Mahadeva series

609 1402 A gastropod with sinistral coiling is (D)

(A) Murex

(B) Natica

(C) Turritella

(D) Physa

Elements that are having geochemical affinity towards sulphur called

(A) Siderophile

609 1403 (B) Chalcophile (B)

(C) Lithophile

(D) Atmophile

Atomic bonding exhibited by the hardest mineral in Mohs’ scale is

(A) Metallic

609 1404 (B) Covalent (B)

(C) Ionic

(D) Hydrogen Bonding

Which of the following mineral is devoid of Lithium?

(A) Spodumene

609 1405 (B) Lepidolite (D)

(C) Amblygonite

(D) Vermiculite

The isolated block of the Nappe overlying autochthonous material is called

(A) Fenester

609 1406 (B) Klippe (B)

(C) Outlier

(D) Inlier

The summation of Specific Yield and Specific Retention is

(A) Permeability

609 1407 (B) Porosity (B)

(C) Transmissivity

(D) Specific Gravity

Hypersthene bearing gabbroic rock is called

(A) Charnockite

609 1408 (B) Meta Gabbro (C)

(C) Norite

(D) Dolerite

609 1409 A sulphide ore mineral that can melt even in match-stick temperature is (D)

(A) Molybdenite

(B) Galena

(C) Cinnabar

(D) Stibnite

The river tracing the present slope of a ground is called

(A) Consequent

609 1410 (B) Resequent (A)

(C) Subsequent

(D) Obsequent

The Survey of India’s topo-sheet with a scale 1: 25,000 cover a ground area of

(A) 729 Sq.Km

609 1411 (B) 11,664 Sq.Km (C)

(C) 182.25 Sq.Km

(D) 27 Sq.Km

The sand ridge connecting Mainland with Island

(A) Tombolo

609 1412 (B) Spit (A)

(C) Groins

(D) Atoll

The intergrowth texture formed between quartz and plagioclase is

(A) Rapakivi

609 1413 (B) Orbicular (C)

(C) Myrmekitic

(D) Perthitic

Feldspathic sandstone is called

(A) Graywake

609 1414 (B) Grit (C)

(C) Arkose

(D) Siltstone

The egg laying type of Mammals living at present is called

(A) Monotremes

609 1415 (B) Marsupials (A)

(C) Placentals

(D) Synapsids

The forms in which faces of right and left developments having similar relation to the body axis but are
not interchangeable

(A) Holohedral
609 1416 (D)
(B) Hemihedral

(C) Hemimorphic

(D) )Enantiomorphic

609 1417 Pick out the correct Miller Indices for a crystal form with parameters 1a:2b: �c (A)

(A) (214)

(B) (421)

(C) (412)

(D) (124)

The part of crystal form where three adjacent faces meet is called

(A) Extinction angle

609 1418 (B) Re-entrant angle (C)

(C) Solid angle

(D) Interfacial angle

Hexagonal system has .............. number of crystal classes

(A) Three

609 1419 (B) Five (D)

(C) Seven

(D) Twelve

Which of the given mineral is a product of reaction between siliceous magmatic fluid and Limestone?

(A) Anorthite

609 1420 (B) Wollastonite (B)

(C) Calcite

(D) Dolomite

The mantle rock found in subduction zone is

(A) Eclogite

609 1421 (B) Picrite (A)

(C) Komatiite

(D) Thoeliite

The fossilized animal excreta

(A) Coprolite

609 1422 (B) Guano (A)

(C) Chondrite

(D) Coccolith

Age of the Warkalli Beds

(A) Phanerozoic

609 1423 (B) Mesozoic (C)

(C) Cenozoic

(D) Proterozoic

609 1424 Which of the following oil fields is not located in Assam? (C)

(A) Digboi

(B) Naharkatiya

(C) Ankleshwar

(D) Moran

Which of the following is foid-bearing syenite?

(A) Shonkinite

609 1425 (B) Shoshonite (C)

(C) Pulaskite

(D) Nordmarkite

A volcanic vent filled with breccia by the explosive gases is called

(A) Diatreme

609 1426 (B) Diatom (A)

(C) Diastem

(D) Diabase

Which of the following is not a verity of Quartz?

(A) Sard

609 1427 (B) Onyx (D)

(C) Carnelian

(D) Bort

The Gibb’s Phase Rule is

(A) P+C=F+2

609 1428 (B) P+C+F=2 (D)

(C) P=C+F+2

(D) P+F=C+2

Which of the following is not a concordant intrusive igneous form?

(A) Laccolith

609 1429 (B) Lopolith (D)

(C) Phacolith

(D) Batholith

The EM spectrum with a range of 0.4 to 0.7 � m is called

(A) Radio Wave

609 1430 (B) Micro Wave (C)

(C) Visible Spectrum

(D) X-Ray

The pyroclastic emanation with Twisted Tail is called

(A) Bomb

609 1431 (B) Lapilli (A)

(C) Cinder

(D) Ash

609 1432 The magnesium carbonatite is called (D)

(A) Sovite

(B) Alvikite

(C) Albitite

(D) Beforsite

The joint characteristically developed in Basaltic domain is

(A) Mural Joint

609 1433 (B) Columnar Joint (B)

(C) Sheet Joint

(D) Rift and Grains

Brewster’s Law states the phenomenon of plane polarization by

(A) Refraction

609 1434 (B) Rotation (D)

(C) Absorption

(D) Reflection

The rocks belonging to Gondwanas are of

(A) Fluviatile origin

609 1435 (B) Lacustrine origin (A)

(C) Marine origin

(D) Glacial origin

Diamonds impregnated sporadically in Kimberlites represent

(A) Early Magmatic Segregation

609 1436 (B) Early Magmatic Injection (C)

(C) Early Magmatic Dissemination

(D) Early magmatic Assimilation

Optically Calcite is

(A) Uniaxial Positive

609 1437 (B) Uniaxial Negative (B)

(C) Biaxial Positive

(D) Biaxial Negative

Osmium Sanctum is an indicator plant for

(A) Copper

609 1438 (B) Chromium (A)

(C) Cobalt

(D) Gold

609 1439 In a biaxial mineral if acute bisectrix is superposed by slow vibration, it is optically (B)

(A) Isotropic

(B) Positive

(C) Negative

(D) Opaque

Which of following shows first order red interference colour?

(A) Quartz Wedge

609 1440 (B) Gypsum Plate (B)

(C) Bereck Compensator

(D) Bertrand Lens

Which of the following represents the record of earliest life on Earth?

(A) Azola

609 1441 (B) Trilobites (C)

(C) Stromatolites

(D) Brachiopod

The Mussorie group consists of

(A) The Subathu-Dagshai-Kasauli succession

609 1442 (B) The Ranikot-Laki-Kirthar succession (C)

(C) The Blaini-Krol-Tal succession

(D) The Madh-Berwali-Lakhpat succession

Vermilion Red Streak is characteristic of

(A) Realgar

609 1443 (B) Orpiment (C)

(C) Cinnabar

(D) Hematite

Saddle Reef structure produced by cavity filling is characteristic of

(A) Nickel Deposits of Sudbury

609 1444 (B) Chromite Deposits of Bushveld Complex (D)

(C) Magnetite Deposits of Kiruna

(D) Gold Deposits of Bendigo

The first silicate to be formed from Magma is

(A) Forsterite

609 1445 (B) Fayalite (A)

(C) Augite

(D) Hornblende

609 1446 Under crossed nicols the mineral sillimanite shows (A)

(A) Straight Extinction

(B) Wavy Extinction

(C) Oblique Extinction

(D) Isotropism

If Carbon Di-Oxide infuses into Mg rich Dunites, the mineral produced is

(A) Manganite

609 1447 (B) Magnetite (C)

(C) Magnesite

(D) Serpentine

The unconsolidated sediments deposited at the foot-hill is named

(A) Alluvium

609 1448 (B) Colluvium (B)

(C) Pediment

(D) Eluvium

The Ophitic texture consists of

(A) Laths of augite enclosed in the crystals of plagioclase

609 1449 (B) Laths of plagioclase enclosed in the crystals of augite (B)

(C) Laths of orthoclase enclosed in the crystals of plagioclage

(D) An intergrowth between plagioclase and orthoclage

Which of the following Iron-ores has maximum Fe content?

(A) Hematite

609 1450 (B) Magnetite (B)

(C) Siderite

(D) Limonite

The study of age of Trees by counting their rings is called

(A) Palynology

609 1451 (B) Geochronology (D)

(C) Limnology

(D) Dendrochronology

The inaccessible earth’s interior is called

(A) Exosphere

609 1452 (B) Barysphere (B)

(C) Troposphere

(D) Ionosphere

What will be the distance between current electrodes in Wenner electrical method for probing a depth of
100 meters?

(A) 50 meters
609 1453 (D)
(B) 100 meters

(C) 200 meters

(D) 300 meters

609 1454 In which part of the atmosphere most form of cloud is found to occur (D)

(A) Stratosphere

(B) Ionosphere

(C) Thermosphere

(D) Troposphere

The depth of ocean can be measured using

(A) Echo-Sounder

609 1455 (B) Air Gun (A)

(C) Aqua Pulse

(D) Altimeter

Which of the following first appeared at 438 MY?

(A) Terrestrial Plants

609 1456 (B) Reptiles (A)

(C) Mammals

(D) Flowering Plants

Pick out the Ostracoda

(A) Textularia

609 1457 (B) Cytherella (B)

(C) Operculina

(D) Triloculina

Which of the following Isotope has the maximum period of Half-Life years?

(A) 238U

609 1458 (B) 235U (C)

(C) 232Th

(D) 40K

The absolute Gravity Value at the Pole of the Earth is

(A) Zero

609 1459 (B) 6.67�1018 (D)

(C) 978 Gals

(D) 983 Gals

The warm Ocean-water that moves westward from west coast of Peru is called

(A) La Nina

609 1460 (B) El Nino (B)

(C) Albedo

(D) Isentropic Flow

609 1461 Process of excessive Plant Growth in water due to increase in chemical nutrients (C)

(A) Elutriation

(B) Eutectism

(C) Eutrophication

(D) Enumeration

What is the percentage of water on the Earth’s surface held by lakes?

(A) 0.01%

609 1462 (B) 0.001% (A)

(C) 0.0001%

(D) 0.00004%

Which of the following is called “Dirty Snow Ball”?

(A) Comet

609 1463 (B) Asteroid (A)

(C) Meteorite

(D) Cosmic Dust

The region where evapotranspiration exceeds rainfall is called

(A) Desert

609 1464 (B) Rain Forest (A)

(C) Swamp

(D) Permafrost

In which tone would vegetation appear in an infrared

(A) Bright

609 1465 (B) Dark (A)

(C) Dull

(D) Faint

The pebble with oil-like coat found in Arid Climate is

(A) Ventifact

609 1466 (B) Sand Crystal (C)

(C) Desert Warnish

(D) Terra Rossa

At what temperature E-M radiation is continuously emitted from an object?

(A) 0�C

609 1467 (B) ‒100�C (D)

(C) ‒173�C

(D) ‒273�C

India’s first Remote Sensing Satellite IRS-1A was launched in

(A) 1972

609 1468 (B) 1980 (C)

(C) 1988

(D) 1994

609 1469 Evaporation of water from plants is called (B)

(A) Radiation

(B) Transpiration

(C) Evapotranspiration

(D) Respiration

The Himalayan Orogeny ceased during

(A) Palaeozoic

609 1470 (B) Phanerozoic (D)

(C) Mesozoic

(D) Cenozoic

Flat-topped seamount is called

(A) Fjord

609 1471 (B) Mesa (D)

(C) Butte

(D) Guyot

The environment between the highest and the lowest levels of spring tides is described as

(A) Littoral environment

609 1472 (B) Neritic environment (A)

(C) Continental shelf

(D) Bathyal environment

‘C’ band in Microwave part of electromagnetic Spectrumhas a Wavelength range of

(A) 3.75 to 7.5 �m

609 1473 (B) 3.75 to 7.5 mm (C)

(C) 3.75 to 7.5 cm

(D) 3.75 to 7.5 m

Widely employed geophysical method for Oil exploration is

(A) Seismic Reflection

609 1474 (B) Seismic Refraction (A)

(C) Gravity

(D) E-M Survey

Which of the following cloud is designated as Vertical Cloud?

(A) Cirrocumulus

609 1475 (B) Altocumulus (D)

(C) Stratocumulus

(D) Pyrocumulus

609 1476 Pick out the oldest species in the History of Man (B)

(A) Australopithecus africanus

(B) Ardipithicus ramidus

(C) Homo sapiens

(D) Homo erectus

Torsion Balance is a device employed in

(A) Magnetic Prospecting

609 1477 (B) Seismic Exploration (C)

(C) Gravity Survey

(D) Aerial Photography

Which of the following Greenstone Belts belong to Asia?

(A) Abitibi Belt

609 1478 (B) Jack HillsBelt (C)

(C) Taishan Belt

(D) Barberton Belt

Turbidites are characteristically formed at

(A) Riverine Environment

609 1479 (B) Volcanic Domain (D)

(C) Glaciated Regions

(D) Ocean Ambience

Which of the following element’s radioactivity is used for Fission-Track dating?

(A) Strontium

609 1480 (B) Neodymium (C)

(C) Uranium

(D) Thorium

Which of the following Litho-stratigraphic Unit is in the top of Hierarchy?

(A) Member

609 1481 (B) Group (B)

(C) Formation

(D) Bed

Pick out the rock which is widely occurring in Kerala

(A) Gondite

609 1482 (B) Kodurite (C)

(C) Khondalite

(D) Chondrite

The measure of internal resistance of a liquid body to flow is called

(A) Permeability

609 1483 (B) photonic Conduction (D)

(C) Phonic conduction

(D) Viscosity

609 1484 Physical resistance of a Mineral to abrasion is called its (B)

(A) Tenacity

(B) Hardness

(C) Micro-Hardness

(D) Cleavage

Silica polymorphs do not crystallize in which of the following systems?

(A) Isometric

609 1485 (B) Monoclinic (C)

(C) Triclinic

(D) Tetragonal

Polje is a featureof landform developed in which Topography?

(A) Arid

609 1486 (B) Fluvial (C)

(C) Karst

(D) Glacial

Which of the following Seismic Waves travel only through Solids?

(A) S-Waves

609 1487 (B) P- Waves (A)

(C) L-Waves

(D) R-Waves

Among the properties listed, which one is incorrect for Fluorite

(A) Handness-4

609 1488 (B) Octahedral Cleavages (C)

(C) Twinkling

(D) Twinning

Pick out the gem variety of Tourmaline

(A) Albite

609 1489 (B) Alvikite (C)

(C) Alabite

(D) Adinole

Tick the Dichroic mineral

(A) Hypersthene

609 1490 (B) Biotite (C)

(C) Tourmaline

(D) Garnet

609 1491 Which of the following mineral has regularly oriented inclusions? (A)

(A) Leucite

(B) Forsterite

(C) Halite

(D) Cordierite

The rock that has no association with Diamond

(A) Conglomerate

609 1492 (B) Lamproite (C)

(C) Komatiite

(D) Kimberlite

Mineral that possesses incongruent melting habit

(A) Emerald

609 1493 (B) Epidote (C)

(C) Enstatite

(D) Epsomite

Which of the following is free of Calcic- Plagioclase?

(A) Enderbite

609 1494 (B) Anorthosite (D)

(C) Larvikite

(D) Adamellite

Ice forms more easily in

(A) High salinity and Deep water

609 1495 (B) High salinity and Shallow water (D)

(C) Low salinity and Deep water

(D) Low salinity and Shallow water

The density of upper mantle is

(A) 2.7 g/cm3

609 1496 (B) 3.0 g/cm3 (C)

(C) 3.4 g/cm3

(D) 4.4 g/cm3

The silicon percentage by weight on the earth’s crust is

(A) 27.72 %

609 1497 (B) 46.6 % (A)

(C) 6.14 %

(D) 8.14 %

The thickness ofstandard thin section used in petrological microscope is

(A) 0.03 cm

609 1498 (B) 0.03 mm (B)

(C) 0.003 mm

(D) 0.003�m

609 1499 The ratio of total weight of Atmosphere to total weight of Hydrosphere of earth is (C)

(A) 1 : 3

(B) 1 : 30

(C) 1 : 300

(D) 1 : 3000

In India, Ruby mica occurs in

(A) Bihar

609 1500 (B) Andhra Pradesh (A)

(C) Rajasthan

(D) Tamil Nadu