Name of the University : Indian Institute of Science Bangalore
Exam : GATE Exam
Document Type : Model Question Paper
Name of the Subject : Geology
Website : iisc.ernet.in
Download Sample Question Paper : https://www.pdfquestion.in/uploads/7674.-GGGATE2015.pdf
Geology Model Paper :
Q.1 The shape of the earth is best described as
(A) spheroid (B) prolate ellipsoid
(C) ellipsoid (D) oblate spheroid
Related : Indian Institute of Science Bangalore Physics GATE Exam Question Paper Model : www.pdfquestion.in/7672.html
Q.2 Which one amongst the following is the CORRECT attitude of a bed?
(A) 221°, 95° (B) N45°W, 40°SE (C) 090°/ 20°W (D) 089°, 75°S
Q.3 Hawaiian Island chain is the result of
(A) collision of two oceanic plates
(B) intraplate hot spot activity
(C) divergence of two oceanic plates
(D) interplate hot spot activity
Q.4 In which one of the following configurations the electrodes are uniformly spaced?
(A) Schlumberger array
(B) Pole-dipole array
(C) Wenner array
(D) Pole-pole array
Q.5 In Triclinic crystal system, the three crystallographic axes a, b, c are of
(A) equal lengths with angle between b and c as 90º
(B) equal lengths with angle between a and c ?90º
(C) unequal lengths with angle between a and c ?90º
(D) unequal lengths with angle between b and c as 90°
Q.6 A landform that results from free fall of rocks is called
(A) talus slope (B) eskers (C) alluvial fan (D) debris flow
Q.7 Which one of the following figures correctly depicts the geomagnetic declination (D) and inclination (I) angles ? (X: Geographic North; Y: Geographic East; Z: Vertical direction; H:Geomagnetic North; F: Total Field direction)
Q.8 Which one of the following logging methods is NOT used to determine porosity?
(A) Sonic (B) SP (C) Neutron (D) Gamma-gamma
Q.9 PcP and ScS phases are reflected from
(A) crust – mantle boundary
(B) core – mantle boundary
(C) inner core – outer core boundary
(D) lithosphere – asthenosphere boundary
Q.10 Identify the CORRECT sequence of the electromagnetic waves in their increasing frequency
(A) radio wave, micro-wave, infrared, visible, ultra violet, X-ray
(B) radio wave, infrared, micro-wave, visible, ultra violet, X-ray
(C) micro-wave, radio wave, infrared, visible, X-ray, ultra violet
(D) infrared, visible, micro-wave, radio wave, X-ray, ultra violet
Q.11 Considering the Airy isostatic compensation for a mountain having elevation of 2.0 km above the mean sea level at a point P, the thickness of its root below P would be _________km. (consider densities of crustal rocks and upper mantle as 2.7 gcm-3 and 3.3 gcm-3 respectively).
Q.12 The reflection coefficient at the interface separating sandstone (Vp = 2000 ms-1; ? = 1.5 gcm-3) underlain by shale (Vp = 2500 ms-1; ? = 2.0 gcm-3) is __________.
Q.13 Gardner’s formula relates the seismic P-wave velocity (VP) to
(A) density (B) porosity (C) permeability (D) lithology
Q.14 Which one of the following sedimentary basins is related to extension?
(A) foredeep (B) half-graben
(C) piggyback (D) fore-arc
Q.15 In a seismic section, paraconformity is marked by
(A) onlap (B) downlap
(C) erosional truncation (D) concordance
Q.16 Match the names listed in Group I with its attributes listed in Group II.
Group 1 Group II
P. Carlsberg Ridge 1. Aseismic
Q. Ninetyeast Ridge 2. Subduction
R. Pranhita-Godavari basin 3. Spreading
S. Makran Coast 4. Transform
5. Rift
Q.17 In India, bituminous coal occurs at
(A) Panandhro (B) Palana (C) Neyveli (D) Jharia
Q.18 On the Earth, all conditions being same, the time period of a simple pendulum will be maximum at the
(A) Poles (B) Tropic of Cancer
(C) Tropic of Capricorn (D) Equator
Q.19 The two most abundant elements in the Earth are
(A) oxygen and iron (B) iron and magnesium
(C) oxygen and silicon (D) iron and silicon
Q.20 The pair of curves that depicts the radioactive decay and growth of a parent-daughter pair in the following figure is (N – Number of nuclides, Time in multiples of half-life).
(A) P, Q (B) P, R
(C) P, S (D) S, Q
Q.21 A drainage basin with an area of 2.0 x 106 m2 receives continuous rainfall for 48 hours at a uniform rate of 3 mmh-1. The volume of precipitation is ____________ m3 of water.
Q.22 The main source of error in computing the orientation of planar features from drill cores is
(A) rotation of the core during extraction
(B) cylindrical shape of the core
(C) non-vertical orientation of the drill axis
(D) staining during drilling operations
Q.23 Which combination of sorting and roundness of sand grains results in highest permeability?
(A) well sorted, poorly rounded
(B) well sorted, well rounded
(C) poorly sorted, poorly rounded
(D) poorly sorted, well rounded
Q.24 Amongst the different gases in the atmosphere, which one of the following pairs DOES NOT contribute to heating of the atmosphere?
(A) CO2, H2O (B) N2, O2 (C) H2O, CH4 (D) H2O, O3
Q.25 The data of which one of the following active electromagnetic techniques can be used to correct static shift effect in magnetotelluric apparent resistivity data?
(A) Slingram (B) Turam (C) VLF (D) TEM