Question Bank
GSET Earth Science (Paper-II) Exam - English
Duration: 120 Β· Questions: 100 Β· Max Marks: 200 Β· Language: 3
Earth Science
1
A and B move clockwise around a circle. starting from a common point O. A takes 9 minutes to complete a round but re-starts after a delay of 1 minute. B takes 13 minutes to complete the round but restarts after a delay of 2 minutes. How many minutes after they began would they meet again at O ?
2
Fourteen of the students in a class are girls. Eight students in the class wear blue shirts. Two are neither girls nor wear blue shirts. Five students who wear blue shirts are girls. How many students are there in the class ?
3
A stick of length L is broken into two pieces at random. What is the average length of the smaller piece ?
4
A long-distance runner finds a water station after completing
of the total distance After covering another
of the total distance he gets medical-aid. Another runner joins him 4 km after the medical-aid station. The second runner stops 4 km before the completion of run, covering
of the total distance. What is the total distance ?
of the total distance After covering another
of the total distance he gets medical-aid. Another runner joins him 4 km after the medical-aid station. The second runner stops 4 km before the completion of run, covering
of the total distance. What is the total distance ?5
Movement of a car with respect to time is given below :

Γ’β¬βΉThe average speed of the car is :

Γ’β¬βΉThe average speed of the car is :
6
A fuel station sold diesel costing Rs.15000 to 150 persons on a day. If the lower limit of sale to a person is Rs.50, what is the maximum amount in rupees for which one person could have purchased diesel on that day ?
7
The area of the triangle formed by joining the points (2017, 2017), (2027, 2027) and (2037, 2017) is
8
If Sangeeta’s daughter is my daughter’s mother, then how am I related to Sangeeta ?
9
Four males M1, M2, M3, M4 and four females F1, F2, F3 and F4 are sitting around a round table facing away from the table as shown in the figure below. If each one moves three positions to his/her right and then one position to the left, then in which direction does F4 face ?


10
Prof. Murthy likes to let her students choose who their partners will be; however, no pair of students may work together for more than seven class periods in a row. Alice and Bob have worked together for seven class periods in a row. Calvin and Denny have worked together for three class periods in a row. Calvin does not want to work with Alice. Who should be assigned o work with Bob ?
11
In a group of 44 players, 26 play hockey, 24 play football and 24 play cricket. Eight of them play both hockey and football, 12 play both football and cricket, and 5 play all the three games. How many play both hockey and cricket ?
12
It is given that
Γ’β¬βΉ for any real number a Suppose for two real number x and y, (xy)* = (x)* (y)*. Then which of the following is necessarily true ?
Γ’β¬βΉ for any real number a Suppose for two real number x and y, (xy)* = (x)* (y)*. Then which of the following is necessarily true ?13
Number of times a research paper is viewed and cited is shown in the pict. In which month was the percentage increase in citation more than the double of the percentage increase in view ?


14
Which of the following options is the best choice for the missing number ?
0.1, 0.25, 0.3, 0.2, 0.5, 0.6, 0.3, ...., 0.9, 0.4, 1.0, 1.2
0.1, 0.25, 0.3, 0.2, 0.5, 0.6, 0.3, ...., 0.9, 0.4, 1.0, 1.2
15
Consider a number 54 expressed in a base different from ten. What is the base of this number system if its equivalent value in the decimal system is 49 ?
16
Which of the options is appropriate for the blank space ?


17
In the diagram, what is the ratio of the total shaded area (of the circle and semi-circle) to the total area of the square and the retangle ?


18
Students are solving the same problem independently. If the probability that the first one solves the problem is
and the probability that the second solves the problem is
, what is the probability that at least one of them solves the problem ?
and the probability that the second solves the problem is
, what is the probability that at least one of them solves the problem ?19
A ball is dropped from a height of 100 m. The ball after each bounce rises vertically by half its previous height (This means at the first bounce it rises by 50 m, by 25 m at the second bounce and so on). What is the vertical distance travelled by the ball between the first and the fifth bounce ?
20
Three semi-circles are drawn inside a big circle as shown in the figure. If the radius of the two identical smaller semi-circles is th of that of the big circle and the radius of the bigger semi-circle
Γ’β¬βΉ is twice that of the small semi-circle, what proportion of the big circle's area is shaded ?

Γ’β¬βΉ is twice that of the small semi-circle, what proportion of the big circle's area is shaded ?
21
Which one of the following isotope dating methods is based on the parent isotope abundances and not on the daughter isotope abundances ?
22
Which one of the following SiO2 polymorphs may form because of meteorite impact ?
23
Correctly, match the mineral group and corresponding minerals that are used for dating geological events
1. Phophate P. Galena
2. Silicate Q. Monazite
3. Oxide R. Zircon
4. Sulphide S. Baddeleyite
1. Phophate P. Galena
2. Silicate Q. Monazite
3. Oxide R. Zircon
4. Sulphide S. Baddeleyite
24
Correctly match the processes with the corresponding mineral concentrations :
Processes Mineral concentration
1. Residual enrichment P. Mn-oxide nodule
2. Chemical Q. Talc sedimentation
3. Metamorphic R. Chromite
4. Magmatic S. Bauxite
Processes Mineral concentration
1. Residual enrichment P. Mn-oxide nodule
2. Chemical Q. Talc sedimentation
3. Metamorphic R. Chromite
4. Magmatic S. Bauxite
25
Which one of the mineral sequences, arranged in the order of increasing hardness (in Mohs scale) is correct ?
26
For a given discharge, flow can be transmitted along a stream either as deep and slow moving .............. flow or as a shallow and rapid .... flow .
27
The first consequence of earliest differentiation of the Earth is the formation of the............... .
28
What is the third most abundant element (after H and He) in the solar system ?
29
Which of the following classes of meteorites is one of the most primitive objects of our solar system ?
30
Which of the following processes is not related to plate tectonics ?
31
During spheroidal weathering, a block of rock converts to a spheroid due to :
32
Mass wasting wherein a mass of rock or weathered debris moves downhill along a curved shear surface is defined as :
33
Progradation or seaward migration of the shoreline by deposition is best represented by :
34
Rock-floored terraces, preserving part of the former valley flat are called :
35
Which one of the following is not typicall associated with strike-slip faults ?
36
Which type(s) of chemical reactions occur(s) during the weathering of pyroxene ?
37
Multi-faceted cobbles and pebbles that show wind abrasion are called :
38
A red coloured and clayey soil horizon is termed as :
39
The wavelength/colour at which solar radiation peaks is :
40
Which of the following ecosystems has the greatest biomass ?
41
In a homogeneous isotropic medium with a free surface :
42
Mid Oceanic spreading ridges are characterized by :
43
Density contrast is the maximum across the :
44
Earth's reference spheroid :
45
Two planets A and B orbit around their Sun, B being four times farther away than A from their Sun. Then the length of the year on B, compared to that A, would be :
46
Intraplate earthquakes predominantly occur in the depth range
47
On the Earth's surface, the Earth's normal magnetic field :
48
Gravity values measured at four stations A, B, C and D (see in the figure) of different elevations ha, ha, he and ho are found to be equal . Then,


49
Electrically, sphalerite (ZnS) and cinnabar (HgS) are :
50
P and S waves, from an earthquake, incident on the core - mantle boundary are critically refracted :
51
Aviation hazards in North West India in the summer months are generally due to :
52
In which set of the following atmospheric layers, the temperature increases with altitude ?
53
Ozone depletion in the stratosphere causes :
54
During the December solstice,
55
Which one of the following has a positive correlation with the NINO, INDEX, which represents ENSOvariability ?
56
During a break-monsoon condition in summer, the monsoon trough moves :
57
A flow associated with a balance between Coriolis and centrifugal forces is known as :
58
For which of the following phenomena, the typical timescale does not exceed a few hours ?
59
In the natural atmosphere with supersaturation rarely more than 1%, the most common form of nucleation associated with change of vapour to liquid is :
60
Which one of the following is NOT a thermally driven direct circulation ?
61
Pick out the wrong statement: In the ocean :
62
The mid-depth oxygen minimum zones are associated with maxima/minima of the elements Mn, Cr, U and V. Which of the following is the correct association ?
63
The least abundant gas in the Earth's atmosphere is :
64
For water mass identification, which of the two parameters are essential ?
(a) in situ temperature
(b) in situ salinity
(c) potential temperature
(d) potential density
(a) in situ temperature
(b) in situ salinity
(c) potential temperature
(d) potential density
65
Which one of the following does not form a part of the oceanic conveyer belt circulation ?
66
Tidal amplitude increases from south to north along the west coast of India because of the increase in the :
67
Which two of the following processes most commonly occur when a surface gravity wave propagates into a shallow water region from deep water ?
(a) refraction
(b) reflection
(c) diffraction
(d) shoaling
(a) refraction
(b) reflection
(c) diffraction
(d) shoaling
68
Autotrophic phytoplankton are absent in the :
69
Which one of the functions performed by Smarine benthic polychaetes is ecologically advantageous ?
70
Which one of the essential elements is the most critical for the growth and production of diatoms in the Antarctic waters ?
71
Match the rocks/minerals with their Indian Occurrences .
Rock/Mineral Indian Occurrences
1. Komatiite P. Jhamarkotra
2. Eclogite Q. Khariar
3. Nepheline R. Nuggihalli Syenite
4. Phosphorite S. Ladakh
Rock/Mineral Indian Occurrences
1. Komatiite P. Jhamarkotra
2. Eclogite Q. Khariar
3. Nepheline R. Nuggihalli Syenite
4. Phosphorite S. Ladakh
72
Isotope ratios 143Nd / 144Nd and 87Sr / 86Sr are measured today in a rock that formed at 2Ga by melting of a depleted mantle source. Which of the following is most likely ?
73
If the thermodynamic equation,
relates the temperature–fluid composition relationship at constant pressure for a model devolatilization reaction, A = B + mH2O + nCO2, which of the following diagrams correctly depicts a decarbonation reaction :
relates the temperature–fluid composition relationship at constant pressure for a model devolatilization reaction, A = B + mH2O + nCO2, which of the following diagrams correctly depicts a decarbonation reaction :74
The diagram below shows 3 important sequence stratigraphic surfaces (1, 2, 3) in a sedimentary sequence, namely sequence boundary (SB), maximum flooding surface A(MFS) and transgressing surface (TS). Which one of the combinations below is correct ?


75
Which one of the following combinations of parameters best explains the presence of gas hydrates in the continental shelf ? (V, and Vs are velocities of seismic waves)
76
Match the following :
1. Sparitic Limestone P. Alginite
2. Arenite Q. Floating clast
3. Debrite R. Quartz overgrowth
4. Organic shale S. Isopachous cement
1. Sparitic Limestone P. Alginite
2. Arenite Q. Floating clast
3. Debrite R. Quartz overgrowth
4. Organic shale S. Isopachous cement
77
Concentration of La and Co, measured in olivine (Ol) phenocryst and ground mass (gm) of a picritic basalt, are :
Laol = 10 ppb; Lagm = 2 ppm
Cool = 4 ppm; Cogm = 2 ppm
Given the above information which of the following statements on the mineral-melt partitioning behaviour of La and Co is correct ? (Kd is partition coefficient) :
Laol = 10 ppb; Lagm = 2 ppm
Cool = 4 ppm; Cogm = 2 ppm
Given the above information which of the following statements on the mineral-melt partitioning behaviour of La and Co is correct ? (Kd is partition coefficient) :
78
The diagram below shows a schematic of a river system with its tributaries (I & II) and distributaries (III & IV). It also shows the amount of water carried by them in percentage of the total. If the concentrations of Ca in I and II are 40 ppm and 60 ppm, respectively then which of the following statements about the concentration of Ca is correct ? (Ca concentrations at A, B and C are, respectively, CaA, CaB and CaC) .


79
Abbreviations : L: Liquid; kspss : K-feldspar solid solution; Abss; Albite solid solution Based on the above phase diagram, which of the following sequences correctly describes solidus(s) and subsolidus(ss) phase evolution during equilibrium (case A) and fractional crystallization (case B) of a melt of composition X cooling below solidus :


80
What is the maximum order of X-ray diffraction possible from (121) plane of a crystal with d-spacing of 3.8 Å. Wavelength of the X-ray is 1.54 Å .
81
The point group of symmetry of a crystal having two horizontal 2-fold axes of symmetry that are bisected by two vertical mirror planes of orthogonal orientation is :
82
If a, b, g are refractive indices corresponding to X, Y and Z vibration directions in a biaxial mineral, choose the option with the highest order of interference colour in its principal section of ellipsoid. Assume the minerals have a uniform thickness .
83
Which one of the following substitution vectors in amphibole group of minerals best explains high pressure/low-temperature metamorphism ? Values under parenthesis refer to co-ordination number of cations .
84
Match the outcrop patterns of folds with corresponding types .


85
The outcrop pattern of a dipping bed (shaded) showing intersections with topographic contours (marked by dashed lines, and at altitudes x and 2x units above MSL) at P, Q, R and S is given in the diagram below. Assuming the horizontal distance between two strike lines at different altitudes, and in the direction of dip is 1.732x units, the dip amount and direction is calculated at
Γ’β¬βΉ
Γ’β¬βΉ86
The below diagram shows a schematic planar configuration of three tectonic plates P - I, P-2 and P-3 and two plate boundaries at a spreading ridge (MOR) and subduction zone. A - B - C is a 1000 km long hot spot track formed over a hotspot (HS) and for a period of 40 Myr. The ages of the volcanoes on the track would yield which one of the following relationships against their distances from the current location of the hotspot ?


87
Two box-car functions of equal height and unequal width are convolved. The output function has the shape of a :
88
The following are some tabulated values of x and y which obey the relation y = ax .

The optimum value of the proportionality constant is :

The optimum value of the proportionality constant is :
89
gA, gB, gC, and gD are the gravity values measured at four widely separated stations A, B, C and D along an E-W profile across an escarpment like topography as shown in the following figure. Then :


90
The gravity value measured over a 1.0 km thick elevated land mass is found to be smaller than the normal gravity value by 310 milligals. Which of the following statements is TRUE ?
91
If (Fmax, Fmin), (Vmax , Vmin) and (Hmax, Hmin ) are the maximum and minimum values of the Earth's normal magnetic field on the Earth's surface, and its vertical and horizontal components respectively, then :
92
Which one of the following combinations of dip and declination, respectively, can be possessed by the thermoremanent magnetism of a Cretaceous (~70 Ma) igneous rock located in central India ?
93
A planet of radius R has a thick fluid core of radius Rc and a negligibly thin crust. P and S waves, which travel in its mantle with uniform velocities respectively, are not recorded beyond an epicentral distance of 90°. Then Rc /R =
94
Gravity anomalies at two points, distant 2 units and 5 units respectively from the position of the maximum gravity anomaly are in the ratio 8:1. Then, the depth (in units) to the centre of the ore body is :
95
The total field magnetic anomaly at a location of magnetic latitude 30° N due to an inhomogeneity is zero. Then the ratio of the anomalies in the vertical and horizontal components due to the same inhomogeneity would be :
96
A resisivity survey yields a K type curve. The sequence of geological formations, from top to bottom, that best explains the curve could be :
97
Which one of the following VES curves is NOT possible over a sequence of homogeneous layers ?
98
In a seismic survey over a refractor/reflector with a P wave velocity twice that of the overburden, both the reflected and refracted waves are recorded simultaneously at an offset distance of 2.31 km from the shot point at 2.3 s, respectively, after the shot. The thickness of the overburden and the velocity of the refractor are :
99
An n-fold, 12 channel CDP survey was carried out with the source spacing (S) equal to the receiver spacing (R). The source spacing required in units of receiver spacing to obtain a 2n foldage is :
100
The travel time line segments in an up-dip seismic refraction survey have gradients of 0.6666 sec/ km and 0.3333 sec/km respectively. If the critical angle is 60°, the dip angle of the refractor is :


La is incompatible and Co is compatible
Γ’β¬βΉΓ’β¬βΉboth are compatible
Γ’β¬βΉ both are imcompatible
Γ’β¬βΉ La is compatible and Co is incompatible