Code No: 0-96 Hall Ticket No:
University of Hyderahad
ENTRANCE EXAMINATION 2013-2014
Ph. D in Earth Space Sciences

Date/Day: 23.02.2013, Saturday Time: 2.00-4.00 PM Marks: 75
Instructions for the candidates:
1.
All questions carry equal marks.

2.
Write your Hall Ticket Number on the OMR Answer Sheet and in the space provided on the question paper.

3.
The question paper consists of Objective Type questions of one mark each. For each question, there are four answers and the answers are to be indicated with capital letters of alphabets viz., C and D.

4.
The question paper consists of Part and Part

5.
Answers are to be marked on the OMR answer sheet following the instructions provided there upon.

6.
Hand over -.f the OMR answer sheet at the end of the examination.

7.
No additional sheets will be provided. Rough work can be done in the space provided at the end of the booklet.

8.
Non-programmable calculators are allowed.


PART-A
1. In a wire, when elongation is 2 em energy stored is E. if it is stretched by 10 em, then the energy stored will be
E 2E 4E 25E
2. Two steel wires of the same radius have their lengths in the ratio of 1:2. If they are stretched by the same force, then the strains produced in the two wires will be in the ratio of
1:2 2:1 1:1 1:4
3. For Hooke's law to hold good, the intermolecular distance must be as compared to the equilibrium distance

Much more Zero Much less Approximately same


Is greater than just above it Is less than just above it


Is same as just above it Is always equal to atmospheric pressure.


4. Energy in a stretched wire is
Half of load' strain Half of stress' strain
Stress' strain Load' strain
5. Which of the following have highest elasticity?
Steel Copper Rubber Aluminium
6. A liquid does not wet the surface of a solid if the angle of contact is
Zero An acute one An obtuse one
7. The pressure just below the meniscus of water

8. The center of mass of the Earth's atmosphere is:
A. A little less than halfway between the Earth's surface and the outer boundary of the atmosphere
B. Near the surface of the Earth
C. Near the outer boundary of the atmosphere
O. Near the center of the Earth
9. Which sedimentary rock is most likely to be changed to slate during regional metamorphism? (A)Breccia Conglomerate Dolostone Shale
.10. Compared to dull and rough rock surfaces, shiny and smooth rock surfaces are most likely to cause sunlight to be

Reflected Refracted Scattered Absorbed 11·, The equatorial radius of the Earth is approximately


637 km km 63700 km 8671 km At which location would an observer find the greatest force due to the Earth's gravity?


North pole Equator London New York
13. Which statement provides the best evidence that the Earth has a nearly spherical shape?

The sun has a spherical shape (B)The altitude of Polaris(N. Star) changes with the observer's latitude in the Northern Hemisphere


Star trails photographed over a period of time show a circular path


The length of noontime shadows change throughout the year


The latitude of a point in the Northern Hemisphere may be determined by measuring the

apparent diameter of Polaris altitude of Polaris


distance to the Sun apparent diameter of the Sun


15. The true shape of the Earth is best described as a

perfect sphere perfect ellipse


slightly oblate sphere highly eccentric ellipse


16. The locus of a point, equidistant from the points and is
2x-y=0 2x+y=0
17. Domain of the real valued function is
Z R Does not exist
18. The cube root of is

19.
The equation to the straight line through and perpendicular to x -axis is x=2

20.
The equation of the circle with centre and radius 13 is always satisfied by the point



21.
The discontinuity separating Earth's upper and lower crust is termed as

Moho (B)Guttenberg lehmann (D)Conrad

22.
Which of the following is a Mars exploration rover?

Brightness (B)Curiosity (C)Eager (D)Discovery

23.
The largest mass extinction on the Earth took place at the following geological boundary

Cretaceous-Tertiarty (B)Permo-Triassic
(C)Ordovician-Silurian (D)Jurrassic-Cretaceous


24.
The tropical cyclones often follow the direction of movement from

South to North East to West West to East North to South

25.
Which of the crystal systems has four crystallographic axes?


Monoclinic triclinic hexagonal tetragonal
PART-B
26. Potential energy of a molecule on the surface of a liquid is as compare to another molecule inside of the liquid is
More Less Both and None of these
27. Rain drops are spherical because of

Gravitational force Surface tension


Air resistance Low viscosity of water


28. Surface tension of liquid is independent of the

Temperature of the liquid Area of the liquid surface


Nature of the liquid Impurities present in the liquid


29. Meniscus of mercury in capillary is
Concave Convex Plane Cylindrical
30. The period of simple pendulum is doubled when

Its length is doubled Its length is halved


The length is made four times Mass of the bob is doubled


31. If the length of a simple pendulum is doubled keeping its amplitude constant its energy will be
Unchanged Doubled Four times Halved
32. The unit of force constant is
Nm N/m N/kg Nkg
33. Moment of inertia depends on
Distribution of particles Mass Position of axis of rotation All of these 34. The dimensions of angular momentum are

35. The moment of inertia of a body does not depends upon

Angular velocity of a body Axis of rotation of the body


The mass of the body The distribution of the body


36. Moment of inertia depends upon the

Mass of the body Distribution of mass of the body


Position of axis of rotation All of these


37. If a gymnast, sitting on a rotating stool, with his arms outstretched, suddenly lowers his arms

The angular velocity decreases His moment of inertia decreases


The angular velocity remains constant The angular momentum increases


38. In a sonometer wire, the produced waves are

Longitudinal Transverse, stationary and unpolarised


Transverse, stationary and polarised Transverse, progressive and polarized


39. In a stationary wave, the strain is maximum at the

Nodes Antinodes


Between the node and the antinodes Between any two nodes and antinodes


40. Compared to Earth's crust, Earth's core is believed to be

less dense, cooler, and composed of more iron


less dense, hotter, and composed of less iron


more dense, hotter, and composed of more iron


more dense, cooler, and composed of less iron


41. Which of the following is NOT a type of plate boundary?
convergent boundary divergent boundary translational transform
42.
The most voluminous portion of the Earth is known to geologists as (A)The crust The lithosphere The mantle The core

43.
The lithosphere is that portion of the Earth where rocks behave as

Brittle solids Plastic solids Fluids Rock

44.
Many divergent plate boundaries coincide with


transform faults explosive volcanic eruptions


the edges of the continents the Mid-Ocean Ridge



45.
At transform plate boundaries


Two plates slip horizontally past each other


Two plates move in opposite directions toward each other


Two plates move in opposite directions away from each other


Two plates are subducted beneath each other




46. A typical rate of plate motion is
3 centimeters per year 1-18 centimeters per year
1 kilometer per year 1,000 kilometers per year
47. Earthquakes may be caused by
movement of tectonic plates motion along faults in Earth's crust
shifting of bedrock all of these

48. Plate tectonics is
an hypothesis a conjecture a theory the rawest of speculation
49. A subduction zone is most likely to be encountered

at a convergent plate boundary at a divergent plate boundary


at a transform plate boundary at a translational plate boundary


50. Petroleum is NOT a mineral because

It does not have a definite chemical composition


It does not have a crystalline structure


It is not a solid


All of these are reasons why petroleum is not a mineral


51. The silicon-oxygen tetrahedron is

The bUilding block of the silicate minerals


composed of 4 oxygen atoms surrounding 1 silicon atom


composed of the two most abundant elements on Earth


all of these


52. Which of the following is NOT considered a physical property of minerals?
hardness streak silicate structure luster
53. Select the statement about cleavage which is NOT correct

a plane along which crystals break easily


a plane that reflects light


it is well developed in all minerals


there may be more than one cleavage plane in some minerals


54. Atoms with either a positive or·negative charge are called
isotopes ions elements radioactive
55.
For a given mineral, the physical property which displays the greatest variation is

color luster (ct hardness streak

56.
Muscovite is


a double chain silicate a framework silicate


a sheet silicate a single chain silicate



57.
In a syncline, all rock layers


dip toward the fold axis dip away from the fold axis


have vertical dips have horizontal dips



58.
A fault is observed where the hanging wall is displaced upward relative to the footwall


This is a normal fault This is a reverse fault


This is a left-lateral strike-slip fault This is a right-lateral strike-slip fault



59.
A fault that displays mostly vertical displacement is

a dip-slip fault a strike-slip fault a transform fault none of these

60.
Strike-slip faults can also be

dip-slip faults transform faults anticlines synclines

61.
Porosity is


the percentage of a rock's volume that is open space


the capacity of a rock to transmit fluid


the ability of a sediment to retard water


none of the above



62.
Seasons on Earth occur because of:


Disproportionate distribution of land mass in northern and southern hemispheres Tilt of the Earth's axis of rotation­
Changes in the specific heat of water and land mass and the wind circulation that is a
consequence of the changes in the temperature
(t» Changes in the circulation of Green house gases.

63. An aquifer is

a body of saturated rock or sediment through which water can move easily


a body of rock that retards flow of ground water


a body of rock that is impermeable
a body of rock containing water




64. Which rock type below is likely to possess the highest porosity?
sandstone conglomerate siltsone shale
65. Which rock type below is likely to possess the highest permeability?
shale sandstone siltsone granite
66. The decline in the level of the water table around a pumping well is known as

the porosity parameter the permeability gradient


the cone of depression the sphere of influence


67. The maximum and minimum values of 16cosx+12sinx-9 are
11 and -29 -29 and 11 -11 and 29 29 and -11
68. If A and B then nB) is


69. The quadrant containing the point is
I II I and II None
70. Solution of the equation Mod(2x+3) 2 is
None
71. If the order of the matrix A is 2x3 and the order of the matrix B is 2x4 then the order of (ATB)T is
3 x 2 3 x 4 4 x 3 2 x 3
72. If A+B =225 then 2 1 2tanAtanB None of these
73. Limit x

x 00

4 1/4 0 00
74. If a polynomial is divided by the quotient is x 2+2x-1 and remainder is 3 then is
2x3+x2-8x+6 x3-2x2+8x-6 2x3-x2+8x-6 None
75. If the length of 3 sides of a triangle are 4 and 5 then area of triangle is
6 16 36 (0)256