Hall Ticket No:
University of Hyderabad
ENTRANCE EXAMINATION 2010-2011
Ph.D in Earth Space Sciences
Date/Day: 03.06.2010, Thursday Time: 2.00-4.00 P.M Marks: 75
Instructions to the candidates:
1.
All questions carry equal marks.

2.
Write your Hall Ticket Number in the OMR answer sheet given to you. Also write the Hall Ticket Number in the space provided on the question paper booklet.

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.
Thequestionpaperconsists ofpart'A'andpart

5.
There is negative marking. Each wrong answer carries 0.33 mark.

6.
Answers are to be marked on the OMR answer sheet following the instructions provided there upon.

7.
Hand over both the question paper booklet and the OMR answer sheet at the end of the examination.

8.
No additional sheets will be provided. Rough work can be done in the question paper itself/ spaceprovidedattheend ofthebooklet.

9.
Non-programmable calculators are allowed.


PART A
1. Doldrums is belt of

Calm condition ofwinds with low pressure


Strong condition with high pressure


Thunderstorms with lightening


B andC
2. Modem periodic law states

The properties ofelements depend upon the atomic weight


The properties ofelements depend upon the atomic value


The properties ofelements depend upon the electronic configuration (D)The properties ofelements are periodic function oftheiratomic number


3. The radius ofan atomic nucleus is oforder of

10-10 cm


10-13 cm


10-15 cm


10-8 cm


1.
4. Rate ofdiffusion ofa gas is

Directly proportional to its density


Directly proportional to its molecular weight


Directly proportional to the square root ofits molecular weight


Inversely proportional to the square root of its molecular weight


5. Age ofthe Earth (Approximately)
100 MY
7.5 BY
(C)4.6 BY

5.6 BY
6. Velocity of ideal gas molecule is given by the relation

3RT
M







7. Sandstone is a

Igneous rock


Metamorphic rock


Sedimentary rock


None


8. The most characteristic rocks ofIsland-Arc systems are

Andesites


Granodorites


Blue Schists


Basalts


9. The Triple Junction nearest to India is located in the

Bay ofBengal


Indian Ocean


Arabian Sea


(D)Rann ofKutch
10. The average heat flow in the oceanic or continental crust is equal to
2

5.5 X 10-2 joules
2



5.5 X 10-3 joules
2



5.5 X 10-4 joules


None ofthe above


2.
11. Which ofthe following exhibits the maximum half-life period? Pb206

U238


U2358 Pb207



Rb87 Sr87
(D)Sm147 _Nd143

12.Mostoftheearthquakes ofshallowfocus rangearecauseddueto

Normal faulting


Gravity faulting


Reverse faulting


Thrust faulting


13. Which ofthe fallowing exhibits negative gravity anomaly?

Hawaiian Islands


Mid-Atlantic Ridge


Ryukyu Kyushyu Arcs


Mariana's Trench


14. Direction cosines ofthe line passing through the points with position vectors i j -4k and 2i 3j-2kare

1 12)



11)




21)





10] IS
.[9 .
15. The trace ofthe matnx
10 11


20

11


1


16. If cot(S-30) cot(S+30) then S



0
17. If A is a 3x3 matrix such that detA= then det(AdjA)=

6


24

(D)216



3.
18. The subtropical belts of high atmospheric pressure over Oceans between the regions ofthe trade winds and Westerlies is called

Easterlies


Doldrums


Roaring forties


Horse latitude


19.
The line parallel to y-axis and passing through is 0 0 0

20.
Ajet engine works on the principle of

(A)Conservation ofEnergy

Conservation ofMass


Conservation ofLinear momentum


(D)Conservation ofAngularmomentum

21.
If the Earth were 3 times as far as from the Sun as it is now, how would the


gravitational attraction compare with its present value
(A)Gravitational attraction would be 9 times its present amount


Gravitational attraction would double its present amount


Gravitational attraction would be 1/9 times its present amount (D)None ofthe above


22. The average time interval between successive high and low tides is

24 hrs and 52 min


14 hrs and 30 min
hrs and 12 min



6 hrs and 10 min


23. The hot and dry winds that blow in North American on eastern side of rocky mountains are called as

Foehn
(B)Loo



Gale


Chinook


24. The experimental satellite SROSS abbreviation means

Stretched Rohini Satellite Series


Super Rohini Satellite Series


Subsystem Rohini Satellite Series


Sub contracted Rohini Satellite Series


25. A physical balance works on the
Principle of moments
(B)Law ofconservationofmomentum

Law ofparallelogram offorces


Law ofconservation ofenergy


4
PART-B
26. A sudden fall in Barometric reading indicates

Cold


Snowfall


Strom


Heavy rain


27. Dolerite is

Volcanic basic rock


Plutonic basic rock


Hypabyssal basic rock


Plutonic acidic rock


28. A coarse-grained, rudaceous, siliceous rock is known as

Conglomerate


Breccia


Arkose


Grit


29. Confined water is found

Above the water table


Below the water table


Between the aquiclude and aquifer


Between the aquifuge and aquifer


30. The velocity ofP waves in the inner core is

20.45 km/sec


18 km/sec


15.20 km/sec
(D)-11.23 km/sec



31. The flattest portion ofthe Earth's surface is formed by

Abyssal Hills


Abyssal plains


Oceanic rises


Oceanic trenches


32. The Mid-Atlantic ridge system is an area of

Shear plate boundary


Consuming plate boundary


Accreting plate boundary


Stable plate boundary


33. The Tethys sea was located between

North America and South America


North America and Eurasia


Eurasia and Africa


Antartica and Australia


5.
34. Which of the following has the youngest oceanic crust?

Pacific Ocean


Atlantic ocean


Arctic ocean


Indian ocean


35. The fastest spreading ofthe sea floor is exhibited by

South Atlantic Ridge


North Atlantic Ridge


Central Indian Ridge


East Pacific Rise


36. The water which is trapped in a sediment or bed against gravity is called

Capillary water


Gravitational water


Hygroscopic water
(D)NQne of the above



37. The imaginary line on the Earth's surface which closely follows the 180 meridian is called

Tropic ofCancer


International Date line
(C)Equator



Tropic ofCapricorn


38. Rusting of iron is an example of

Rapid oxidation
(B)Spontaneous oxidation



Slow oxidation


Reduction


39. Chemically, vitamin Cis

Ascorbic acid


Acetic acid


Tartaric acid


Citric acid


40. The element essential in all organic compounds is

Nitrogen


Sulphur
(C)Carbon



Chlorine


41. Which substance is produced by fermentation?

Chlorine


Carbon dioxide


Nitrogen dioxide


Sulphur dioxide


6.
42. Radiocarbon dating technique is used to estimate the age of

Rocks


Soil


Buildings


Fossils


43. Spatial data can be described as

Data that has a geographic element


Data containing an area attribute


Data concerned with measurements


Data containing vector attributes


44. A solution ofwashing soda in water is

Acidic


Neutral


Bleaching


Alkaline


45. A solution ofa pH of 11 is

More alkaline than a solution ofpH 8


Less alkaline than a solution of pH 8


More than a solution of pH 8


Neither acidic nor alkaline


46. Ofthe following, the one representing a physical change is

Rustirig of iron


Freezing of water


Burning ofcoal


Souring ofcream


47. A deuterium nucleus consists of

One proton and two electrons


One proton and one neutron


One proton and three neutrons


One neutron and two protons


48. Corundum is an ore of

Aluminium


Magnesium


Boron


Berrylium


49. Brass is an alloy of

Copper and Zinc


Copper and Tin


Copper and Nickel


Copper, Zinc and Nickel


7.
50. Largest constituent ofcement is

Silica


Calcium oxide
(C)Alumina



Ferric oxide


51. When two mercury drops are brought into contact, they form a bigger drop because liquids have a tendency to possesses

Minimum surface area


Minimum volume


Maximum size


Maximum surface area


52. Which ofthe following is more viscous

Alcohol


Water
(C)Honey



Gasoline


53. When iron rusts, its weight

Decreases


Increases


Shows no change


Decrease and then increase


54. The density of sea water decreases as

Depth and salinity increases


Depth increases and salinity decreases


Depth and salinity decrease


Depth decreases and salinity increases


55. When a ship enters a sea from a river, it

Rises


Remains at the sea level


Sinks a little


Rises or sinks depending on the material it is made of


56. The angle between geographical and magnetic meridian is called

Angle ofdip


Latitude


Angle ofdeclination


Angle of inclination


57. A square coil of 0.01m2 area is place perpendicular to the uniform magnetic field of intensity 103 w/m2• The magnetic flux linked with the coil is

10 weber


10-5 weber
(C)Zero



100 weber


8
58. The direction of induced current is such that it opposes the very cause that has produced it. This is the law of

Lenz


Faraday


Kirchhoff


Fleming


59. X-rays are not emitted out from H-atom because (A)Energy levels are very close in H-atom

Energy levels are farther apart in H-atom


Its size is very small


It contains one electron


60. The elliptical orbits of electron in the atom were proposed by (A)J,J.Thomson

Bohr


Somerfield


de Broglie


61 I · .. n a gIven reactIOn X A yA K A-4 K A-4 z . d"ra IOact!ve ra latIOns are
emitted in the sequence
y
y

n

62. Velocity -time curve for a body projected vertically upwards is

Parabola


Ellipse


Hyperbola


Straight line


63. The number of neutrons in a chain reaction increases in

Arithmetic progression


Geometric progression


Harmonic progression (D)None ofthe above


64. The minimum value ofthe quadratic expression 3x2 2x 11 is

32/3


28/3





65. Isohytes are the points joining the areas of equal

Pressure


Temperature


Rainfall


Salinity


9 .
66. The equation ofthe normal to the curve 2x2 -xy 0 at is

2y 5=0





2x
5



67. A random variable X has mean 2 and then the standard deviation ofX is


.fi


2


4


68. The mean is a measure ofthe data for

Variability


Position


Central tendency


Symmetry


69.lfwe computes-the mean for a set of% Fe grades and then subtracts this mean from eachgrades, the SUMoftheresultingset ofdifferencegrades willequal

Zero


Unity


the number ofscores


n times the mean


70. IfA2 I then the inverse ofA is

A I


A





71. A straight line through the point A is such that its intercept between the axes is
bisected at A. Its equation is


7
4x 3y= 24
4y 25

1+2i
72. The modulus ofthe complex number is

0
1




2


73. What is the value offactorial Zero
10

0


1




10
74. In a set of 10 scores, the value 1 occurs 5 times, the value 4 occurs thrice and 6 occur
twice. What is the mean of the scores?
4 6

4
4*3


75. In a data set of 100 values of Fe and Si02, it was established that there is negative linear relation ship between Fe and Si02. This means

As Fe increases Si02 decreases


As Fe increases Si02also increases


There is no change in Fe or Si02


There is no change in Fe where as Si02 changes


)laper ends
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