Exam Details

Subject earth & space sciences
Paper
Exam / Course ph d
Department
Organization central university
Position
Exam Date 2017
City, State telangana, hyderabad


Question Paper

1. The main purpose of research in education is to:

help in the personal growth of an individual

help the candidate becomes an eminent educationist

increase job prospects of an individual

increase social status of an individual

2. Which of the following is not an essential element of report writing? .

Research Methodology

Reference

Conclusion

None of these

3. On a topographic map, the blue color indicates the surface feature of

vegetation

water

rock formation

mountains

4. Why is it important to read original articles when reviewing the literature?

To obtain an overview of methods and procedures.

To examine the validity of the conclusions.

To look for flaws in the method.

All the above

5. The purpose of research is

to extend the conceptual understanding of a topic

primarily to get more data

to produce work of publishable quality

that the empirical work should be testing a theory

6. Which one of the following is a statistical index that describes the degree and direction of the relationship between two characteristics or variables

Probability

Correlation

T-test

Mean

7. When reading a journal article one should

Accepttheir ideas -after all they are published authors

Use the same ideas for your project

Approach it with a questioning style

Read it as a way of obtaining more information

8. What is the difference between a bar chart and a histogram?

A histogram does not show the entire range of scores in a distribution

Bar charts are circular, whereas histograms are square

There are no gaps between the bars on a histogram

Bar charts represents numbers, whereas histograms represent percentages

9. Two papers of statistics theory and lab carries a weightage of 60% and 40 respectively. If a student scores 80% in theory and 90% in lab, what is his overall average percentage score of statistics?

88%

84%

90%

85%

10. The mean, median, and mode are calculated for the list 8,8,10,15,17. If the number 4 is added to the list which of the following will change?

mean, median, and mode

mean

mean and median

mean and mode

11. In a certain code language COMPUTER is written as RFUVQNPC. How will MEDICINE be written in that code language?

MFEDJJOE

EOJDEJFM

MFEJDJOE.

EOJDJEFM

12. A bag contains Rs. 206 of which 50 25 P and 10 P coins are in the ratio 4. The number of coins of each type respectively is

360, 160, 200

160,360,200

200, 360,160

200,160,300

13. If log 2 0.3010 and log 3 0.4771, the values of log5 512 is

5.875

4.875

3.875

2.875

14. A family has a man, his wife, their four sons and their wives and one daughter. The family of every· son also has 3 sons and one daughter. Find out the total number of female members in the family?

8

10

9

12

15. The correlation coefficient between x and y is 0.60. What is the correlation coefficient between y and

-0.60

1.60

0.60

0.06

16. Which of the following types of sensors uses a highly focused beam of light?

SONAR

Weather radar

LIDAR

MSTradar

17. A train 220 m long passed a pole in 20 seconds. How long it will take to pass a platform 550 m long?

50 sec

70 sec

80 sec

60 sec

18. Based on logical reasoning build an analogy to Arc: Circle: Line:

Point

Ellipse

Sphere

Rectangle

19. If 2197 and 729. How would J be written in that code?

216

125

124

512

20. The top and bottom of a tower were seen at angles of depression 30° and 60° from the top of a hill of height 100 m. What is the height of the tower?

42.2 mts

58.78 mts

33.45 mts

66.6 mts

21. A cuboid of dimension 24cm x 9cm x 8 cm is melted and smaller cuboids of side 3 cm each are formed. How many such cuboids can be formed?

56

64

48

40

22. There are five bags and in the first bag some fruits are kept. Then in each bag the number of fruits is reduced by 1/4. The last bag contains 4. The number of fruits in the first bag is

64

1024

2596

256

23. One lady has 2 children, one of her child is boy, what is the probability of having both are boys?

1/3

1/2

2/3

2/5

24. What is the next number in the sequence 15, 10,

12

13

17

19

25. The equation where m n are integers has:

no solution

exactly tow solutions

exactly one solution

infinitely many solutions

26. The average of four consecutive even numbers is 49. The largest of these numbers is:

48

50

52

54

27. "All professors are researchers. Some scientists are professors." Which of the given conclusions is logically valid and is inferred from the above arguments?

all scientist are researcher

all professors are scientists

some researcher are scientist

no conclusion follows

28. If each number in a set often numbers is increased by 20, the arithmetic mean of the original ten numbers:

remains the same

is increased by 20

is increased by 200

is creased by 10

29. The remainder of 629 divided by 5 is

5

3

1

0

30. is related to 'Second' in the same way as 'Tertiary' is related to

Secondary

Primary

Ordinary

None of the above

31. 27)

10

24

5

None of the above

32. For a normal curve with M=65 and cr=10, how much area will be found under the curve to the left of the value 65?

0.25

0.5

1.5

1.0

33. One of the following is not Indian Earth Observation Satellites

INSAT-3DR

TERRA

Oceansat-2

IRS-1

34. In multiple regression, when global test of significance is rejected, we can conclude that

All of the net sample regression coefficient are equal to zero

All of the sample regression coefficients are not equal to zero

At least one sample regression coefficient is not equal to zero

The regression equation intersects the Y-axis at zero

35. Deciding what data is best for your research analysis depends upon which of the following?

The research question

The nature of the participants

The researcher's personal preferences

All the above

36. The independent variable refers to

the variable which is only used in the control condition

a variable which serves as the aim of an experiment

the variable which shows us the effect of the manipulation.

the variable being manipulated or varied in some way by the researcher

37. The primary aim of is to give structure to data in the form of categories which can then be analyzed.

statistics analysis

coding

pilot studies

self completion questionnaires

38. Which of the following is an example of a random sampling method?

systematic sampling

convenience sampling

purposive sampling

cluster random

39. What does it mean when research quotes that their findings are "statistically significant" and the statistical level set was at 0.05?

That a difference found is likely to occur by chance 5 or fewer times out of a 100 which suggests that the difference is due to chance and so does not represent a real difference between the groups or conditions.

That a difference found is likely to occur by chance 5 or fewer times out of a 100 and suggests that the difference is quite unusual and unlikely to be due to chance but rather a real difference between the groups or conditions.

That 95% of the time the study will be wrong.

That a difference found is likely to occur by chance 5 or fewer times out of a 100 and suggests that the difference is quite unusual and unlikely to be due to chance but rather a real difference between the groups or conditions.

40. The observation in a classroom that the higher the room temperature, the lower student performance would be an example of

Negative Correlation

Zero Correlation

Positive Correlation

Independent Correlation

41. The most abundant mineral phase in the lower mantle is

Garnet

Perovskite

Olivine

Spinel

42. Spinifex texture is characteristic of

Gabbro

Tonalite

Basalt

Komatiite

43. When cool air flows from high mountain region to region of low elevation, the air will

increase in moisture content

condense, forming large amounts of dew

undergo adiabatic warming

undergo adiabatic cooling

44. The Marina trench in the western Pacific is about deep.

8,448 m

11 ,022m

13,022 m

5,301 m

45. The density of seawater is controlled by:

temperature and salinity

temperature and pressure

salinity and depth

salinity and chlorophyll

46. Calc-alkaline magma is commonly generated in

Rift setting

Subduction zone setting

Collisional environment

Mid-oceanic ridge

47. In gabbro cumulate the positive Eu-anomaly is mainly due to

Plagioclase accumulation

Pyroxene accumulation

Magnetite and ilmenite

Olivine

48. Loess corresponds to

Eolian deposits

Braided river flood plain

Alluvial fan

Lake deposits

49. If the radius of the earth were to shrink by its mass remaining the same, the acceleration due to gravity on the earth's surface would

decrease by

remain unchanged

increase by

will increase by 9.8%

50. Positive gravity anomalies are often associated with

deep ocean trenches

ore bodies beneath Earth's surface

large cavern systems beneath Earth's surface

all of these

51. The S-wave shadow zone is evidence that

the outer core is liquid

the outer core is composed of iron and nickel oxides

the inner core is solid

it is very hot near the core

52. Perched water table lies

above water table

below water table

at the same level as water table

at an angle to water table

53. The Proton precession magnetometer measures

Vertical magnetic field

horizontal magnetic field

total magnetic field

inclination of magnetic field

54. According to Hooke's law of elasticity, within elastic limits, if the stress is increased, the ratio of stress to strain

increases

decreases

becomes zero

remains constant

55. The geothermal gradient in the crust averages

25 degrees Celsius per kilometer

1 degree Celsius per kilometer

10 degrees Celsius per kilometer

100 degrees Celsius per kilometer

56. The equator is warmer than the poles. Why do the surface winds not blow directly from the poles to the equator?

because hot air rises

because of the Earth's rotation

because about 71 Earth's surface covered by oceans

because there are mountains ranges in the way

57. Which of the following are the most productive areas of the ocean?

deep open ocean

coastal upwelling regions

estuaries

coastal downwelling regions

58. The great mass extinction event occurred during

Permian

Jurassic

Cambrian

Eocene

59. Main Central thrust in Himalayan orogen separates.

Siwalik hills and lesser Himalayan sequences

Subathu Formation and lesser Himalayan sequences

Lesser Himalayan,sequences and high Himalayan crystallines

Higher Himalayan sequences with Tibet

60. The great global oxidation event occurred during

2900 Ma

3400 Ma

2700 Ma

2300 Ma

61. Ekman transport moves surface seawaters about to the of the wind direction in the Hemisphere.

left, Southern

right, Northern

right, Southern

left, Northern

62. The equatorial under current is strongest in the:

Pacific Ocean

Atlantic Ocean

Indian Ocean

Southern Ocean

63. In addition to CO2, increase in one of the following is a potential contributor to global warming in last few decades.

Argon

Volcanic eruptions

Methane

Sulphate aerosols

64. The Bergeron process explains the growth of droplets from cloud to the size needed for rain due to the:

collision and coalescence of droplets in warm clouds

collision and coalescence of droplets in cold clouds

growth of ice crystals at the expense of supercooled water droplets, because saturation vapour pressure over water is greater than that over ice surface

growth of water droplets at the expense of ice crystals, because saturation vapour pressure overwater is greater than that over ice surface

65. During the year 1997 that witnessed one of the strongest El Nitios of the century, which interannual event among the following is supposed to have reduced its effect on the Indian subcontinent?

Southern annular mode

Pacific Decadal Oscillation

Positive Indian Ocean Dipole

Indian Ocean Basin Warming

66. The first primitive mammals have appeared during.

Triassic

Paleocene

Carboniferous

Permian

67. In India the dinosaurs attained their highest development during the deposition of

Bagh Beds

Lameta Beds

Umaria Marine Beds

Bap Beds

68. Which of the following rock characterize deep water environments

Marl

Sand stone

Loess

Carbonaceous shale

69. Geostrophic wind does not increase with height in

baroclinic atmosphere

barotropic atmosphere

both baroclinic and barotropic atmospheres

none of the above

70. Considering the atmosphere from the surface to 200 km altitude, the coldest region would be found around

16km

50 km

80 km

140 km

71. The scale height of a synoptic disturbances is of the order of:

10^3m

10^-2m

10^4 m

10 m

72. One of the following is not routinely used to generate an ENSO index. Identify.

Sea surface temperature in the equatorial eastern pacific

Sea surface temperature in the equatorial central pacific.

Sea level pressure gradient between Tahiti and Darwin

Sea surface temperature in the equatorial western pacific

73. Excess alumina in an igneous rock will form the normative mineral

Quartz

Feldspars

Aluminosilicates

Corundum

74. The lithophile elements generally concentrate in

Rock-forming minerals

Earths' core

Sulphides

Atmosphere

75. Cerium is the only REE to form under oxidizing sedimentary environment.

Two valence

Three valence

Four valence

one valence

76. The equations of motion with the hydrostatic assumption DO NOT permit:

vertically propagating sound waves

Rossby waves

inertia-gravity waves

All of the above

77. The Karewa formation in the Kashmir valley is renowned for its deposits.

Gypsum

Batytes

Lignite

Ochre

78. In Khetri and Singhbhum, copper mainly occurs as

Cuprite

Chalcopyrite

Chalcocite

Covellite

79. The underground water that occurs within the zone of aeration is termed

Plutonic water

Meteoric water

Vadose water

Connate water

80. Disseminated sulphides can be explored effectively by

Self-potential method

Magnetic method

Seismic methods

Induced polarization method


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