igmlnet.uohyd.ac.in Ph.D.Earth & Space Sciences Sample Question : University of Hyderabad

Name of the University : University of Hyderabad
Exam : Entrance Examinations
Paper: Ph.D.Earth & Space Sciences
Document Type : Model Question Paper
Year : 2016

Website : http://igmlnet.uohyd.ac.in:8000/question-papers.htm#Ph_D_-_Programs_
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Ph.D.Earth & Space Sciences Sample Question :

Marks: 75
Instructions for the candidates :
1. All questions carry equal marks.
2. Write your Hall Ticket Number on the OMR Answer Sheet given to you. Also write the Hall Ticket Number in the space provided on the question paper booklet.

Related : University of Hyderabad Entrance Exam Ph.D Computer Science Question Paper : www.pdfquestion.in/11500.html

3. The question paper consists of Objective Type questions of one mark each.

4. The question paper consists of Part ‘A’ and Part ‘B’.
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 the OMR answer sheet at the end of the examination to the Invigilator.
8. No additional sheets will be provided. Rough work can be done in the question paper itself/space provided at the end of the booklet.
9. Non-programmable calculators are allowed.

Part-A :
1. The most abundant mineral in the planet earth
a. Perovskite
b. Olivine
c. Garnet
d. Plagioclase

2. A He nucleus that escapes from a decaying heavy radiogenic isotope is called
a. Alpha particle
b. Gamma ray photon
c. X- ray
d. Beta particle

3. Coesite is a high pressure polymorph of
a. Diopside
b. Hypersthene
c. Olivine
d. Quartz

4. The mineral daubreelite is characteristic of
a. Komatiite
b. Boninite
c. Iron meteorite
d. Lherzolite

5. Pyrope garnet and chrome diopside characteristic minerals of
a. Kimberlite
b. Lamprophyre
c. Lamproite
d. Carbonitite

6. Mantle covers percent of total mass of the planet earth
a. 72 percent
b. 35 percent
c. 84 percent
d. 20 percent

7. The crust-mantle boundary is known as
a. Mohorivicic discontinuity
b. Guternberg discontinivity
c. Keller discontinuity
d. Eskola discontinuity

8. The composition of sapphire is
a. Ah03
b. CaTi03
c. Ah(OH)2
d. AISi20 s

9. The characteristic rock type of continental rift setting
a. Alkaline basalt
b. Boninite
c. Tholeiite
d. Lherzolite

10. The characteristic assemblage of eclogite facies
a. Lawsonite – glucophane-chloritoid
b. Garnet – diopside-ilmanite
c. Garnet – pigeonite-epidote
d. Garnet – omphacite-rutile

11. Ophiolites corresponds to
a. Abducted slices oceanic crust and mantle in orogenic belts
b. Basaltic eruptions in island arc
c. Ultramafic intrusions in continental rift
d. Basaltic eruptions in Ocean islands

12. As per the IPCC report, over the period 1901 to 2010, global mean sea level rose by about
a. 0.19 m
b. 1.5 mm
c. 10m
d. 0.33 m

13. The adiabatic lapse rate (per km)for moist unsaturated parcel will be approximately
a. 6.3°C
b. 9.8°C
c. 6.3°P
d. O°C

14. Which of the following can is a common real world example of gradient wind balance?
a. Anomalous anticyclonic flow around.a high.
b. Anticyclonic flow around a high.
c. Anomalous anticyclonic flow around a low
d. None of the above.

15. Among the following, identify the statement that does not apply to a barotropic atmosphere.
a. Density at each point is determined solely by the pressure at that point.
b. No increase of geostrophic wind with height.
c. Vertical shear depends mainly upon horizontal gradient of temperature.
d. Large scale motion does not depend on height.

16. Among the following, which phenomenon primarily varies on intraseasonal time scales?
a. ENSO.
b. Madden-lulian oscillation.
c. Southern Annular Mode.
d. North Atlantic Oscillation.
17. The temperature to which a sample of air is cooled by evaporating water into it to make
saturated, at constant pressure is called
a. dry bulb temperature
b. dew point temperature
c. absolute temperature
d. Wet bulb temperature.
18. One of the following condition results in anomalously reduced summer monsoon rainfall
spells in India. Identify.
a. La Nina
b. Monsoon depressions.
c. A strengthened Mascarene high
d. Eastward shift in the Tibetan anticyclone.
19. The ratio indicating the relative importance of the horizontal and vertical friction IS
called
a. Ekman number
b. Froude number
c. Rossby number
d. Reynolds number
20. The layer in a water body where the rate of change of salt in the vertical is maximum is called
a. Pycnocline
b. Thermocline
c. Halocline
d. Oxycline

21. Thunderstorms are associated with the following type of clouds
a. Nimbostratus
b. Altocumulus
c. Cumulonimbus
d. None of the above

22. Deep mixed layers in winter are notably absent in
a. North Pacific
b. Labrador Sea
c. Greenland Sea
d. Polar southern oceans

23. If the radius of the earth were to shrink by 1 %, its mass remaining the same, the acceleration due to gravity on the earth’s surface would
a: decrease by 2%
b. remain unchanged
c. increase by 2%
d. will increase by 9.8%

24. A scatter plot shows
a. The direction and strength of a relationship between two variables.
b. The linear relationship between two variables.
c. The prediction of value one variable knowing the value of the other variable.
d. None of the above

25. During which era did the initial opening of the present-day Atlantic Ocean most likely occur?
a. Cenozoic
b. Mesozoic
c. Paleozoic
d. Late Proterozoic