116/1 I
2010
GEOLOGY
Paper 1
Time: 3 Hours] [Maximum Marks: 300

INSTRUCTIONS
Each question is printed both in English and in Kannada.
Answers must be written in the medium specified (English Dr Kannada) in the Admission Ticket issued to you, which must be stated clearly on the cover Df the answer book in the space provided fDr this purpose. In case ofany doubt in the Kannada text, please refer to English text.
This paper has four parts:
A 20 marks
B 100 marks
C 90 marks
D 90 marks

Marks allotted to each question are indicated in each part.
All questions in Part Part B and Part C are compulsory. Answer any three questions in Part D.

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16/1 21

PART A 4x5=20
Answer each question m about 50 words. Each question carries 5 marks.
1. Write brief notes on (al Isostasy
Stress ellipsoid

Classification of Brachiopods


Sub-divisions of Upper Gondwana in India


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(stress ellipsoid)


16/1 14 PARTB 10x10=100 Answer each question in about 100 words. Each question carries 10 marks;
2.
Using a diagram, describe the interior of the Earth.

3.
Give an account of Continental Drift and its causes.

4.
With the help of neat sketches, describe two types of drainage patterns and their significance.

5.
Write notes on the major geomorphic features of the Deccan Province of India.

6.
Give an account of joints in rocks and their varieties.

7.
Using diagrams, list the differences between an anticline and a syncline.

8.
Describe the morphology of a regular Echinoid.

9.
Describe the geological history of Gastropods.

10.
Write notes on the Jurassic of Kutch.

11.
Describe the igneous rocks of Malani area.


5 16/1

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7. ;).mro (Anticline) (Syncline)
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16/1 (6I PARTe 6x15=90 Answer each question in about 150 words. Each question carries 15 marks.
12.
List the volcanic belts of the world and describe the various products of volcanic eruption.

13.
Describe the various depositional landforms associated with a river.

14.
Give a brief account of the major tectonic features of India.

15.
Using diagrams, describe a dyke and a sill and bring out the essential differences between them.

16.
Trace the geological history of lamellibranchs.

17.
Write notes on the oil bearing stratigraphic formations of India.


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16/1 I8)

PAJiT D 3x30=90
Answer any three of the following questions, each in about 300 words. Each question carries 30 marks.
18.
Write in detail about Earthquake distribution in the Indian sub·continent.

19.
Describe the various geological works of the sea operating along the coast, and the related landforms.

20.
Explain the structural and stratigraphic aspects of the Aravalli formation.

21.
Write detailed on the morphology, classification and geological history of Trilobites.

22.
What is a Petrofabric diagram? Explain its applications and describe the analysis of petrofabric diagrams.







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116/2 I
2010
GEOLOGY
Paper 2
Time: 3 Hours} [Maximum Marks: 300

INSTRUCTIONS
Each question is printed both in English and in Kannada.
Answers must be written in the medium specified (English or Kannada) in the Admission Ticket issued to you, which must be stated clearly on the cover of the answer book in the space provided for this purpose. In case ofany doubt in the Kannada text, please refer to English text.
This paper has four parts
A 20 marks
B 100 marks
C 90 marks
D 90 marks

Marks allotted to each question are indicated in each part.
All questions in Part Part B and Part C are compulsory. Answer any three questions in Part D.

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16/2

PART A 4x5=20
Answer each question in about 50 words. Each question carries 5 marks.
1. Write notes on the following:

Mohs scale of hardness


Crystalline and Amorphous substances


Composition, texture and mode of occurrence of Dolerite
Cavity filling deposits
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16/2 J PARTB

Answer each question in about 100 words. Each question carries 10 marks.
2.
List the various crystal systems and define each of them with reference to their corresponding crystallographic axes.

3.
Explain pleochroism, interference colour and extinction as optical properties of minerals.

4.
Give a detailed account of properties of Mica and its varieties.

5.
Describe the physical and optical properties, chemical composition, mode of occurrence and uses of Pyroxene and its varieties.

6.
Explain in detail the Bowen's Reaction Principle.

7.
Classify sedimentary rocks and describe each type briefly.

8.
What are the mineral deposits formed due to mechanical concentration? Explain the process and its products.

9.
Give an account of the Iron ore deposits of South India.

10.
Explain the favourable conditions necessary for the successful construction and ultimate stability of bridges.

11.
Using a diagram, describe the occurrence and distribution of groundwater.


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PARTe

Answer each question in about 150 words. Each question carries 15 marks.
12.
Write notes on twinning in crystals.

13.
List the various accessories used with a microscope to study the optical properties of minerals. Explain briefly their working principle.

14.
Explain in detail, the structural classification of silicates.

15.
Elaborate the terms "Grades" and "Facies" of metamorphism. Explain each with appropriate examples.

16.
Using examples of mineral deposits, explain the process of magmatic concentration of ore formation.

17.
Using diagrams, describe the favourable and unfavourable geological conditions for dam construction.


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16/2 (8

PAJiT D 3x30=90
Answer any three of the following questions, each about 300 words. Each question carries 30 marks.
18.
Give a detailed description of the optical properties of Isotropic, Uniaxial and Biaxial minerals.

19.
Write a detailed essay explaining the composition, varieties, properties, origin, occurrence and uses of Quartz and Feldspar grO'Up of minerals.

20.
Classify igneous rocks based on various criteria and briefly describe each f variety.

21.
Explain the Geology and distribution of the coal fields of India.

22.
Outline the principles of aerial photography and describe the procedure for using aerial photographs in geological investigations.


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2010

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Note: the English version of the instructions is printed on the front cover of this question paper.