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Home » IAS Previous Year Test Papers » IAS Zoology Examination-2003-Mains

IAS Previous Year Test Papers

A D V E R T I S E M E N T
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C.S.E. (MAIN) � 2003 GEOLOGY

PAPER - I

Time Allowed: Three Hours Maximum Marks: 300


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A D V E R T I S E M E N T


Candidates should attempt Questions 1 and 5 which are compulsory and

remaining any THREE questions selecting at least ONE from each Section.

SECTION A

1. Answer any three of the following, each within 200 20 X 3 = 60

(a) How do structure, climate, topography and vegetation influence rocks in

nature?

(b) Mantle of the earth. .

(c) Significance of Remote Sensing in small mining industry.

(d) Differen1iate between the following pairs:

(i) Dome and basin

(ii) Horst and graben

(iii) Overthrust and underthrust faults

(iv) Hanging wall and footwall

2. Discuss the significance and mechanism of sea-floor spreading. 60

3. Describe the following: 30 X 2 = 60

(a) Drainage patterns of Indian Sub-continent

(b) Advantages of photo-geology over conventional geological survey.

4. Define unconformity and describe its various types. How tan they be recognized

in the field? 60

SECTION B

5. Answer any three of the following, each within 200 words: 30 X 2 = 60

(a) Pleistocene glaciation

(b) Role of geologists in the construction of bridge

(c) Role of microfossils in correlation of rock formations

(d) Describe the morphology of Gastropoda shelf.

6. Discuss the evolutionary changes in the morphology of Ammonoids. 60

7. Describe the following: 30 x 2 = 60

(a) Principles of stratigraphic correlation

(b) Significance of glossopteris and ptylophyllum in the study of Gondwana

System.

8. Discuss the following: 30 X2 = 60

(a) Importance of rain water harvesting for living beings

(b) Precautions in construction of buildings in earthquake-prone zones.

PAPER - II - 2003

Time Allowed: Three Hours Maximum Marks: 300

Candidates should attempt Questions 1 and 5 which are compulsory and remaining any

THREE questions selecting at least ONE from each Section.

SECTION A

1. In about 200 words each, explain any three of the following:

(a) Double refraction and birefringence 20

(b) Textures in volcanic rocks: petrogenetic significance 20

(c) Retrograde metamorphism: the assemblage minerals, textures and their

significance 20

(d) Ripples, Dunes and cross-breeding: origin and significance 20

2. Describe the chemical composition, physical properties and mode of occurrence

of Phosphate group of minerals. 60

3. Write explanatory notes on the following:

(a) Carbonatities; their mode of occurrence, petrography and petrogenesis. 30

(b) Granulite terrains of India: their mineral assemblages and petrogenetic

characteristics. 30

4. Define provenance and its importance in Sedimentology. Describe the provenance

indicators to identify different source rocks. 60

SECTION B

5. In about 200 words each, write notes on any three of the following:

(a) Stratabound and stratiform deposits: characteristics and examples. 20

(b) Heavy media separation as ore-dressing process 20

(c) Isomorphism and isomorphous mixture, examples. 20

(d) Fertilizers/and their impact on groundwater pollution

6. Write notes on the following, in brief:

(a) Pyrometasomatic deposits: their genesis and general characteristics. 30

(b) Placer deposits of thorium in India: their geological setting and mode of

occurrence 30

7. Describe the methods of geological prospecting giving their applications and

limitations. Add a note on geobotanical prospecting methods. 60

8. Write notes on the following, in brief:

(a) Goldschmidt's geochemical classification of the elements with examples.

30

(b) Legislative measures for environmental protection in India. 30




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