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GEO'LOGY


Paper I
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ITIme Allowed .. Three HoursI IMaximun1:"Marks 200I
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INSTRUCTIONS
Candidates should attempt questions 1 and 5 which compulsory, and remaining questions, selecting at lea:st ONE question Section:"--.
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I• I..• •
All carry equal marks·.­Marks allotted to parts of a question are
indicated against each.

Answers must be written in ENGLISH only.
Suitable sketches may be drawn, wherever
required.

SECTION A
1. Write critical notes, within 150 words each, on the following 10x4=40
The working of Global Positioning System

Discontinuities in the Earth's interior

Transcurrent faults
Gravity faults and their types

What is continental drift? Explain the evidence put forward in favour of the theory. How does the plate tectonic theory support t,his 30
Discuss the causes of volcanoes. 10
3. What is mass wasting? Give an account of the process of weathering and its types: 30
How does a geologist study ,the interior of the" Earth? 10
Explain the criteria for the "recognition of geological faults in the field. 25
Discuss the effects of these geological faults. 15

SECTION B
5. Write critical notes, within 150 words each, on the following 10x4=40
Evolution of suture lines in ammonoids
Lameta beds
(c)Principle of lithostratigraphic classification
Fauna and flora during the Gondwana period
Discuss the utility of microfossils in exploration for petroleum. 30
(b)Explain. how foraminifers are useful in palaeoclimatic studies. 10
Give an account of the Aravalli Bundelkhand Province. 25
(b)Explain the evolution of the Himalayas. 15
Write briefly on the economIC importance of Precambrian rocks. 10
Critically examine the evolution of glabella of Trilobites. 10

What are the effects of folds in tunneling Explain the problems related to tunnels constructed near steep slopes. 20



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