Geology i Mains 12

8/12/2019 Geology i Mains 12

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Si N DTN M HFMAGEOLOGYPaperI

Time Allowed : Three Hours Maximum Marks : 300

INSTRUCTIONSEach question is printed both in Hindi and in English.Answers must be written in the medium specified in theAdmission Certificate issued to you which must be statedclearly on the cover of the answer-book in the spaceprovided for the purpose. No marks will be given for theanswers written in a medium other than that specified inthe Admission Certificate.Candidates should attempt Question Nos. 1 and 5 whichare compulsory, and any three of the remaining questionsselecting at least one question from each Section.Marks carried by each question are indicated at the end ofthe question.Draw diagrams, wherever necessary.Important Note Whenever a question is being attempted,all its parts/sub-parts must be attempted contiguously. Thismeans that before moving on to the next question to beattempted candidates must finish attempting all parts/sub-parts of the previous question attempted. This is to bestrictly followed.Pages left blank in the answer-book are to be clearly struckout in ink. Any answers that follow pages left blank may notbe given credit.

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SectionA

1. Write critical notes on the following in about150 words each : 2x5=60(a) Modified seismic zonation map of India(b) Davis cycle of erosion(c) Major tectonic landforms of the world(d) Aerial photograph versus topographic

mape) Effect of time on rock deformation

2 Describe the following in about 250 wordseach : 0x3=60(a) Circum-Pacific belt(b) Characteristics of Tsunami waves(c) Spreading ocean ridges

3 Discuss the following in about 250 wordseach : 0x3=60(a) Geomorphic features along east coast

of India(b) Components of the electromagnetic

spectrum(c) Lunar remote sensing using

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F DTN M HFMA/ 13


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4 Write notes on the following in about250 words each : 0x3=60(a) Orientation of stress ellipsoid and thetypes of faults(b) Classification of folds based on dip

isogon(c) Intragranular movements in plastic

deformation of rocks

SectionB5 Write critical notes, in about 150 words each,

on the following : 2x5=60(a) Distribution of trilobites in different

geological periods(b) Diamondiferous strata of India(c) Volcanism in India(d) Quality classification of irrigation water(e) Criteria for selecting suitable building

stone6 Explain the following in about 250 words

each : 0x3=60(a) Uses of fossils(b) Classification of foraminifera based on

structure and composition of the shell(c) Life in pre-Cambrian time

F-DTN-M-HFMA/13


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7. Answer the following in about 250 wordseach : 0x3=60(a) Give an account of the relationshipbetween different kinds of stratigraphic

units.(b) What are the economic deposits

associated with the Tertiary rocks ofIndia? List them and briefly describeeach of them.

(c) Enumerate the petrological character-istics of the Deccan Traps.

8. Answer the following in about 250 wordseach : 0x3=60(a) How are aquifers classified? Briefly

describe each type.(b) Explain the influence of folding in the

foundation rocks of a dam site and intunnels.

(c) What are the preventive measuresadopted for landslides? Explain thembriefly.

F-DTN-M-HFMA/13


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F D T N M H F M A

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Geology i Mains 12