UPSC Mains GEOLOGY-PAPER-I 2018

30 Questions • 430 Marks • With Detailed Model Answers

1
10 Marks150 Wordsmedium
Geomorphology is intimately related to tectonics." Explain with suitable examples.
GeographyGeology
2
10 Marks150 Wordsmedium
What are stream order and mean bifurcation ratio of a drainage basin? Discuss their significance in the morphometric analysis of a drainage basin.
GeographyGeology
3
10 Marks150 Wordsmedium
Discuss about the Circum-Pacific volcanic belt. Which five countries have the highest volcanic threat in terms of human loss?
GeographyGeology
4
10 Marks150 Wordsmedium
Differentiate between True Colour Composite (TCC) and False Colour Composite (FCC). Explain its importance in interpreting remote sensing images.
GeographyScience & Technology
5
10 Marks150 Wordsmedium
Write about different types of unconformities and their significance.
Geology
6
20 Marksmedium
Describe a desert and discuss how a desert is classified. Discuss the morphology of a dune and conditions favouring formation of different dune types.
GeographyGeology
7
15 Marksmedium
Describe the different satellite orbits and their relative advantages.
Science & TechnologyGeography
8
15 Markshard
What are shear zones? Explain diagrammatically the transition from brittle fault to ductile shear at depth.
Geology
9
20 Marksmedium
Describe different types of plate boundaries with suitable sketches.
Geology
10
15 Marksmedium
Describe 'Spectral Signature' and add a note on the spectral reflectance pattern of rocks, vegetation and water bodies.
GeographyScience & Technology
11
15 Marksmedium
What are strain markers? Discuss their significance.
Geology
12
20 Marksmedium
Discuss the mechanism of faulting.
Geology
13
15 Marksmedium
Describe the different types of coastal landforms.
Geography
14
15 Marksmedium
What are meteorites? Discuss different types of meteorites.
Science & TechnologyGeography
15
10 Marks150 Wordsmedium
Discuss the modes of fossilization of hard parts of an organism.
GeologyBiology
16
10 Marks150 Wordsmedium
Microfossils are superior to megafossils in correlation." Comment on the statement.
GeologyBiology
17
10 Marks150 Wordsmedium
State the methods of groundwater exploration.
GeographyScience & Technology
18
10 Marks150 Wordsmedium
Explain the geological considerations for construction of roads in hilly terrain.
GeographyEngineering
19
10 Marks150 Wordshard
Discuss the Precambrian-Cambrian boundary problem in the Indian geological context.
Geology
20
20 Marksmedium
Give an account of evolutionary trends in Proboscidea.
BiologyGeology
21
15 Marksmedium
Lower Gondwana Group
Geology
22
15 Marksmedium
Karewa Group
Geology
23
15 Marksmedium
Krol Group
Geology
24
15 Marksmedium
Give a succinct account of life during Vindhyan times.
GeologyBiology
25
20 Marksmedium
What are the different types of landslides? Discuss their controlling measures.
GeographyEngineering
26
15 Marksmedium
Give a brief account of the stratigraphy of Mesozoic rocks of Kachchh.
Geology
27
15 Marksmedium
Discuss the significance of fossils in paleoclimatic studies.
GeologyBiology
28
20 Marksmedium
Discuss the geological considerations for selection of sites for bridges.
GeographyEngineering
29
15 Marksmedium
What do you understand by spring sanctuaries? Describe the various types of springs.
GeographyScience & Technology
30
15 Marksmedium
Discuss the stratigraphy of the Siwalik supergroup and comment on its vertebrate fossils.
Geology