Geology IAS Paper 1 UPSC 2015 with Solutions
In this article, all questions of Geology Optional Paper 1 are answered. Click on the question links to view the answers.
This article is part of Synopsis IAS Geology Optional Course for UPSC IAS.
Geology Optional Paper 1 UPSC 2015 - Question Paper with Solutions
Click on the links for the solutions
SECTION-A
1. Answer the following in about 150 words each:
Geology 1a Discuss the characteristics and properties of the lithosphere and the asthenosphere. UPSC 2015, 10 Marks
Geology 1b Differentiate between panchromatic, multispectral and hyperspectral images. UPSC 2015, 10 Marks
Geology 1c Using neat diagrams, classify and describe drainage patterns. UPSC 2015, 10 Marks
Geology 1d Using neat sketches, describe the types of faults in relation to the orientation of the stress axes. UPSC 2015, 10 Marks
Geology 1e Discuss the geometric relationship between cleavage and folding. UPSC 2015, 10 Marks
Geology 2a Describe the types of plate boundaries and comment on the nature of seismicity and volcanism associated with them. UPSC 2015, 20 Marks
Geology 2b Describe the landforms produced by wave erosion and from the sediments deposited by longshore currents. UPSC 2015, 15 Marks
Geology 2c What are tectonites? Describe their types and their significance using neat sketches. UPSC 2015, 15 Marks
Geology 3a Using appropriate diagrams, describe Ramsay's classification of folds in detail. UPSC 2015, 20 Marks
Geology 3b Differentiate between the terrestrial and the Jovian planets. UPSC 2015, 15 Marks
Geology 3c Describe various fluvial landforms formed in response to rejuvenation. UPSC 2015, 15 Marks
Geology 4a Compare the geomorphic features along the Eastern and Western coasts of India. UPSC 2015, 20 Marks
Geology 4b Discuss the evolution of the foreland basins along the orogenic belts. UPSC 2015, 15 Marks
Geology 4c What is Mohr's stress diagram? Describe its significance. UPSC 2015, 15 Marks
SECTION-B
5. Write notes on the following in about 150 words each:
Geology 5a Differentiate between a cast and a real shell. UPSC 2015, 10 Marks
Geology 5b Generation of 'Megalospheric' and 'Microspheric' tests in foraminifers. UPSC 2015, 10 Marks
Geology 5c The 'Great Boundary Fault'. UPSC 2015, 10 Marks
Geology 5d Buttress dams. UPSC 2015, 10 Marks
Geology 5e Alkali-aggregate reaction.UPSC 2015, 10 Marks
Geology 6a What are the essential characters of rocks to be considered as a construction material? Add a note on aggregates. UPSC 2015, 20 Marks
Geology 6b Give an account of the evolutionary trends in Equidae: UPSC 2015, 15 Marks
Geology 6c Discuss the Maleri Beds, their faunal content and age. UPSC 2015, 15 Marks
Geology 7a Define biostratigraphy. How does it differ from lithostratigraphy and chronostrati- graphy? Discuss various types of 'Biozones'. UPSC 2015, 20 Marks
Geology 7b Explain the principle of electrical resistivity method in the exploration of groundwater. Add a note on vertical electrical sounding. UPSC 2015, 15 Marks
Geology 7c What is petrifaction? How does it differ from permineralisation? UPSC 2015, 15 Marks
Geology 8a What are conodonts and their major types? Briefly discuss their geological history. UPSC 2015, 20 Marks
Geology 8b Discuss the depositional and climatic conditions during the Siwalik times. UPSC 2015, 15 Marks
Geology 8c Give an account of various types of rainwater harvesting methods. UPSC 2015, 15 Marks