UPSC Mains GEOLOGY-PAPER-I 2015

Discuss the characteristics and properties of the lithosphere and the asthenosphere.

Differentiate between panchromatic, multispectral and hyperspectral images.

Using neat diagrams, classify and describe drainage patterns.

Using neat sketches, describe the types of faults in relation to the orientation of the stress axes.

Discuss the geometric relationship between cleavage and folding.

Describe the types of plate boundaries and comment on the nature of seismicity and volcanism associated with them.

Describe the landforms produced by wave erosion and from the sediments deposited by longshore currents.

What are tectonites? Describe their types and their significance using neat sketches.

Using appropriate diagrams, describe Ramsay's classification of folds in detail.

Differentiate between the terrestrial and the Jovian planets.

Differentiate between a cast and a real shell.

Generation of 'Megalospheric' and 'Microspheric' tests in foraminifers.

The 'Great Boundary Fault'.

Buttress dams.

Alkali-aggregate reaction.

What are the essential characters of rocks to be considered as a construction material? Add a note on aggregates.

Give an account of the evolutionary trends in Equidae.

Discuss the Maleri Beds, their faunal content and age.

Define biostratigraphy. How does it differ from lithostratigraphy and chronostratigraphy? Discuss various types of 'Biozones'.

Explain the principle of electrical resistivity method in the exploration of groundwater. Add a note on vertical electrical sounding.

What is petrifaction? How does it differ from permineralisation?

What are conodonts and their major types? Briefly discuss their geological history.

Discuss the depositional and climatic conditions during the Siwalik times.

Give an account of various types of rainwater harvesting methods.