C S Mains GEOLOGY (Paper

Answer the following in about 150 words each 10x5=50

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.

2 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.

Describe various fluvial landforms formed in response to rejuvenation.

Compare the geomorphic features along the Eastern and Western coasts of India.

Discuss the evolution of the foreland basins along the orogenic belts.

What is Mohr’s stress diagram? Describe its significance.

5. Write notes on the following in about 150 words each: 10 x 5=50

Differentiate between a cast and a real shell.

Generation of ‘Megalospheric* and ‘Microspheric’ tests in foraminifers.

5 The ‘Great Boundary Fault’.

5 Buttress dams.

5.(e).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 Equidaer

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.