1. Write critical notes, within 150 words each, on the following 8x5=40
(a) Seafloor spreading ·
(b) Richter scale and modified Mercalli scale Stereographic projection
(d) Flinn diagram Multispectral scanner (MSS)
2. · Describe different radioactive methods applied for determination of the age of the earth.
(b) What are aerial photographs? Discuss their utility in interpretation of geological structures and important rock types. 15
(c) Define stress and strain, and write on the behaviour of rocks under deformation condition. 10
3. Critically evaluate the I role of lithology and structure in the development of landforms. 15 Write on the causes of earthquake. Describe briefly the earthquake belts of the world and seismic zones of India. 15
(c) Define foliation. How· does foliation help to decipher associated major structures? Explain.. 10
4. Describe the genetic classification of faults based on the nature of relative movement.
{b) Explain the theory of plate tectonics. Describe different kinds of plate boundaries. Write briefly on Geographic Information System (GIS). How is GIS applied in environmental monitoring? 10

SECTION-B

5. Write critical notes, within 1 so words each, on the following :8x5=40

(a) Use of microfossils in correlation and paleoclimatic study
(b) Magnetostratigraphy and paleomagnetism
(c) Hypsometric analysis of drainage basin
(d) Belt of schuppen Subathu beds and their equivalents
6. (a)Discuss the evolutionary trends of Trilobites during Lower Paleozoic Era.
(b)Discuss the Cretaceous/Tertiary boundary problem in Indian stratigraphy.
(c)Describe the salient geological features required for selection of a tunnel site.

7. Describe the stratigraphic succession and paleontology of the Jurassic rocks of Kutch. 15·
(b) Describe briefly the Siwalik fauna. Add a note on evolution of Hipparion and Equus during the Siwalik Period. 15
(c) What are the causes of landslide? Mention about the preventive measures of landslide giving Indian examples. 1O

8. Critically evaluate the processes and rock properties to be considered for artificial recharge of groundwater. 15
(b) Write on evolution of the Himalayas based on modem concepts.
(c) Describe precisely the evolutionary trends of the tabulate corals.