Section A
Q1. Answer and/or describe the following in brief with diagrams wherever necessary:
(a) Differentiate between raster and vector data. Discuss their utility in Geology.
(b) Discuss the formation of four different types of sand dunes with relation to sand supply, vegetation and wind.
(c) Differentiate between glacial deposits and fluvial deposits. Discuss three examples each of glacial depositional landforms and fluvial depositional landforms.
(d) In a toposheet 45 D-11 (1:50,000 scale) the distance between two places is 10 cm. What is the actual distance on ground ? What are the other toposheets that occur to N, S, E, W of the above number toposheet? Show in a diagram.
(e) In a horizontal topography, two beds A and B are involved in deformation. Describe the details about the structure and sequence of their development.
(f) Discuss the seismic character of convergent plate boundaries with suitable example.
(g) Karewa Group
(h) Geological Time Scale
(i) Biocoenose and thanatocoenose fossil assemblages
(j) Ecology of diatoms