IFS-2007: Geology
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Paper-I
Section A
- Write critical notes, within 150 words each, on any four of the following:
- Solar System (10) .
- Landforms (10) .
- Aerial photographs and their interpretation (10) .
- Unconformities (10) .
- Weathering and Mass-Wasting (10) .
- What are volcanoes? Discuss volcanic eruptions with special reference to India (40) .
- Answer the following questions
- Discuss in detail the basic concepts in geomorphology. Illustrate your answer with suitable Indian examples (20) .
- Geographical Information System and its applications (20) .
- Discuss in detail the principles of geologic mapping and map reading (40) .
Section B
- Write critical notes, within 150 words each, on any four of the. Following:
- Microfossils (10) .
- Evolution of the Himalaya (10) .
- Lithostratigraphic classification of strata (10) .
- Rainwater harvesting (10) .
- Rocks as construction material (10) .
- Discuss in detail the evolutionary trends of Trilobita. Illustrate your answer with neat sketches (40) .
- Answer the following questions
- Discuss the stratigraphic distribution and lithology of the Siwalik Group (20) .
- Discuss in brief igneous activity in India during the geologic past (20) .
- Answer the following questions
- Discuss the various water-bearing characteristics of rocks. Give suitable examples (20) .
- Discuss the various geological investigations you shall undertake before and during construction of a bridge (20) .
Paper-II
Section A
- In about 150 words each, write on any four of the following: (l0 × 4 = 40)
- Use of projection diagrams to represent crystal symmetry.
- Twinning in minerals.
- Magmatic differentiation.
- Heavy minerals and their significance.
- ACF and AKF diagrams.
- Define Inosilicates. Giving their general characters, describe the minerals of pyroxene group (40) .
- Answer the following questions
- Describe the crystallization of two-component system of Anorthite-Albite with solid solutions (20) .
- What is understood by metamorphism in geology? List different types of metamorphism. Discuss any one type with suitable examples (20) .
- Enumerate and explain the formation of different types of sedimentary structures. Write an account on their significance (40) .
Section B
- Attempt any four answering in about 150 words each: (10 × 4 = 40)
- Pneumatolysis in ore geology.
- Environmental impact of use of fertilizers.
- Environmental impact assessment (EIA) in mining.
- Graphical methods of estimation of ore reserves.
- Thermodynamic principles.
- Answer the following questions
- Give an account of the nature and occurrence of Pb-Zn deposits of either of the following in Rajasthan: (20)
- Zavar mines
- Rampura-Agucha.
- Explain secondary (supergene) enrichment. Describe the physical and chemical factors that control above process (20) .
- Give an account of the nature and occurrence of Pb-Zn deposits of either of the following in Rajasthan: (20)
- Enlist various methods of prospecting of ore. Discuss in detail the sub-surface methods of exploration for copper and groundwater bodies (40) .
- Answer the following questions
- What are Meteorites? Give their classification. Explain in detail their characters (20) .
- Describe the environmental impact due to an open-cast mine in the coalfields of India. What remedial measures are being adopted there (20) ?