Geology IFS Paper 1 UPSC 2022 with Solutions

Geology Optional Paper 1 UPSC 2022 - Question Paper with Solutions 

Click on the links for the solutions

SECTION A

1. Answer the following within 150 words each:

Geology 1a Distinguish between the Pratt, Airy, and Vening Meinesz isostasy models. How can perfect isostatic equilibrium be attained? (IFS 2022/8 Marks)

Geology 1b Elucidate the erosional features of aeolian landforms. (IFS 2022/8 Marks)

Geology 1c Distinguish between the Wulff and Schmidt net used in creating projection diagrams. Add a note on their relative advantages and disadvantages. (IFS 2022/8 Marks)

Geology 1d Describe False Colour Composite (FCC) data products and their interpretation basics. (IFS 2022/8 Marks)

Geology 1e Mark the different seismic zones on the outline map of India. (IFS 2022/8 Marks)

Geology 2a Discuss the characteristics and location of global volcanic belts. On an outline map of the World, show the volcanic belts by hatch marks over the terrain. (IFS 2022/15 Marks)

Geology 2b Explain how parasitic folds are used in interpreting large-scale folding. (IFS 2022/10 Marks)

Geology 2c Critically evaluate the different theories of origin of Earth and explain in detail the most accepted theory. Illustrate your answer with suitable sketches. (IFS 2022/15 Marks)

Geology 3a Critically assess the role of geomorphology in evaluating the ancient and modern hydrological regime of a terrain. Elucidate your answer by taking examples from Indian fluvial systems. (IFS 2022/15 Marks)

Geology 3b Discuss the spectral range, ground resolution and image swath of IRS series sensors. (IFS 2022/10 Marks)

Geology 3c Describe the deformation mechanisms of minerals and rocks, and add a note on their characteristic features. (IFS 2022/15 Marks)

Geology 4a Explain with the help of sketches how microstructures in porphyroblasts can be used to determine post-crystallization deformation. List five other features which are also indicative of such deformation. (IFS 2022/15 Marks)

Geology 4b Describe the Low Earth Orbit (LEO) satellites and their typical applications. (IFS 2022/10 Marks)

Geology 4c Define tectonites and describe the three types of tectonites with examples. Explain how each type of tectonite can be used to decipher strain. (IFS 2022/15 Marks)

SECTION B

5. Answer the following within 150 words each:

Geology 5a Explain the effects on the dead organism before burial. (IFS 2022/8 Marks)

Geology 5b Describe the different concepts of zone. (IFS 2022/8 Marks)

Geology 5c Discuss the lithology of Krol Formation and add notes on age and fossil contents. (IFS 2022/8 Marks)

Geology 5d Discuss in brief different geological formations as aquifers. (IFS 2022/8 Marks)

Geology 5e Enumerate the probable causes of landslides and add a note on the preventive measures for landslides. (IFS 2022/8 Marks)

Geology 6a Describe the stratigraphy of Dharwar Craton. Explain the tectonic boundary of Dharwar Craton. (IFS 2022/15 Marks)

Geology 6b Describe the different types of thermal springs. Add a note on the current utility of these geothermal resources. (IFS 2022/10 Marks)

Geology 6c Discuss in brief the evolutionary trends in Hominidae. (IFS 2022/15 Marks)

Geology 7a Describe the morphology of trilobites with the help of neatly labelled diagrams. Comment on their geological history and stratigraphic importance. (IFS 2022/15 Marks)

Geology 7b Explain the term Gondwana and its classification. Add notes on its sedimentation and palaeoclimate. (IFS 2022/10 Marks)

Geology 7c Describe the utility of drainage basin morphometric indices in evaluating the tectonic impact in fluvial geomorphology. (IFS 2022/15 Marks)

Geology 8a Elucidate the important physical properties of rocks tested for different civil engineering uses. (IFS 2022/15 Marks)

Geology 8b Describe the important groups of microfossils, their composition and applications. (IFS 2022/10 Marks)

Geology 8c Discuss the Palaeozoic sequence of Kumaun-Garhwal Himalaya and its fossil contents. (IFS 2022/15 Marks)