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Geology Paper 1 UPSC 2023 with Solutions

In this article, all questions of Geology Optional Paper 1 are answered. Click on the question links to view the answers.
This article is part of Synopsis IAS Geology Optional Course for UPSC IAS and Indian Forest Services.

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Geology Optional Paper 1 UPSC 2023 - Question Paper with Solutions 

Click on the links for the solutions

 

Geology Q 1. Answer the following questions in about 150 words each:

Geology 1a. Describe the tectonic features and evolution of the 'continental crust'. UPSC 2023, 10 Marks

Geology 1b. Describe the physical and chemical weathering processes. UPSC 2023, 10 Marks

Geology 1c. Describe the Spatial and Spectral resolution of a remote sensor with examples. UPSC 2023, 10 Marks

Geology 1d. Briefly describe the Cataclasite and Pseudotachylite rocks. UPSC 2023, 10 Marks

Geology 1e. Discuss the differences between Symmetrical and Asymmetrical folds with the help of neat diagrams. UPSC 2023, 10 Marks

Geology 2a. Describe the types of radiometric dating techniques used to establish the age of the Earth. UPSC 2023, 20 Marks

Geology 2b.Discuss the different types of interaction of electromagnetic radiation with the atmosphere of the earth and its impact on remote sensing images. UPSC 2023, 15 Marks

Geology 2c. What are joints? Describe the Geometric and Genetic classification of joints with neat diagrams. UPSC 2023, 15 Marks

Geology 3a. Elucidate the types of glacier and illustrate the erosional and depositional features produced by the valley-glaciers. UPSC 2023, 20 Marks

Geology 3b. Discuss the origin, composition and classification of meteorites. UPSC 2023, 15 Marks

Geology 3c. What is a rock cleavage ? Describe the different types of rock cleavages with the help of neat diagrams. UPSC 2023, 15 Marks

Geology 4a. What is a Shear Zone ? Describe the different Shear Sense indicators. UPSC 2023, 20 Marks

Geology 4b. Enumerate the Shepard's classification of coast's and briefly describe the marine cycle of erosion along a shoreline of submergence. UPSC 2023, 15 Marks

Geology 4c. Describe the different types of volcanoes based on mode of the eruption and its associated products. Add a note on positive and negative relief features associated with volcanoes. UPSC 2023, 15 Marks

 

Section B

Geology 5. Answer the following questions in about 150 words each:

Geology 5a. Enumerate the different types of siwalik fauna and discuss their palaeoecology. UPSC 2023, 10 Marks

Geology 5b. Define fossil and give examples of two index fossils each from Palaeozoic, Mesozoic and Cenozoic Era and indicate the age of those index fossils. UPSC 2023, 10 Marks

Geology 5c. Describe the lithology, palaeoenvironment and age of Krol Formation. UPSC 2023, 10 Marks

Geology 5d. Briefly discuss the water-bearing properties of rocks. UPSC 2023, 10 Marks

Geology 5e. What are the engineering properties of rocks that make them suitable for use as building materials? UPSC 2023, 10 Marks

Geology 6a. Elucidate an evolutionary trend of Equidae with Indian occurrence. UPSC 2023, 20 Marks

Geology 6b. Discuss the pre-cambrian/cambrian boundary with Indian examples. UPSC 2023, 15 Marks

Geology 6c. what is "Rainwater harvesting"? Describe its technique with neat sketches. UPSC 2023, 15 Marks

Geology 7a. Describe the stratigraphic sequence of Dharwar Supergroup and add a note on its economic importance. UPSC 2023, 20 Marks

Geology 7b. Elucidate the different types of microfossils and add a note on their composition and applications. UPSC 2023, 15 Marks

Geology 7c. How does an Earthquake occur? Describe the construction patterns of earthquake resistant structures. UPSC 2023, 15 Marks

Geology 8a. Discuss briefly how do chemical, physical and bacteriological properties determine the usability of ground-water. UPSC 2023, 20 Marks

Geology 8b. Establish the ocear palaeobathymetry using marine fossils with the help of labelleddiagram. UPSC 2023, 20 Marks

Geology 8c. Discuss the palaeozoic sequence of Kumaun and Garhwal (Tethyan sequence) Himalaya. Add a note on its fossil contents. UPSC 2023, 15 Marks

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