UPSC IFS Geology Optional Paper 2024 Syllabus, Pattern, PYQ Papers

Priyanka November 11, 2024 07:43 5842 0

UPSC IFS Geology Optional Paper 2024 syllabus, latest trends, success rate, and complete overview is provided here. Access Pros and Cons, study materials, strategies, and tips for effective preparation.

UPSC IFS Geology Optional Paper 2024 Syllabus, Pattern, PYQ Papers

UPSC IFS Geology Optional Paper 2024: The UPSC IFS mains exam consists of a total of six papers with a total of 1400 marks. The IFS Mains examination includes two papers: one on English and one on General Knowledge. The remaining four papers (Paper I, Paper II, Paper III, and Paper IV) cover optional subjects that candidates have chosen during the application form-filling process. Since Paper I and Paper II have a maximum of 300 marks each, the remaining 800 marks depend on the optional subjects. It becomes crucial to choose the right optional subject and employ the right strategy so that candidates can score as much as possible. First, we will explore the importance and weightage of options, and then we will analyze the Geology Question Paper as an optional subject.

UPSC IFS Mains Geology Optional Paper 2024 Overview

In the UPSC IFS Mains exam, the Geology Question Paper subject consists of two papers, specifically Paper I and Paper II. Each of these papers carries a weightage of 200 marks, summing up to a total of 400 marks for this optional subject. Among the various optional subjects offered by UPSC in IFS, Geology Question Paper is one of the 14 optional subjects available to candidates.

What does the IFS Mains Exam Geology Optional syllabus include?

Geology Optional  Syllabus
Paper I General Geology 

The Solar System, meteorites, origin, and interior of the earth. Radioactivity and age of the earth; Volcanoes- causes and products, volcanic belts. Earthquakes-causes, effects, earthquake belts, seismicity of India, intensity, and magnitude, seismographs. Island arcs, deep sea trenches, and mid-ocean ridges. Continental drift-evidences and mechanics; seafloor spreading, plate tectonics. Isostasy, orogeny, and epeirogeny, Continents and oceans.

Geomorphology and Remote Sensing

Basic concepts of geomorphology. Weathering and mass wasting. Landforms, slopes, and drainage. Geomorphic cycles and their interpretation. Morphology and its relation to structures and lithology. Applications of geomorphology in mineral prospecting, civil engineering, hydrology, and environmental studies. Geomorphology of Indian subcontinent. Aerial photographs and their interpretation-merits and limitations. The Electromagnetic Spectrum. Orbiting satellites and sensor systems. Indian Remote Sensing Satellites. Satellites data products. Applications of remote sensing in geology. The Geographic Information System and its Applications. Global Positioning System.

Structural geology Principles of geologic mapping and map reading, projection diagrams, stress and strain ellipsoid and stress-strain relationships of elastic, plastic, and viscous materials. Strain markers in deformed rocks. Behavior of minerals and rocks under deformation conditions. Folds and faults classification and mechanics. Structural analysis of folds, foliations, lineations, joints and faults, unconformities. Superposed deformation. Time-relationship between crystallization and deformation. Introduction to petro-fabrics.  

Paleontology Species- definition and nomenclature. Megafossils and Microfossils. Modes of preservation of fossils. Different kinds of microfossils. Application of microfossils in correlation, petroleum exploration, paleoclimatic and paleoceanographic studies. Morphology, geological history and evolutionary trend in Cephalopoda, Trilobita, Brachiopoda, Echinoidea and Anthozoa. Stratigraphic utility of Ammonoidea, Trilobita, and Graptoloidea. Evolutionary trend in Hominidae, Equidae, and Proboscidae. Siwalik fauna. Gondwana flora and its importance.

Stratigraphy and Geology of India 39 Classification of stratigraphic sequences: litho-stratigraphic, biostratigraphic, chronostratigraphic, and magneto-stratigraphic and their interrelationships. Distribution and classification of Precambrian rocks of India. Study of stratigraphic distribution and lithology of Phanerozoic rocks of India with reference to fauna, flora and economic importance. Major boundary problems- Cambrian/Precambrian, Permian/Triassic, Cretaceous/Tertiary, and Pliocene/Pleistocene. Study of climatic conditions, paleogeography, and igneous activity in the Indian subcontinent in the geological past. Tectonic framework of India. Evolution of the Himalayas.

Hydrogeology and Engineering Geology: Hydrologic cycle and genetic classification of water. Movement of subsurface water. Springs. Porosity, permeability, hydraulic conductivity, transmissivity, and storage coefficient, classification of aquifers. Water-bearing characteristics of rocks. Groundwater chemistry. Saltwater intrusion. Types of wells. Drainage basin morphometry. Exploration for groundwater. Groundwater recharge. Problems and management of groundwater. Rainwater harvesting. Engineering properties of rocks. Geological investigations for dams, tunnels, and bridges. Rock as construction material. Alkali-aggregate reaction. Landslides-causes, prevention and rehabilitation. Earthquake-resistant structures.

Paper II Mineralogy 

Classification of crystals into systems and classes of symmetry. International system of crystallographic notation. Use of projection diagrams to represent crystal symmetry. Crystal defects. Elements of X-ray crystallography. Petrological microscope and accessories. Optical properties of common rock-forming minerals. Pleochroism, extinction angle, double refraction, birefringence, twinning, and dispersion in minerals. Physical and chemical characteristics of rock-forming silicate mineral groups. Structural classification of silicates. Common minerals of igneous and metamorphic rocks. Minerals of the carbonate, phosphate, sulfide, and halide groups.

Igneous and Metamorphic Petrology

Generation and crystallization of magma. Crystallization of albite-anorthite, diopsideanorthite and diopside-wollastonite-silica systems. Reaction principle. Magmatic differentiation and assimilation. Petrogenetic significance of the textures and structures of igneous rocks. Petrography and petrogenesis of granite, syenite, diorite, basic and ultrabasic groups, charnockite, anorthosite, and alkaline rocks. Carbonatites. Deccan volcanic province. Types and agents of metamorphism. Metamorphic grades and zones. Phase rule. Facies of regional and contact metamorphism. ACF and AKF diagrams. Textures and structures of metamorphic rocks. Metamorphism of arenaceous, argillaceous, and basic rocks. Minerals assemblages Retrograde metamorphism. Metasomatism and granitisation, migmatites, Granulite terrains of India.

Sedimentology Sedimentary rocks

Processes of formation, diagenesis, and lithification. Properties of sediments. Clastic and non-clastic rocks- their classification, petrography, and depositional environment. Sedimentary facies and provenance. Sedimentary structures and their significance. Heavy minerals and their significance. Sedimentary basins of India.

Economic Geology Ore, ore minerals and gangue, tenor of ore, classification of ore deposits. Process of formation of minerals deposits. Controls of ore localization. Ore textures and structures. Metallogenic epochs and provinces. Geology of the important Indian deposits of aluminum, chromium, copper, gold, iron, lead zinc, manganese, titanium, uranium and thorium, and industrial minerals. Deposits of coal and petroleum in India. National Mineral Policy. Conservation and utilization of mineral resources. Marine mineral resources and Law of Sea.

Mining Geology

Methods of prospecting-geological, geophysical, geochemical, and geobotanical. Techniques of sampling. Estimation of reserves or ore. Methods of exploration and mining metallic ores, industrial minerals, and marine mineral resources. Mineral beneficiation and ore dressing.

Geochemistry and Environmental Geology Cosmic abundance of elements. Composition of the planets and meteorites. Structure and composition of earth and distribution of elements. Trace elements. Elements of crystal chemistry-types of chemical bonds, coordination number. Isomorphism and polymorphism. Elementary thermodynamics. Natural hazards-floods, landslides, coastal erosion, earthquakes, and volcanic activity and mitigation. Environmental impact of urbanization, open cast mining, industrial and radioactive waste disposal, use of fertilizers, dumping of mine waste and fly ash. Pollution of ground and surface water, marine pollution Environment protection legislative measures in India.

UPSC IFS Geology Optional Papers 2018-2023 PDFs Download

UPSC IFS Geology Question Papers from 2018 to 2023 are readily available for aspirants seeking to enhance their preparation. We provided access to the UPSC IFS Geology Question Paper in PDF format, an invaluable resource for your preparation.

Year  Paper
UPSC IFS Geology Question Paper  2018 Download Paper I

Download Paper II

UPSC IFS Geology Question Paper 2019 Download Paper I

Download Paper II

UPSC IFS Geology Question Paper 2020 Download Paper I

Download Paper II

UPSC IFS Geology Question Paper 2021 Download Paper I

Download Paper I

UPSC IFS Geology Question Paper 2022 Download Paper I

Download Paper II

UPSC IFS Geology Question Paper 2023 Download Paper I

Download Paper II

Geology Optional Success Rates in the IFS Exam

The table below offers a comprehensive overview of the success rate achieved by candidates who opted for a Geology Question Paper as their optional.

Year Number of Candidates
Appeared in Interview Recommended Passing (%)
2015 145 41 28.3
2016 140 35 25
2017 133 35 26.3
2018 92 36 39.1
2019 97 44 45.4
2020 90 33 36.7

 

Geology Optional Paper Trends: Embracing Depth and Relevance

  • Shift towards In-Depth Knowledge: Environment and Diversity
    • Recent question papers may test candidates’ depth of knowledge in various topics like environmental management, diversity conservation, etc.
  • Influence of Previous Year Papers: Learn from Past Papers for Higher Scores
    • Many questions are indirectly related to topics previously asked in the preceding years. Therefore, solving questions from previous years will undoubtedly help candidates score well.
  • Current Affairs Impact on Optional Papers: Impact on Optional Paper Questions
    • In recent years, questions have been posed with relevance to current affairs topics. 
  • Back to the Basics Approach: Geology Question Paper Fundamental Advantage
    • In past Geology optional papers, questions haven’t been excessively difficult or beyond the syllabus. Candidates can score well if they have a command of the syllabus and a clear understanding of the subject’s basic fundamentals.

Pros of opting for Geology optional: A Strategic Choice for Exam Success

  • Relevance to IFS: Geology is highly relevant and has direct application to the field of forestry and environmental management. It gives a clear understanding of Earth’s processes, natural resources, and the geological aspects of land and water management.
  • Align with General Studies: Like Geography and history, Geology Question Paper also has areas that overlap with the General Studies paper. This can facilitate integrated preparation and make it easier to revise common topics.
  • Scoring Potential: Geology is generally considered a scoring optional subject. The questions are often straightforward, and if you have a good understanding of the subject, you can secure a decent score.
  • Less Syllabus- Geology has less syllabus so it can easily covered and can be revised multiple times.
  • Availability of Study Material: Geology is a relatively popular optional subject, and as a result, there is a good amount of study material available. This can be helpful for candidates in terms of resource availability.

Cons of opting as an Optional Subject: Syllabus, Complexity, and Career

  • Tough Competition- Due to its concise syllabus it is almost every candidate’s favorite who has prior knowledge of geology so this subject has high competition in the main examination.
  • Technically complex Subject- Geology involves the study of rocks, minerals, and other technical geological processes. If the Candidate doesn’t have a background in earth sciences, the technical complexity of the subject may pose a challenge.

Please note that before selecting Geology as your optional subject, carefully weigh these disadvantages against the advantages and consider your own background, interests, and the time you can dedicate to preparation.

Booklist for Geology Optional: Comprehensive Resources for Success

  • Textbook of Geology by P.K. Mukerjee
  • Principles of Physical Geology by Arthur Holmes
  • Introduction to Mineralogy by William D. Nesse
  • Dana’s New Mineralogy: The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana by Richard V. Gaines,
  • Igneous Petrology by Myron G. Best
  • Sedimentary Petrology: An Introduction to the Origin of Sedimentary Rocks by Maurice E. Tucker
  • Metamorphic Petrology by Bruce Yardley
  • Structural Geology by Haakon Fossen
  • Basic Methods of Structural Geology by Stephen Marshak and Gautam Mitra
  • Invertebrate Paleontology by Raymond C. Moore,
  • Vertebrate Paleontology by Michael J. Benton
  • Stratigraphy: Principles of Sedimentology and Stratigraphy by Sam Boggs Jr.
  • Stratigraphy: A Modern Synthesis by Andrew D. Miall
  • Ore Geology and Industrial Minerals: An Introduction by Anthony M. Evans
  • Introduction to Economic Geology by E.J. Guilbert and Charles F. Park Jr.
  • Environmental Geology by Edward A. Keller
  • Introduction to Geophysics by Seth Stein and Michael Wysession
  • Applied Hydrogeology by C.W. Fetter
  • Remote Sensing and GIS in Geology by Ravi P. Gupta
  • Introduction to Environmental Remote Sensing by Eric C. Barrett
  • Geological Field Techniques by Angela L. Coe
Must Read
NCERT Notes For UPSC UPSC Daily Current Affairs
UPSC Blogs UPSC Daily Editorials
Daily Current Affairs Quiz Daily Main Answer Writing
UPSC Mains Previous Year Papers UPSC Test Series 2024

 

Geology Optional FAQs

Scoring in any subject depends on many factors like availability of resources, guidance, prior knowledge, and the right strategy. If the candidate has all these options accessible then yes any subject is scoring.

There are two papers on Geology each paper divided into two parts.

Yes you can choose both subjects.
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Comprehensive coverage with a concise format
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Designed as per recent trends of Prelims questions
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