All 8 questions from UPSC Civil Services Mains Geography 2024 Paper I (400 marks total). Every stem reproduced in full, with directive-word analysis, marks, word limits, and answer-approach pointers.
8Questions
400Total marks
2024Year
Paper IPaper
Topics covered
Physical geography - geomorphology, climatology, oceanography, environmental geography (1)Mountain building, climate classification, oceanography (1)Climatology, soil conservation, environmental conservation and biodiversity (1)Environmental conservation, fluvial geomorphology, biodiversity geography (1)Human geography approaches, water resources, urban geography, regional development, economic growth models (1)Urbanization in developing world, spatial analysis, geopolitics and Heartland theory (1)Agricultural geography, transnationalism and diaspora, regional planning (1)Settlement geography and Christaller's theory, industrial geography, population geography (1)
Answer the following in about 150 words each : 10×5=50
(a) What are 'truncated spurs' ? Where and how are they formed ? 10
(b) Formation of temperate cyclone depends on the condition of axis of dilation. Elucidate. 10
(c) With suitable examples explain the factors causing sea level changes. 10
(d) Examine the impacts of social forestry in socio-economic transformation of rural areas. 10
(e) Mountain regions are more fragile to ecological changes. Elucidate. 10
हिंदी में पढ़ें
निम्नलिखित में से प्रत्येक का लगभग 150 शब्दों में उत्तर दीजिए :
(a) 'छिन्नित पर्वत-स्कन्ध' क्या होते हैं ? ये कहाँ और कैसे बनते हैं ? 10
(b) शीतोष्ण चक्रवात का निर्माण फैलाव अक्ष की स्थिति पर निर्भर करता है । स्पष्ट कीजिए । 10
(c) उपयुक्त उदाहरणों सहित समुद्र-स्तर में परिवर्तन लाने वाले कारकों की व्याख्या कीजिए । 10
(d) ग्रामीण क्षेत्रों के सामाजिक-आर्थिक परिवर्तन में सामाजिक वानिकी के प्रभावों का परीक्षण कीजिए । 10
(e) पर्वतीय क्षेत्र पारिस्थितिकी परिवर्तनों के प्रति अधिक भंगुर हैं । स्पष्ट कीजिए । 10
Answer approach & key points
Framework: Concept or mechanism > Diagram > Regional example > Application. (a) explain: definition/context > points in order > small example > short close | (b) explain: definition/context > points in order > small example > short close | (c) explain: definition/context > points in order > small example > short close | (d) examine: intro > how/why with reasoning > evidence > conclusion | (e) explain: definition/context > points in order > small example > short close Full marks: Precise mechanism, labelled diagram, specific examples, causal chain clear.
Definition: steep, triangular faces on the sides of a glacial trough where interlocking spurs were cut off
Formation: pre-glacial V-shaped valley with interlocking spurs; valley glacier cannot bend around them; abrasion and plucking truncate spurs
Result: straight, U-shaped trough with hanging valleys and truncated spurs
(a) Examine the recent views on mountain building process and divide the world mountains on the basis of their genesis. 20
(b) Describe latitudinal distribution of Köppen's classification of world climate. 15
(c) With suitable sketches elaborate the bottom topography of the Indian Ocean. 15
हिंदी में पढ़ें
(a) पर्वत निर्माणकारी प्रक्रिया के नवीनतम दृष्टिकोणों का परीक्षण कीजिए तथा विश्व के पर्वतों को उनकी उत्पत्ति के आधार पर विभाजित कीजिए । 20
(b) विश्व जलवायु के कोपेन के वर्गीकरण के अक्षांशीय वितरण का वर्णन कीजिए । 15
(c) हिंद महासागर की तलीय स्थलाकृति को उपयुक्त रेखाचित्रों द्वारा विस्तार से समझाइए । 15
Answer approach & key points
Framework: Concept or mechanism > Diagram > Regional example > Application. (a) examine: intro > how/why with reasoning > evidence > conclusion | (b) describe: define > structure or process in order > labelled diagram > significance | (c) explain: definition/context > points in order > small example > short close Full marks: Comprehensive mechanism, clear diagrams, specific examples, and strong application.
Shift from geosynclinal/contraction theories to plate tectonics: ocean–continent (Andes), ocean–ocean (island arcs), continent–continent collision (Himalaya, Alps)
50MexplainClimatology, soil conservation, environmental conservation and biodiversity
(a) Explain air masses and associated weather dynamics. How do air masses influence the weather conditions of the Northern Hemisphere ? 20
(b) "Soil erosion is creeping death." Explaining the statement, suggest various soil conservation measures. 15
(c) Perception, Attitude, Value and Emotion (PAVE) are important components for biodiversity and sustainable environmental conservation. Elaborate. 15
हिंदी में पढ़ें
(a) वायु संहितियाँ (राशियाँ) एवं संबंधित मौसम गतिकी की व्याख्या कीजिए । वायु संहितियाँ (राशियाँ) किस प्रकार उत्तरी गोलार्ध के मौसम हालात को प्रभावित करती हैं ? 20
(b) "मृदा अपरदन रेंगती हुई मौत है ।" कथन की व्याख्या करते हुए, मृदा संरक्षण के विभिन्न उपायों को सुझाइए । 15
(c) अनुभूति, अभिवृति, महत्व एवं भावना (पी.ए.वी.ई.), जैव-विविधता एवं सतत पर्यावरणीय संरक्षण के महत्वपूर्ण अवयव हैं । विस्तार से समझाइए । 15
Answer approach & key points
Framework: Concept or mechanism > Diagram > Regional example > Application. (a) explain: definition/context > points in order > small example > short close | (b) suggest: the problem in one line > implementable measures > who acts > conclusion | (c) explain: definition/context > points in order > small example > short close Full marks: Comprehensive mechanism, precise examples, clear diagrams, strong causal links.
Definition and source regions; classification by latitude (A, P, T, E) and surface (c, m); Bergeron's k/w stability suffix
Properties of cA, cP, mP, cT, mT and modification as they move (warming from below, moisture uptake)
Northern Hemisphere effects: cP cold waves over North America and Siberia, lake-effect snow, mT heat and humidity, winter westerly disturbances over NW India, monsoon air-mass shifts
Meaning: slow, cumulative, often unnoticed loss of topsoil, fertility and water-holding capacity leading to land degradation
Types and agents: sheet, rill, gully (ravines of Chambal), wind erosion, coastal erosion; causes (deforestation, overgrazing, faulty tillage)
Scale in India: large share of land degraded (ISRO Desertification Atlas), silting of reservoirs
(a) How is carbon neutrality essential for future environmental conservation ? Describe various efforts taken by nations in this regard. 20
(b) What is a Yazoo stream ? Why are Yazoo basins the areas of repeated flooding ? Give examples of Yazoo stream/areas from various parts of the world. 15
(c) "The latitudinal gradient in species richness is an important geographic trend in biodiversity." Examine the statement. 15
हिंदी में पढ़ें
(a) भविष्य में पर्यावरणीय संरक्षण के लिए कार्बन तटस्थता कैसे आवश्यक है ? इसके संबंध में राष्ट्रों द्वारा किए गए विभिन्न प्रयासों का वर्णन कीजिए । 20
(b) याजू धारा किसे कहते हैं ? याजू द्रोणी बार-बार बाढ़ के क्षेत्र क्यों हैं ? विश्व के विभिन्न भागों से याजू धारा/क्षेत्रों के उदाहरण दीजिए । 15
(c) "प्रजातियों की समृद्धि में अक्षांशीय प्रवणता, जैव-विविधता में एक महत्वपूर्ण भौगोलिक प्रवृत्ति है ।" कथन का परीक्षण कीजिए । 15
Answer approach & key points
(a) describe: define > structure or process in order > labelled diagram > significance | (b) explain: definition/context > points in order > small example > short close | (c) examine: intro > how/why with reasoning > evidence > conclusion Full marks: Comprehensive, accurate, with specific examples and clear reasoning.
Meaning: net-zero CO2 (or GHG) by balancing residual emissions with removals; link to Paris goals of well below 2 °C and 1.5 °C
National efforts: India net zero 2070, updated NDC, LT-LEDS, Carbon Credit Trading Scheme; EU climate law 2050 and CBAM; China peak before 2030 and neutrality 2060; UK/Japan 2050
Current realities: US withdrawal from Paris (effective January 2026) and IRA credit rollbacks; Bhutan carbon-negative; gaps between pledges and action (UNEP emissions gap)
Definition: tributary that runs parallel to the main river on its floodplain, blocked from joining by natural levees, until it finds a gap downstream
Flooding causes: low backswamp position below levee crests, poor drainage and high water table, backwater from the main river in flood, levee breaches, fine sediments
Examples: Yazoo River (Mississippi, about 170 miles parallel before joining near Vicksburg), backswamp streams of the Wakarusa (Kansas); Yazoo-like behaviour in the Ganga plain (Burhi Gandak flowing parallel to the Gandak in an old channel)
Sketch of levee, backswamp and Yazoo channel
Pattern: richness highest in the tropics and declining towards the poles across most taxa, land and sea
Explanations: time and stability (fewer glaciations), energy/productivity, larger tropical area, faster evolutionary rates, niche specialisation and biotic interactions
Exceptions: some taxa peak at mid-latitudes (marine pelagic groups, conifers, aphids), deserts and high mountains break the trend
Answer the following in about 150 words each : 10×5=50
(a) Critically examine the significance of Behavioural Approach in the development of human geography. 10
(b) "While scarcity of water resources are felt locally, but its causes are increasingly global." Comment. 10
(c) Central Business Districts (CBDs) are in decline as the economic core of metropolitan cities. Critically examine. 10
(d) There is a need for gender-sensitive regional development. Elaborate. 10
(e) Explain the theoretical framework and stages of economic growth proposed by Rostow's model. 10
हिंदी में पढ़ें
निम्नलिखित में से प्रत्येक का लगभग 150 शब्दों में उत्तर दीजिए :
(a) मानव भूगोल के विकास में व्यवहारपरक उपागम के महत्व का आलोचनात्मक परीक्षण कीजिए। 10
(b) "हालांकि जल संसाधनों की कमी स्थानीय स्तर पर महसूस होती है, परंतु इसके कारण तेजी से वैश्विक होते जा रहे हैं।" टिप्पणी कीजिए। 10
(c) महानगरों के आर्थिक मूल के रूप में केंद्रीय व्यापार क्षेत्र (सी.बी.डी.) पतन में हैं। आलोचनात्मक परीक्षण कीजिए। 10
(d) लिंग-संवेदनशील प्रादेशिक विकास की आवश्यकता है। विस्तार से समझाइए। 10
(e) रोस्तोव मॉडल द्वारा प्रस्तावित आर्थिक वृद्धि के सैद्धांतिक ढांचे एवं चरणों की व्याख्या कीजिए। 10
Answer approach & key points
Framework: UPSC Geography Paper 1 Rubric. (a) examine: intro > how/why with reasoning > evidence > conclusion | (b) comment: context > arguments both sides > judgment > close | (c) examine: intro > how/why with reasoning > evidence > conclusion | (d) explain: definition/context > points in order > small example > short close | (e) explain: definition/context > points in order > small example > short close Full marks: Precise, critical, and well-structured with specific examples and diagrams.
Origin: reaction to the positivist quantitative revolution (1960s); focus on perception, cognition, decision-making
Contributions: Wolpert's place utility, Pred's behavioural matrix, Lynch and Gould's mental maps, Kirk's behavioural environment, Hägerstrand's diffusion/time-geography
Criticism: individualism, weak attention to structures (class, caste, gender), measurement problems; led to humanistic and structural approaches
Local manifestations: drying wells, urban shortages (Chennai 2019, Bengaluru 2024), groundwater decline in NW India
Global causes: climate change altering rainfall and glacier melt, virtual water trade, global food and commodity demand, transboundary rivers
Local causes that still matter: over-extraction, subsidised power, cropping patterns, pollution, poor governance
Balanced conclusion with multi-scale responses (IWRM, Jal Jeevan Mission, Atal Bhujal, water diplomacy)
Classical CBD: peak land value, accessibility, office/retail concentration (Burgess, Murphy–Vance)
Evidence of decline: suburbanisation, edge cities, polycentric growth, e-commerce, remote/hybrid work, congestion and high rents
Counter-evidence: CBDs retain high-order functions, finance, headquarters, cultural roles; new CBDs (BKC, Gurugram) show relocation not disappearance
Conclusion: shift from monocentric to polycentric structure; CBD's exclusive centrality declines, not its significance
Concept: planning that accounts for gendered roles, access and needs across regions
Evidence of gaps: female labour force participation, sex ratio, literacy, health, land ownership varying across regions (PLFS, NFHS-5)
Why needed: care burdens, mobility and safety, access to credit and land, representation in local planning
Measures: gender budgeting, sex-disaggregated data, women in PRIs, SHGs, safe transport, region-specific programmes
Framework: The Stages of Economic Growth (1960), linear modernisation model; role of investment, leading sectors, entrepreneurship
Five stages: traditional society; preconditions for take-off; take-off (investment rising from about 5% to over 10% of national income, leading sectors, supportive institutions); drive to maturity; age of high mass consumption
Examples: take-off dates (Britain 1783–1802, USA 1843–60, India from 1952 in Rostow's view)
Criticism: Eurocentric, linear, ignores dependency and colonial legacies, stages overlap
50MdiscussUrbanization in developing world, spatial analysis, geopolitics and Heartland theory
(a) The urbanisation process is particularly pronounced in Asia and Africa, where too many urban residents grapple with extreme poverty, exclusion, vulnerability and marginalisation. Discuss. 20
(b) Explain how the physical view of geographical space has impacted the forms of spatial analysis. 15
(c) Explain the Heartland theory with reference to contemporary geopolitical scenario of the world. 15
हिंदी में पढ़ें
(a) शहरीकरण की प्रक्रिया विशेष रूप से एशिया एवं अफ्रीका में स्पष्ट है, जहाँ बहुतायत में शहरी निवासी अत्यधिक गरीबी, बहिष्कार, अतिसंवेदनशीलता एवं हाशिए पर रहने से जूझ रहे हैं। चर्चा कीजिए। 20
(b) स्पष्ट कीजिए कि भौगोलिक स्थान के भौतिक दृश्य ने किस प्रकार से स्थानिक विश्लेषण के प्रारूपों को प्रभावित किया है। 15
(c) विश्व के समकालीन भू-राजनीतिक परिदृश्य के संदर्भ में हृदय-स्थल (हार्टलैंड) सिद्धांत की व्याख्या कीजिए। 15
Answer approach & key points
Framework: Concept or mechanism > Diagram > Regional example > Application. (a) discuss: intro > 3-4 dimensions > example > balanced close | (b) explain: definition/context > points in order > small example > short close | (c) explain: definition/context > points in order > small example > short close Full marks: Comprehensive, well-structured, with specific examples and clear causal links.
Scale: Asia and Africa hold most future urban growth (UN World Urbanization Prospects); Africa urbanising fastest
Drivers: rural push, natural increase in cities, urbanisation without industrialisation (Africa), primacy
Manifestations: informal settlements (over half of Sub-Saharan urban residents; large shares in South Asia), informal jobs, service deficits, tenure insecurity, social exclusion by caste, ethnicity, gender and migrant status
Vulnerability: climate hazards in coastal megacities (Dhaka, Lagos, Mumbai), health risks; responses (PMAY, slum upgrading, SDG 11, New Urban Agenda)
Spatial science: quantitative revolution, locational analysis, distance decay, gravity models, central place and diffusion models, spatial statistics and GIS
Critiques: neglect of human meaning and power; shift to relative and relational space (Harvey), produced space (Lefebvre), thirdspace (Soja)
Impact on newer forms: behavioural, humanistic, radical, feminist and GIScience approaches
Theory (1904 pivot area; 1919 dictum on East Europe, Heartland and World-Island; 1943 revision); inner/marginal and outer crescents
Relevance today: Russia–Ukraine war and NATO expansion in Eastern Europe; Central Asian energy and connectivity; China's BRI and SCO
Limits: Spykman's Rimland, sea power and air/space/cyber power, economic interdependence; Indo-Pacific rise
India's position: INSTC, Chabahar, Central Asia outreach, Quad and maritime strategy
50MexplainAgricultural geography, transnationalism and diaspora, regional planning
(a) Explain the basis of D. Whittlesey's classification of agricultural regions of the world. 20
(b) What is Transnationalism ? Why has the scale and scope of transnational linkages of diaspora multiplied in recent times ? 15
(c) Assess the criteria required for selecting regions for developmental planning. 15
हिंदी में पढ़ें
(a) डी. हिटलेसी के विश्व कृषि प्रदेशों के वर्गीकरण के आधार की व्याख्या कीजिए। 20
(b) पाराष्ट्रीयता क्या है ? हाल की अवधि में प्रवासियों के पाराष्ट्रीय संबंधों का पैमाना एवं दायरा क्यों अत्यधिक बढ़ गया है ? 15
(c) विकासात्मक योजना के लिए प्रदेशों के चयन में अपेक्षित मानदंडों का आकलन कीजिए। 15
Answer approach & key points
Framework: Concept or mechanism > Diagram > Regional example > Application. (a) explain: definition/context > points in order > small example > short close | (b) explain: definition/context > points in order > small example > short close | (c) evaluate: criteria > evidence > balanced judgment Full marks: Precise definitions, clear causal chains, specific examples, and relevant diagrams/maps.
Whittlesey (1936) used five criteria: crop and livestock association; methods of growing crops and raising stock; intensity of labour, capital and organisation and resulting output; disposal of products (subsistence vs commercial); ensemble of farm structures
Thirteen regions: nomadic herding, livestock ranching, shifting cultivation, rudimentary sedentary tillage, intensive subsistence (rice-dominant and without paddy), commercial plantation, Mediterranean, commercial grain, commercial livestock and crop, subsistence crop and livestock, commercial dairy, specialised horticulture
Link of criteria to physical and economic factors (climate, markets, technology)
Evaluation: strengths (functional, global) and limits (static, pre-Green Revolution, ignores policy and globalisation)
Definition: sustained cross-border ties through which migrants live simultaneously in home and host societies (Glick Schiller, Basch)
Drivers: cheap communication and social media, air travel, digital remittances, dual citizenship/OCI, diaspora policies of home states
Scale: India the top remittance recipient (about USD 135 billion in 2024–25); diaspora investment, knowledge networks and philanthropy
Political and cultural links: diaspora diplomacy, identity politics, and concerns (brain drain, long-distance nationalism)
Planning region concepts: homogeneous, nodal/functional and planning regions; administrative convenience
Criteria: resource endowment, level of development/backwardness indicators, homogeneity, functional linkages (nodal), size and viability, environmental carrying capacity and vulnerability, administrative and institutional capacity
Indian practice: agro-climatic zones (15 regions), backward-district identification, Aspirational Districts (2018) and Blocks, hill and tribal area plans
Assessment: trade-off between efficiency and equity, data limits, political considerations
50MdescribeSettlement geography and Christaller's theory, industrial geography, population geography
(a) What is complementary region ? With reference to hierarchy of settlements, describe the different types of complementary regions as proposed by Christaller. 20
(b) Analyse the spatial changes and emerging patterns of semiconductor manufacturing in the world. 15
(c) "In developed countries, migration rather than fertility will be the main driver of population dynamics over the next few decades." Examine the statement. 15
हिंदी में पढ़ें
(a) पूरक प्रदेश क्या है ? अधिवासों के पदानुक्रम के संदर्भ में, क्रिस्टलर द्वारा प्रतिपादित विभिन्न प्रकार के पूरक प्रदेशों का वर्णन कीजिए। 20
(b) विश्व में सेमीकंडक्टर के विनिर्माण में स्थानिक परिवर्तनों एवं उभरते प्रतिरूपों का विश्लेषण कीजिए। 15
(c) "विकसित देशों में आने वाले कुछ दशकों तक जनसंख्या गतिकी में प्रजनन के बजाय प्रवास मुख्य चालक होगा।" कथन का परीक्षण कीजिए। 15
Answer approach & key points
Framework: Christaller's Central Place Theory. (a) describe: define > structure or process in order > labelled diagram > significance | (b) analyse: intro > causes > effects > stakeholders/linkages > way forward | (c) examine: intro > how/why with reasoning > evidence > conclusion Full marks: Precise definitions, clear diagrams, specific examples, and strong causal links.
Definition: the area a central place serves and draws customers from; bounded by range, sustained by threshold; hexagonal under the model's assumptions
Hierarchy: Marktort to Landeshauptstadt; higher orders supply all lower-order goods; nesting of regions
Three principles: market K=3 (corner places shared by three), transport K=4 (side midpoints on routes shared by two), administrative K=7 (wholly nested); settlement counts per level
Labelled hexagon diagram for the K-systems
Historical shift: US-integrated production to East Asian assembly, then Japan, Korea and Taiwan; foundry–fabless split (TSMC 1987)
Current concentration: Taiwan in leading-edge logic, Korea in memory, Netherlands (ASML) in EUV, Japan in materials/equipment, US in design/EDA; China in mature nodes and assembly
Emerging: CHIPS Act (2022), EU Chips Act (2023), Japan subsidies (Kumamoto, Rapidus); US export controls since 2022; Southeast Asian OSAT growth
India: Semiconductor Mission (2021, ₹76,000 crore), Tata–PSMC Dholera fab, Micron and other ATMP units; first domestic chips in 2025
Below-replacement fertility and ageing (EU about 1.4, Japan 1.2, South Korea 0.72); natural decrease in several countries
Evidence: UN WPP 2022 on high-income countries (migration exceeded natural increase in 2000–2020 and will be the sole driver of growth); Canada, Germany, UK, Australia, US
Effects: labour supply, dependency ratio, urban growth, diversity
Limits: restrictive regimes (Japan, Korea) still shrinking, politically volatile inflows, migrants age and fertility converges; fertility still shapes age structure