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Geography

UPSC Geography 2021 — Paper I

All 8 questions from UPSC Civil Services Mains Geography 2021 Paper I (400 marks total). Every stem reproduced in full, with directive-word analysis, marks, word limits, and answer-approach pointers.

8Questions
400Total marks
2021Year
Paper IPaper

Topics covered

Geomorphology, climatology, oceanography, biogeography and ecology (1)Plate tectonics, oceanography and soil degradation (1)Precipitation patterns, maritime security and carbon neutrality (1)Human ecology, watershed management and lightning hazards (1)Social geography, energy transition, agriculture, regional development and settlement geography (1)Development displacement, food security and regional planning (1)Regional delimitation, geopolitics and world cities (1)Radical geography, population aging and industrial location theory (1)

A

Q1
50M 150w Compulsory describe Geomorphology, climatology, oceanography, biogeography and ecology

Answer the following in about 150 words each: (a) Describe the concept of 'Altiplanation'. (10 marks) (b) What are the important factors responsible for airmass modifications? (10 marks) (c) Discuss the hazards associated with rise of sea-surface temperature. (10 marks) (d) Gene pool centres are 'Good Hope' for biodiversity conservation. Elucidate. (10 marks) (e) Describe how ecosystem services of Himalaya are essential for Highland-Lowland sustainability in Asia. (10 marks)

हिंदी में पढ़ें

निम्नलिखित में से प्रत्येक का उत्तर लगभग 150 शब्दों में दीजिए : (a) उच्चस्थ समतलन (अल्टीप्लेनेशन) अवधारणा का वर्णन कीजिए । (10 अंक) (b) वायु संहति रूपान्तरण हेतु उत्तरदायी महत्वपूर्ण कारक क्या हैं ? (10 अंक) (c) सागर-सतह के तापमान में वृद्धि से सम्बन्धित संकटों की विवेचना कीजिए । (10 अंक) (d) जीन कोश केन्द्र जैवविविधता संरक्षण के लिए 'अच्छी आशा' हैं । स्पष्ट कीजिए । (10 अंक) (e) एशिया में उच्चभूमि-निम्नभूमि की स्थिरता के लिये हिमालय की पारिस्थितिकीय सेवाएं कैसे जरूरी हैं, वर्णन कीजिए । (10 अंक)

Answer approach & key points

Framework: Concept > Mechanism > Diagram > Regional Example > Application. (a) describe: define > structure or process in order > labelled diagram > significance | (b) explain: definition/context > points in order > small example > short close | (c) discuss: intro > 3-4 dimensions > example > balanced close | (d) explain: definition/context > points in order > small example > short close | (e) describe: define > structure or process in order > labelled diagram > significance Full marks: Clear mechanism, labelled diagram, specific regional example, and strong causal link to human impact.

  • Definition of Altiplanation (inversion)
  • Mechanism: Cold air drainage to valley floor
  • Labelled diagram of inversion profile
  • Regional example (e.g., Himalayan valleys)
  • Surface temperature (heating/cooling)
  • Surface moisture (evaporation/precipitation)
  • Mechanical mixing (turbulence)
  • Diagram showing modification process
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Q2
50M elaborate Plate tectonics, oceanography and soil degradation

(a) The concept of Plate tectonics has been derived from the isostasy and continental drift theory. Elaborate citing suitable examples. (20 marks) (b) Give a detailed account of bottom topography of the Pacific Ocean. (15 marks) (c) Soil erosion and soil degradation are threat to food supply. Discuss. (15 marks)

हिंदी में पढ़ें

(a) प्लेट विवर्तनिकी की संकल्पना, समस्थिति और महाद्वीपीय अपवाह सिद्धान्त (ड्रिफ्ट थ्योरी) से लिया गया है । उपयुक्त उदाहरण देते हुये विस्तार से बताइये । (20 अंक) (b) प्रशान्त महासागर की तली स्थलाकृति का विस्तार से वर्णन कीजिये । (15 अंक) (c) मृदा अपरदन तथा मृदा निम्नीकरण खाद्य आपूर्ति में खतरा हैं । विवेचना कीजिए । (15 अंक)

Answer approach & key points

Framework: Concept or mechanism > Diagram > Regional example > Application. (a) explain: definition/context > points in order > small example > short close | (b) describe: define > structure or process in order > labelled diagram > significance | (c) discuss: intro > 3-4 dimensions > example > balanced close Full marks: Clear causal chains, precise examples, labelled diagrams, balanced conclusions

  • Define isostasy and continental drift
  • Explain how these theories led to plate tectonics
  • Cite suitable examples (e.g., Himalayas, Atlantic)
  • Show causal link between theories
  • Describe major topographic features
  • Mention trenches, ridges, plains
  • Locate features geographically
  • Explain formation processes
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Q3
50M examine Precipitation patterns, maritime security and carbon neutrality

(a) Examine major influencing factors for varied patterns of precipitations on the continents. (20 marks) (b) Maritime security is being neglected. Indicate the major challenges and suggest solutions in the context of Law of the Sea. (15 marks) (c) Explaining the concept of carbon neutrality, describe the measures taken by carbon positive and negative nations. (15 marks)

हिंदी में पढ़ें

(a) महाद्वीपों पर वर्षण के विविध प्रतिरूपों को प्रभावित करने वाले प्रमुख कारकों का परीक्षण कीजिए । (20 अंक) (b) सामुद्रिक सुरक्षा की उपेक्षा हो रही है । प्रमुख चुनौतियों को इंगित कीजिए और समुद्र नियम के सन्दर्भ में उपाय सुझाइये । (15 अंक) (c) कार्बन तटस्थता अवधारणा की व्याख्या करते हुये, कार्बन धनात्मक और ऋणात्मक राष्ट्रों द्वारा किये गये उपायों का वर्णन कीजिये । (15 अंक)

Answer approach & key points

Framework: Concept > Mechanism > Diagram > Regional Example > Application. (a) examine: intro > how/why with reasoning > evidence > conclusion | (b) challenges: 3-4 challenges > solutions mapped to them > conclusion | (c) describe: define > structure or process in order > labelled diagram > significance Full marks: Clear causal chains, labelled diagrams, specific regional/statutory examples, balanced conclusions.

  • Mechanism of ITCZ and seasonal monsoon shifts
  • Role of pressure belts and prevailing winds
  • Influence of topography (rain shadow effect)
  • Impact of ocean currents and land-sea contrast
  • 3-4 specific security challenges (e.g., piracy, ASW)
  • Solutions mapped to specific challenges
  • Context of UNCLOS (Law of the Sea)
  • Balanced conclusion on security governance
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Q4
50M elaborate Human ecology, watershed management and lightning hazards

(a) With suitable examples, elaborate human ecological adaptations. Explain its impacts on ecology and environment in various parts of the world. (20 marks) (b) Stream basins and drainage divides are important components to delineate a watershed area. Explain. (15 marks) (c) Indicating the causes of lightning, describe the threats associated with it. (15 marks)

हिंदी में पढ़ें

(a) मानव के पारिस्थितिकीय अनुकूलनों का उपयुक्त उदाहरणों सहित विस्तृत विवरण दीजिए। विश्व के विभिन्न भागों में पारिस्थितिकी एवं पर्यावरण पर इसके प्रभावों की व्याख्या कीजिए। (20 अंक) (b) जलसंभर क्षेत्र के निरूपण में सरिता बेसिन और अपवाह विभाजक महत्वपूर्ण अवयव हैं। व्याख्या कीजिए। (15 अंक) (c) तड़ित (लाइटनिंग) के कारणों को इंगित करते हुए, इससे सम्बन्धित खतरों का वर्णन कीजिए। (15 अंक)

Answer approach & key points

Framework: Concept > 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) describe: define > structure or process in order > labelled diagram > significance Full marks: Precise mechanism, labelled diagrams, specific regional examples, and clear causal links.

  • Define human ecological adaptation
  • Explain physiological/cultural adaptation mechanisms
  • Provide specific regional examples (e.g., Andes, Arctic)
  • Analyze impacts on local ecology/environment
  • Define stream basin and drainage divide
  • Explain role of divides in delineation
  • Describe the relationship between the two
  • Include a labelled diagram of a watershed
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B

Q5
50M 150w Compulsory explain Social geography, energy transition, agriculture, regional development and settlement geography

Answer the following in about 150 words each: (a) The interrelationships between social and spatial structure are complex. Explain in the context of socio-spatial dialectic. (10 marks) (b) How is energy transition seen as an instrument for achieving zero carbon by 2050? (10 marks) (c) Protected cultivation assists in healthier and a larger produce. Justify with examples. (10 marks) (d) Explain the processes of contagion and hierarchical diffusion in addressing regional imbalances. (10 marks) (e) Examine the relevance of Central Place Theory of Christaller in the present context. (10 marks)

हिंदी में पढ़ें

निम्नलिखित में से प्रत्येक का उत्तर लगभग 150 शब्दों में दीजिए : (a) सामाजिक एवं स्थानिक संरचना के मध्य अन्तःसम्बन्ध जटिल हैं। सामाजिक-स्थानिक द्वन्द्व के संदर्भ में व्याख्या कीजिए। (10 अंक) (b) सन् 2050 तक शून्य कार्बन को प्राप्त करने हेतु ऊर्जा संक्रमण को एक साधन के रूप में कैसे देखा जाता है ? (10 अंक) (c) संरक्षित कृषि स्वस्थ और बृहद् उत्पाद में सहायता करती है। उदाहरण के साथ सही सिद्ध कीजिए। (10 अंक) (d) प्रादेशिक विषमता संबोधन हेतु संसर्ग एवं पदानुक्रमीय विसरण प्रक्रियाओं की व्याख्या कीजिए। (10 अंक) (e) वर्तमान काल के संदर्भ में क्रीस्टालर के केन्द्रस्थल सिद्धान्त की प्रासंगिकता का परीक्षण कीजिए। (10 अंक)

Answer approach & key points

Framework: Socio-spatial dialectic, Energy transition, Protected cultivation, Diffusion processes, Central Place Theory. (a) explain: definition/context > points in order > small example > short close | (b) explain: definition/context > points in order > small example > short close | (c) justify: claim > 3-4 reasons > evidence > conclusion | (d) explain: definition/context > points in order > small example > short close | (e) examine: intro > how/why with reasoning > evidence > conclusion Full marks: Clear, concise, and directly addresses the command word with specific examples and mechanisms.

  • Define socio-spatial dialectic (social shapes space, space shapes social)
  • Explain how social structures (class, caste) organize space
  • Explain how spatial structures (urban form) constrain social behavior
  • Provide a concrete example of this feedback loop
  • Define energy transition (shift from fossil to renewables)
  • Explain the mechanism of carbon reduction via renewables
  • Mention key sectors (power, transport, industry)
  • Link transition to the 2050 zero-carbon target
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Q6
50M mention Development displacement, food security and regional planning

(a) Development-induced displacement poses serious challenges. Mention its causes, consequences and solutions. (20 marks) (b) Describe the role of accessibility and affordability in food security of developing world. (15 marks) (c) The environmental issues are not adequately addressed in the regional planning. Comment. (15 marks)

हिंदी में पढ़ें

(a) विकास-जनित विस्थापन गम्भीर चुनौतियों को प्रस्तुत करता है। इसके कारणों, परिणामों एवं समाधानों का उल्लेख कीजिए। (20 अंक) (b) विकासशील विश्व की खाद्य सुरक्षा में अभिगम्यता और सामर्थ्य की भूमिका का वर्णन कीजिए । (15 अंक) (c) प्रादेशिक नियोजन में पर्यावरणीय मुद्दों को पर्याप्त रूप से सम्बोधित नहीं किया जाता है । टिप्पणी कीजिए । (15 अंक)

Answer approach & key points

(a) challenges: 3-4 challenges > solutions mapped to them > conclusion | (b) describe: define > structure or process in order > labelled diagram > significance | (c) comment: context > arguments both sides > judgment > close Full marks: Comprehensive causal chains, precise examples, clear diagrams, and balanced judgments.

  • Causes: dams, mining, industrialization, infrastructure
  • Consequences: loss of livelihood, social fragmentation
  • Solutions: Rehabilitation and Resettlement (R&R) policy
  • Diagram: Flowchart of displacement process
  • Define food security (availability, access, utilization)
  • Accessibility: transport, storage, market linkages
  • Affordability: income levels, price volatility
  • Diagram: Food security framework or supply chain
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Q7
50M suggest Regional delimitation, geopolitics and world cities

(a) Suggest criteria, indicators and techniques for delimitation of formal regions. (20 marks) (b) Boundaries are important in geopolitics. Explain. What issues develop from the inclusionary and exclusionary aspects of borders? (15 marks) (c) Small number of mega cities are playing key role in organisation of global economics and culture. Explain. (15 marks)

हिंदी में पढ़ें

(a) औपचारिक प्रदेशों के सीमांकन के मानकों, सूचकों तथा तकनीकों को सुझाइए । (20 अंक) (b) भूराजनीति में सीमाएं महत्त्वपूर्ण हैं, व्याख्या कीजिए । सीमाओं के समावेशी एवं अपवर्जी पहलू से क्या मुद्दे विकसित होते हैं ? (15 अंक) (c) वैश्विक आर्थिक तंत्र एवं संस्कृति के संगठन में कुछ विशाल (मेगा) शहर प्रमुख भूमिका निभा रहे हैं । व्याख्या कीजिए । (15 अंक)

Answer approach & key points

Framework: Concept or mechanism > Diagram > Regional example > Application. (a) suggest: the problem in one line > implementable measures > who acts > conclusion | (b) explain: definition/context > points in order > small example > short close | (c) explain: definition/context > points in order > small example > short close Full marks: Precise definitions, clear distinction between concepts, specific examples, and logical flow.

  • Define formal region (uniformity/homogeneity)
  • List criteria (physical, cultural, economic)
  • Identify specific indicators (e.g., rainfall, language)
  • Explain delimitation techniques (isogons, choropleth)
  • Define geopolitical significance of boundaries
  • Explain inclusionary aspects (access, resources)
  • Explain exclusionary aspects (barriers, sovereignty)
  • Identify issues arising from these aspects
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Q8
50M explain Radical geography, population aging and industrial location theory

(a) Why is radicalism seen as a major paradigm shift in geography? Explain its causes, approaches and criticism. (20 marks) (b) Aging population has adverse social and economic consequences. Explain with examples. (15 marks) (c) Present a critical account of Alfred Weber Theory of industrial location. (15 marks)

हिंदी में पढ़ें

(a) भूगोल में प्रमुख प्रतिमान बदलाव के रूप में अतिवाद को क्यों देखा जाता है ? इसके कारणों, उपागमों तथा आलोचनाओं की व्याख्या कीजिए । (20 अंक) (b) वृद्ध होती आबादी के प्रतिकूल सामाजिक एवं आर्थिक परिणाम होते हैं । उदाहरणों के साथ व्याख्या कीजिए । (15 अंक) (c) ऐल्फ्रेड वेबर के औद्योगिक अवस्थिति के सिद्धांत का समालोचनात्मक विवरण प्रस्तुत कीजिए । (15 अंक)

Answer approach & key points

Framework: UPSC Geography Paper 1 Rubric. (a) explain: definition/context > points in order > small example > short close | (b) explain: definition/context > points in order > small example > short close | (c) critique: the claim > its strengths > its weaknesses > your judgment Full marks: Comprehensive, well-structured, with diagrams and specific examples; critical analysis is sharp.

  • Define radicalism as a paradigm shift in geography
  • Explain causes (e.g., critique of positivism, Marxist influence)
  • Detail approaches (e.g., political economy, social justice)
  • Provide specific criticisms of the radical approach
  • Define aging population and its demographic context
  • Explain adverse social consequences (e.g., healthcare burden, pension strain)
  • Explain adverse economic consequences (e.g., labor shortage, GDP impact)
  • Provide specific examples (e.g., Japan, Germany, or India)
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