Geography 2023 Paper I 50 marks 150 words Compulsory Explain

Q1

Answer the following in about 150 words each: (a) What is "Geostrophic Wind"? Explain the relationship between barometric slope and air circulation. (10 marks) (b) What is ocean ranching? How are aqua-cowboys related to such activities? (10 marks) (c) Explain the natural processes of soil enrichment and its impact on food production. (10 marks) (d) How is 'Deep Ecology' as a concept different from 'Shallow Ecology'? Explain. (10 marks) (e) What are the environmental implications of economic geology? Discuss. (10 marks)

हिंदी में प्रश्न पढ़ें

निम्नलिखित में से प्रत्येक का लगभग 150 शब्दों में उत्तर दीजिए : (a) "भू-विषुवती वायु क्या है" ? वायुदाब ढाल एवं वायु परिसंचरण के मध्य सम्बन्ध को स्पष्ट कीजिये । (10 अंक) (b) सागरीय रैन्चिंग क्या है ? एक्वा-काउबॉयस इस तरह की गतिविधियों से कैसे सम्बन्धित होते हैं ? (10 अंक) (c) मृदा समृद्धीकरण की प्राकृतिक प्रक्रियाओं एवं खाद्य उत्पादन पर इसके प्रभाव को स्पष्ट कीजिए । (10 अंक) (d) गहन पारिस्थितिकी (डीप इकोलॉजी) एक संकल्पना के रूप में उथली पारिस्थितिकी (शैलो इकोलॉजी) से किस प्रकार भिन्न है ? स्पष्ट कीजिये । (10 अंक) (e) आर्थिक भू-विज्ञान के पर्यावरणीय प्रभाव क्या हैं ? चर्चा कीजिये । (10 अंक)

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Directive word: Explain

This question asks you to explain. The directive word signals the depth of analysis expected, the structure of your answer, and the weight of evidence you must bring.

See our UPSC directive words guide for a full breakdown of how to respond to each command word.

How this answer will be evaluated

Approach

The directive 'explain' demands conceptual clarity with causal reasoning across all five parts. Allocate approximately 30 words per sub-part (150 words total), spending roughly equal time on each since all carry 10 marks. Structure each part as: definition/identification (1 sentence) → elaboration of process/mechanism (2-3 sentences) → brief implication/example (1 sentence). No conclusion needed for this fragmented format; ensure crisp, exam-focused responses.

Key points expected

  • (a) Geostrophic wind: Define as wind resulting from balance between pressure gradient force and Coriolis force; explain barometric slope as pressure gradient; show how steeper slope intensifies circulation while geostrophic balance produces parallel-to-isobar flow
  • (b) Ocean ranching: Define as open-ocean aquaculture where juvenile fish are released and harvested later; explain 'aqua-cowboys' as entrepreneurs/ranchers managing marine stock without territorial ownership, often in international waters
  • (c) Soil enrichment: Identify natural processes—nitrogen fixation, weathering, organic matter decomposition, flood sedimentation; link to food production through nutrient cycling, soil fertility maintenance, and sustainable agricultural yields
  • (d) Deep vs Shallow Ecology: Contrast anthropocentric resource management (shallow) with Arne Næss's ecocentric philosophy recognizing intrinsic value of all life; note deep ecology's emphasis on population reduction and simple living
  • (e) Economic geology implications: Discuss environmental costs of mineral extraction—land degradation, acid mine drainage, groundwater contamination; mention sustainable mining practices and rehabilitation protocols

Evaluation rubric

DimensionWeightMax marksExcellentAveragePoor
Concept correctness25%12.5Precise definitions across all parts: correctly states geostrophic balance equation (PGF = Coriolis), distinguishes ocean ranching from mariculture, identifies nitrogen fixation as primary enrichment process, accurately contrasts Naess's eight-point platform with shallow reformism, and specifies acid mine drainage mechanismsGenerally correct definitions with minor errors: conflates geostrophic with gradient wind, treats ocean ranching as coastal aquaculture, lists weathering without specifying biological vs chemical, vague distinction between ecology types, generic mention of 'pollution' without specificityFundamental misconceptions: describes geostrophic wind as surface friction-affected, confuses aqua-cowboys with pirate fishing, identifies soil enrichment as exclusively human-induced (fertilizers), equates deep ecology with environmentalism generally, omits specific environmental impacts of mining
Map / diagram15%7.5Includes at least two relevant diagrams: for (a) a four-force diagram showing geostrophic balance with isobars and wind direction; for (c) a simple nitrogen cycle sketch; labels are clear and arrows indicate directionality of forces/processesOne diagram attempted with partial accuracy, or textual description of spatial relationships without visual aid; labels may be incomplete or arrows misleadingNo diagrams despite spatial components; or diagrams that fundamentally misrepresent relationships (e.g., wind crossing isobars at right angles in geostrophic flow, circular nutrient cycles with no inputs/outputs)
Indian regional examples15%7.5Cites specific Indian instances: for (b) mentions ocean ranching initiatives by CMFRI or tuna ranching in Lakshadweep; for (c) references Indo-Gangetic alluvial enrichment or Kerala's laterite soil natural regeneration; for (e) cites Singareni coal mines or Ratnagiri bauxite mining environmental impactsGeneric Indian references without specificity: mentions 'Indian fisheries' or 'Indian soils' without regional identification; or uses appropriate foreign examples when Indian ones are unavailableNo Indian examples where clearly applicable; or factually incorrect attributions (e.g., claiming ocean ranching is widespread in India when still experimental, citing desertification as soil enrichment)
Spatial analysis20%10Demonstrates spatial reasoning: for (a) explains latitudinal variation in geostrophic wind strength due to Coriolis parameter changes; for (b) analyzes spatial requirements of open ocean vs coastal zones; for (e) distinguishes between localized point-source contamination and regional watershed impacts of miningAcknowledges spatial patterns without analytical depth: notes that winds vary by latitude, or that mining affects 'surrounding areas' without specifying distance-decay or diffusion mechanismsAspatial treatment throughout: describes processes as occurring 'everywhere' or 'in the environment' without geographic differentiation; ignores scale entirely
Application / policy25%12.5Connects concepts to governance: for (b) mentions UN FAO Code of Conduct for Responsible Fisheries regarding ranching; for (d) relates deep ecology to Indian Chipko movement or Gadgil-Kasturirangan Western Ghats reports; for (e) cites Mines and Minerals (Development and Regulation) Amendment Act provisions for environmental mitigationBrief policy mention without integration: states that 'regulations exist' or 'sustainable practices should be followed' without naming specific instruments or their limitationsNo policy or applied dimension; or proposes impractical solutions (e.g., banning all mining, eliminating ocean ranching globally) without acknowledging economic trade-offs or existing regulatory frameworks

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