Geography 2022 Paper I 50 marks Explain

Q8

(a) How migration is affected by push and pull factors? Explain how these factors play a role in understanding new settlement patterns. (20 marks) (b) Explain the relevance and applicability of Von Thunen theory of Agriculture-location in today's world. (15 marks) (c) Discuss the concept of 'Rank-Size-Rule' given by G. K. Zipf. Is this rule relevant in Indian context? (15 marks)

हिंदी में प्रश्न पढ़ें

(a) अभिकर्ष एवं धक्का के कारक किस प्रकार प्रवास को प्रभावित करते हैं ? नवीन बस्ती प्रतिरूपों को समझने में उपरोक्त कारक किस प्रकार की भूमिका प्रस्तुत करते हैं ? (20 अंक) (b) वर्तमान विश्व में वॉन थ्यूनन के कृषि-स्थान सिद्धांत की प्रासंगिकता एवं प्रयोज्यता की व्याख्या कीजिए | (15 अंक) (c) जी. के. जिप्फ द्वारा दिए गए 'कोटि-आकार-नियम' संकल्पना की चर्चा कीजिए | क्या यह नियम भारतीय संदर्भ में प्रासंगिक है ? (15 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 clear causal reasoning and elaboration of mechanisms. Structure: brief introduction defining migration, agricultural location theory, and urban hierarchy; body with ~40% word allocation to part (a) on push-pull factors and settlement patterns, ~30% each to part (b) on Von Thunen's model with modern modifications, and part (c) on Rank-Size-Rule with Indian urban data; conclusion synthesizing how spatial theories guide regional planning. Use diagrams for (b) and (c), and contemporary Indian examples throughout.

Key points expected

  • Part (a): Distinguish push factors (environmental degradation, conflict, unemployment) from pull factors (economic opportunities, amenities, social networks); explain Lee's migration model and intervening obstacles; analyze how these produce new settlement patterns including counter-urbanization, peri-urban growth, and transnational ethnic enclaves.
  • Part (a): Apply to Indian contexts—rural-urban migration to Mumbai/Delhi, climate-induced migration from Bundelkhand, NE ethnic migration patterns; discuss how push-pull dynamics create informal settlements, satellite town development, and remittance-dependent regions.
  • Part (b): State Von Thunen's assumptions and concentric zone model (intensive horticulture to extensive grazing); explain distance decay and transport cost as locational determinants; discuss modifications for irrigation, refrigeration, industrial agriculture, and global commodity chains.
  • Part (b): Evaluate applicability to India—Punjab-Haryana wheat belt vs. Kerala's commercial crops, peri-urban vegetable farming around metros, contract farming deviations; note limitations from government pricing, MSP, and fragmented landholdings.
  • Part (c): Define Zipf's Rank-Size-Rule (Pr × r = K) and primate city exception; explain mathematical regularity and deviations (primate, binary, log-normal distributions); discuss Christaller's central place theory connection.
  • Part (c): Assess Indian relevance—primate city dominance of Mumbai, Delhi, Kolkata; emergence of million-plus cities challenging rank-size regularity; compare with USA's conformity; discuss NCR, Mumbai-Pune corridor, and smart city policy implications.

Evaluation rubric

DimensionWeightMax marksExcellentAveragePoor
Concept correctness20%10Precise definitions of Ravenstein's laws, Lee's model, Von Thunen's rent theory, and Zipf's formula; accurate distinction between push-pull and intervening variables; correct mathematical statement of rank-size relationship; no conflation with unrelated theories.Basic definitions present but incomplete—e.g., mentions push-pull without Lee's framework, describes Von Thunen's zones without rent gradient logic, or states Zipf's rule without the inverse relationship formula.Fundamental errors—treats push-pull as mutually exclusive, confuses Von Thunen with Weber's industrial location, or describes rank-size as population equality between cities.
Map / diagram20%10For (b): hand-drawn Von Thunen concentric zones with proper labeling of crops, transport gradients, and market center; for (c): rank-size log-log plot showing Indian city distribution against theoretical line; for (a): migration flow map or Lee's model diagram; all titled, neat, and integrated with text.One relevant diagram (typically Von Thunen) with basic zones but missing gradients or scale; OR describes diagrams in text without drawing; maps lack directional flow arrows or proper legend.No diagrams despite clear scope; OR irrelevant sketches (e.g., population pyramid for migration); messy untitled drawings that confuse rather than clarify.
Indian regional examples20%10For (a): specific corridors—Bihar-Delhi, Odra-Mumbai, climate refugees from Marathwada; for (b): Punjab's rice-wheat belt, Nashik grape farms, peri-urban Bangalore vegetables; for (c): primate Delhi vs. secondary cities tier, Chennai-Bangalore-Hyderabad comparison with data.Generic mentions of 'rural-urban migration in India' or 'farming near cities' without specific states/districts; cites Mumbai/Delhi for (c) without analytical comparison to rank-size prediction.No Indian examples; OR only token mention unrelated to question (e.g., Himalayan rivers for migration); exclusively Western examples (Midwest USA for Von Thunen).
Spatial analysis20%10For (a): analyzes distance decay in migration streams, gravity model application, and spatial diffusion of settlement types; for (b): explains rent gradient, bid-rent curves, and spatial competition between land uses; for (c): interprets slope of rank-size curve, identifies primate city dominance spatially.Describes spatial patterns without analytical tools—mentions 'cities grow' or 'farms located near markets' without distance, scale, or agglomeration concepts; no quantitative spatial reasoning.Aspatial treatment—discusses migration as purely social phenomenon, agriculture as economic without location, cities as demographic units without spatial hierarchy; confuses temporal and spatial patterns.
Application / policy20%10For (a): links to National Migration Policy, MGNREGA as push mitigation, Smart Cities as pull management; for (b): precision agriculture, food parks, and MSP's distortion of Von Thunen patterns; for (c): Smart Cities Mission addressing urban hierarchy, regional planning for polycentric development.Generic policy mention—'government should control migration' or 'better planning needed' without specific scheme names or mechanism explanation; OR describes policies without linking to theoretical framework.No policy dimension; OR irrelevant policies (e.g., foreign policy for migration); purely theoretical answer with no contemporary relevance or planning application.

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