IAS Mains Geography 2016 Paper 1-Section-2 Youtube Lecture Handouts

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Watch video lecture on YouTube: IAS Mains Geography Optional 2016 Solutions: Paper 1 Section A IAS Mains Geography Optional 2016 Solutions: Paper 1 Section A
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IAS Mains Geography 2016 Paper 1

Section B

5 a. “Areal differentiation forms the core theme in Geography.” Explain.

Watch video lecture on YouTube: Areal Differentiation (Hartshorne) & Regional Synthesis (Berry): Prespectives in Human Geography Areal Differentiation (Hartshorne) & Regional Synthesis (Berry): Prespectives in Human Geography
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5 b. Explain ‘Isodapane’.

Lines joining points of equal transport cost

Watch video lecture on YouTube: Weber's Industrial Location Theory & Smith's Concept: Fundamentals of Geography Weber's Industrial Location Theory & Smith's Concept: Fundamentals of Geography
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5 c. Discuss the major characteristics of ‘CBD’.

  • Central Business District – Commercial Center

  • High land values

  • High population density

  • Most accessible

  • Transport hubs of major transport arteries

  • Multi-storey parking

  • Subway systems

  • Pedestrian passage

5 d. Elaborate the idea of ‘Compare’.

  • Given by Derwent Whittlesey

  • Associate physical, biotic & societal environment features functionally with human occupancy

  • Logical arrangement in space & connections

5 e. Discuss the application of Gravity model in Geographical studies.

Watch video lecture on YouTube: 10 Theories of Migration - Fundamentals of Geography 10 Theories of Migration - Fundamentals of Geography
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6 a. Trace the origin and progress of Quantitative Revolution in Geography and bring out its merits and demerits.

Watch video lecture on YouTube: Quantitative Revolution & Locational Analysis: Need for Numbers - Perspectives in Human Geography Quantitative Revolution & Locational Analysis: Need for Numbers - Perspectives in Human Geography
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6 b. Discuss the role of site in determining the types and patterns of rural settlements.

Watch video lecture on YouTube: Exploring the Countryside - Rural Urban Fringe Exploring the Countryside - Rural Urban Fringe
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  • Compact, Semi-Compact or Dispersed

  • Rectangular (fertile plains), Linear (valley and mountains), Circular (lakes and ponds), Semi-circular, Star-like (river terrace), Triangular (cross road), and Nebular Pattern.

6 c. What is a ‘region’? Describe ‘Thiessen’ polygon method of Regional delimitation.

Watch video lecture on YouTube: Concept and Types of Region: Fundamentals of Geography Concept and Types of Region: Fundamentals of Geography
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  • Polygons whose boundaries define area which is closest to each point relative to all other points

  • Connect point to nearest neighbor

  • Establish Triangulated Irregular Network

  • Bisect them perpendicularly

  • Area is Thiessen polygon

  • Help to demarcate planning areas & range of influence of individual areas

7 a. Describe the regional pattern of life expectancy in world & bring out the challenges faced by developing countries due to increasing life expectancy.

Pattern of life expectancy in world Map

Pattern of Life Expectancy in World Map

Pattern of life expectancy in world Map

7 b. Discuss the relevance of ‘Stop and Go Determinism’ in the present day context.

Watch video lecture on YouTube: Determinism (Ratzel), Neo-Determinism and Possibilism (Blache) - 3 Perspectives in Human Geography Determinism (Ratzel), Neo-Determinism and Possibilism (Blache) - 3 Perspectives in Human Geography
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7 c. Define and differentiate between boundaries and frontiers. Describe the geometrical boundaries with suitable examples.

Watch video lecture on YouTube: Units of Political Organization, Frontiers, Boundaries: Fundamentals of Geography Units of Political Organization, Frontiers, Boundaries: Fundamentals of Geography
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8 a. Give a critical account of Losch’s theory of central places.

  • Used hexagonal lattice

  • Forces of concentration brought by specialization & economies of scale

  • Sectors of rich and poor

    Critical account of Losch’s theory of central places

    Critical Account of Losch’S Theory of Central Places

    Critical account of Losch’s theory of central places

8 b. “Linkages between resource-endowed regions & resource-utilizing regions determine pattern of international trade.” Elaborate with suitable examples.

Watch video lecture on YouTube: Types of Trade & Comparative Cost Advantage: Fundamentals of Geography Types of Trade & Comparative Cost Advantage: Fundamentals of Geography
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  • Comparative advantage driven by differences in resource endowments

  • Ricardo’s theory & Ohlin’s theory

8 c. In what ways can geographers contribute towards optimal land use planning in a region?

  • Techniques of landuse planning

  • GIS Remote Sensing

  • Demarcating Planning Areas

  • Cartography

  • Mapping

    Geography and land use planning

    Geography and Land Use Planning

    Geography and land use planning

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