22/09/2026
WBCS Geography Optional 2025
কী কী বিষয় থাকে পরীক্ষায় তার বিস্তারিত আলোচনা
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Paper I — Principles of Geography
Group A: Physical Geography
1. Geomorphology
Earth’s crust: nature, composition, sial–sima
Interior structure: crust, mantle, core; seismic evidence
Continents & ocean basins: origin, distribution, permanency debate
Isostasy: Pratt, Airy, Heiskanen, Holmes
Continental drift: Wegener — evidence & criticism
Plate tectonics: types of plates, margins, sea-floor spreading, paleomagnetism
Earth movements: orogenic vs epeirogenic; folding, faulting, earthquakes, volcanoes
Fundamental concepts: uniformitarianism, catastrophism, structure–process–stage
Weathering: physical, chemical, biological; factors
Mass wasting: types, causes, landforms
Fluvial landforms: erosion, transportation, deposition; valleys, terraces, floodplains, deltas
Glacial landforms: alpine vs continental; erosional & depositional
Aeolian landforms: erosion & deposition in arid regions
Coastal landforms: waves, tides, erosional & depositional coasts
Karst landforms: limestone solution, caves, sinkholes, polje
Landscape evolution: Davis, Penck, King; cyclic vs non-cyclic
Global hydrological cycle
2. Climatology
Atmosphere: composition, layered structure
Weather vs climate; controlling factors
Insolation & heat budget; latitudinal heat imbalance
Temperature distribution; inversion
Pressure belts & general circulation
Planetary winds, local winds
Jet streams; monsoon mechanism (thermal + dynamic + jet + Walker)
Humidity, condensation, cloud types
Precipitation types & world pattern
Air masses: source regions, classification
Fronts: types & associated weather
Tropical cyclones; extra-tropical cyclones
Thunderstorms & tornadoes
Climatic classification: Köppen, Thornthwaite, Trewartha — principles & application
Global climate change: greenhouse effect, impacts, international efforts
3. Oceanography
Origin of continents & ocean basins (linked to geotectonics)
Bottom topography: Indian, Pacific, Atlantic
Continental shelf, slope, rise; submarine canyons
Coral reefs & atolls: types, theories (Darwin, Daly, Murray)
Ocean currents: warm/cold; Indian, Pacific, Atlantic systems
Temperature, salinity, density of sea water
T–S diagram & water masses
Ocean deposits: terrigenous, pelagic, cosmogenous
Marine resources: biotic, mineral, energy
4. Environmental Geography
Biosphere: nature & composition
Ecosystem concepts: production, decomposition, homeostasis
Energy flow, productivity
Food chain, food web, trophic levels
Ecological niche, ecological pyramids
Ecological crisis
Ecosystem principles & components
Bio-energy cycles & biogeochemical cycles (C, N, P, water)
Major world ecosystems: forest, grassland, desert, marine, mountain
Environmental degradation & conservation
Pollution: land, water, air, noise
Natural hazards & disasters: characteristics, mitigation, global efforts
5. Cartography
Earth as a cartographic problem: size, shape (geoid)
Coordinate systems: latitude, longitude, grids
Scale: RF, statement, graphical
Map projections: properties (conformality, equivalence, equidistance)
Polar zenithal, conical, cylindrical, conventional (normal case)
Thematic mapping: types & techniques (choropleth, isopleth, dot, flow)
Surveying: chain, plane table, dumpy level
GPS principles
Remote sensing: nature, EMR, platforms, sensors, resolution
GIS: evolution, components, functionality
Group B: Human Geography
6. Economic Geography
Resource: concept, classification, theories
Agriculture location:
Intensive subsistence (monsoon lands)
Extensive commercial farming (temperate)
Plantation (tropics)
Dairy farming (temperate grasslands)
Lumbering, fishing
Mining: coal, petroleum, iron ore
Power: hydel, nuclear
Manufacturing: iron & steel, aluminium, cotton textile
Models: Von Thünen (land use); Weber, Hoover, Pred (industry)
Economic systems & landscape: Rostow, Myrdal, Isard
Global economic blocs: EU, NAFTA/USMCA, ASEAN, SAARC — patterns & functions
7. Population Geography
Factors & measures of growth (CBR, CDR, TFR, NRR)
Theories: Malthus, Neo-Malthusian, Optimum, socio-economic, biological/natural, Demographic Transition
World population growth pattern
Migration: types, Ravenstein, Lee, Zelinsky; social consequences
Distribution & density: global pattern
Composition: age–s*x structure, occupational structure
8. Social & Political Geography
Space: absolute vs relative
Social structure: stratification & differentiation
Social processes: segregation, adaptation, assimilation, integration
Heartland (Mackinder) & Rimland (Spykman)
Boundaries & frontiers: types, functions, disputes
9. Settlement Geography
Origin & growth of settlements
Rural settlements: function, morphology, types, patterns
Urban growth & urbanisation
Town/city classification, functions, morphology
Urban models: Burgess, Hoyt, Harris–Ullman, Mann
Urban gradients & densities
Residential areas: patterns & processes
C*D: characteristics, delimitation, change
Christaller’s Central Place Theory; Rank-size rule
Urban field & inter-urban movement
10. Regional Development & Planning
Region: concept, types, methods of regionalisation
Regional diversity & development disparity
Role of resources, technology, information, agri, industry, transport, trade
Theories: Perroux (growth pole), Isard
Regional planning: principles & types
Environment in regional planning; sustainable development
Planning regions: concept & delineation
State as planning unit; micro-level planning (India)
Paper II — Regional Geography
Group A: Geography of India
1. Physical Geography
Location & space relations with neighbours
Geological structure & relief / physiographic divisions
Climate: monsoon mechanism, seasons, rainfall pattern, climatic regions
Drainage: Himalayan vs Peninsular; major basins
Soils: types, distribution, problems
Natural vegetation: types, distribution, conservation
2. Resource Base
Land / soil: distribution, use, conservation
Freshwater: availability, use, conservation
Inter-state & trans-boundary water disputes
Minerals: iron ore, manganese, bauxite, mica
Energy: coal, oil, natural gas
Non-conventional: wind, tidal, solar
Biotic resources
3. Economy
Indian agriculture: nature & characteristics
Agricultural development through Plans
Green Revolution: features, impact, limitations
Crops: rice, wheat, jute, cotton, tea, coffee — distribution & ecology
Agricultural regions
Industrial policy & development through Plans
Locational dynamics
Industries: iron & steel, aluminium, engineering, oil refining, cotton textile, jute, sugar, paper, cement, automobile
Transport: road, rail, water, air
Trade: national & foreign (especially SAARC & ASEAN); trade balance
4. Population
Population as a resource
Population–development relationship
Growth: spatial & temporal
Distribution & population–resource ratio
Composition: age, s*x, literacy, religion, caste — social implications
Urban growth & urbanisation: pattern, factors, processes
Population problems & Plan-period policies
Group B: Geography of West Bengal (high-yield for WBCS)
5. Physical Geography
Location & geographical personality
Physiographic divisions: Darjeeling Himalaya, Terai–Dooars, Rarh, Delta, Sundarbans, coastal plain — structure & relief
Climate: seasonal weather, rainfall variation, cyclones (Aila-type)
Agro-climatic regions of WB
Drainage: Ganga, Bhagirathi–Hooghly, Damodar, Teesta, Ajay, Mayurakshi; floods, siltation, tidal issues
Soils: old/new alluvium, laterite, saline/deltaic; fertility, erosion, conservation
Vegetation: types & distribution; deforestation & afforestation; Sundarbans mangrove
6. Resource Base
Land, water, mineral, energy (conventional + non-conventional), biotic — distribution, use, conservation
WB-specific: coal (Raniganj), clay, groundwater, hydel potential in hills, fisheries, forest produce
7. Economy
Land use: characteristics & correlates
Irrigation & agricultural development through Plans
Rice, jute, tea: crop ecology, production, problems
Crop combination regions
Green Revolution impact in WB
Industrial regions: Kolkata–Hooghly, Asansol–Durgapur, Haldia, Siliguri — growth, problems
Trade & transport: Hooghly waterway, ports (Kolkata, Haldia), rail/road, airports
Development issues: regional imbalance North–South, flood, industrial sickness, urban congestion
8. Population
Population as resource; population vs socio-economic development
Growth & distribution; density types (crude, physiological, habitational)
Composition: age, s*x, literacy, occupation, religion, caste
Urbanisation: Kolkata megacity, class I towns, pattern & factors
Problems & population policy in Plan periods
