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Rainfall types - Airmasses - Fronts - Cyclones - Climatic classification of Koeppen and Thornthwaite.

UNIT III - OCEANOGRAPHY - Morphology of Ocean floor - Bottom Topolgraphy of Atlantic - Pacific and Indian Oceans - Distribution of temperature - Salinity of Oceans - Tides - Coral reefs - Deposite of Ocean Floors - Resources of Ocean.

UNIT IV - HUMAN GEOGRAPHY - Man and his Environment - Human Adaptations in Equotorial regions - Mediterranean Regions - Grasslands - Determinism and Possiblism. World Population:- Growth - Distribution Pattern - Papulation problems. Migration:- Types - Causes and Consequences Settlements:- Rural settlements - types - urban settlements - site and situation.

Functional Classification of Towns - World Urbanization

UNIT V - ENVIRONMENTAL STUDIES - Concept dof Eco-system - Eco-Crisis - Climatic conditions - Adaptation of animals and plants in different climatic conditions - Balance of Eco-System - Need for conservation of Eco-system - Natural Hazards - Flood - Drought - Forest Fire - Earthquake and volcanoes.

UNIT VI - GEOGRAPHY OF RESOURCES - Resources - Types - Agriculture - Types of Agriculture(Intensive and Extensive) Major Crops: Rice, Wheat - Coton - Tea - Coffee - Sugarcane. Resources:- Minerals, Iron Ore - Bauzite - Manganese and Mica.Power resources :- Coal - Petroleum - Hydro Power - Nuclear Power, Forest Resources:- Types - Forest based industries - fishery Resources, Major Fishing grounds of the world. Major Industries:- Iron and Steel - Textile(Cotton and Wollen) - ship building - Automobile - Sugar industry. Transportation:- Roadways - Railways - Waterways (Inland and Major Ocean routes) - Airways. Trade:- International trade - world trade pattern.

UNIT VII - GEOGRAPHY OF REGIONAL CONCEPT - Definition - Classification - Concept of Regions - Functional and Formal regions - Agricultural Regions Industrial Regions and Cultural Regions of the world - Regional Imbalance - Need for regional planning.

UNIT VIII - CARTOGRAPHY - Sources of Geographical data - Primary and secondary sources - Maps - types of maps - properties and uses of the a) Mercator b) Gnomonic c) Cylindrical and d)International Projections - Map design - Map compilation and Generalisation - Computer applications in cartography.

UNIT IX - GEOGRAPHY OF INDIA - Location - Natural Devisions - Climate - Climatic Divisions - Forest types - Agriculture: Problems and prospects of Indian Agriculture - Distribution and Cultivation of a)Wheat b) Rice c) Cotton d)Sugarcand e) Coffee and f)Tea. Minerals:- Iron ore - Bauxite - Mangancese - Mica and Copper. Industries :- Iron and Steel - cotton textile - Sugar - Chemical - Engineering Industries. Transport:- National Highways - Railways - Inland Waterways - Airways. Ports:- Major ports of India. Population:- Distribution - density Growth - Problems of Over population - Ntional population - policy. Trade:- Direction - Volume - Palttern of foregn trade of India.

UNIT X - GEOGRAPHY OF TAMIL NADU - Location - Relief - Climate - Soil - Vegetation - Fisheries (Inland and Marine) Agriculture - Impact of Green Revolution - Distribuiton and Cultivation of major crops - Mineral wealth of Tamil Nadu - Industries - Industrial development in Tamil Nadu - Population: Growth and Distribution.Urbanization:- Trend - Million Cities of Tamil nadu.