Category Archives: CBSE

CBSE Class 11 Geography Chapter 15 Life on the Earth Notes Ecology is the study of the interaction of organisms with their physical environment and with each other. Ecosystem on the other hand is the system consisting of biotic as well as abiotic components. Biotic components include the producers, the consumers and the decomposers, while the …

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CBSE Class 11 Geography Chapter 14 Movements of Ocean Water Notes Approximately 71% of the earth’s surface is covered by oceans, which are dynamic in nature. Oceans are considered as a potential resource of food, minerals and power. It is significant for trade and navigation. Ocean water is dynamic. There are two types of movements in …

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CBSE Class 11 Geography Chapter 13 Water (Oceans) Notes Water is a cyclic resource. It can be used and re-used. The hydrological cycle, is the circulation of water within the earth’s hydrosphere in different forms i.e. the liquid, solid and the gaseous phases. Please refer Class 11 Geography Chapter 13 Water (Oceans) Notes for more information.

CBSE Class 11 Geography Chapter 12 World Climate and Climate Change Notes The most widely used classification of climate is the empirical climate classification scheme developed by V. Koeppen in 1918, and modified over a period of time. The scheme was based on the mean annual and mean monthly temperature and precipitation data. Koeppen classified the …

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CBSE Class 11 Geography Chapter 11Water in the Atmosphere Notes Humanities/Arts : Revision Notes – Water in the Atmosphere, Class 11, Geography.Water is present in the atmosphere in three forms namely – gaseous, liquid and solid. The moisture in the atmosphere is derived from water bodies through evaporation and from plants through transpiration. Please refer Class 11 Geography Chapter 11Water in the Atmosphere Notes for more information.

CBSE Class 11 Geography Chapter 10 Atmospheric Circulation and Weather Systems Notes Atmospheric Pressure is the weight of a column of air contained in a unit area from the mean sea level to the top of the atmosphere. Atmospheric Pressure is measured by an instrument called ‘barometer’. Atmospheric Pressure is expressed in the units of Millibars …

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CBSE Class 11 Geography Chapter 9 Solar Radiation, Heat Balance and Temperature Notes Insolation is the energy received by the earth as the incoming solar radiation. The amount of solar radiation received at a place during a particular time is determined by the factors like: The rotation of earth on its axis The angle of inclination …

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CBSE Class 11 Geography Chapter 8 Composition and Structure of Atmosphere Notes  Atmosphere is the huge blanket of air that surrounds the earth and provides life supporting conditions on the earth.  The main constituents of air are nitrogen, oxygen, carbon dioxide, argon, helium, ozone, hydrogen, water vapour and dust particles. Nitrogen constitutes the largest proportion of …

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CBSE Class 11 Geography Chapter 7 Landforms and their Evolution Notes The geomorphic agents like running water, ground water, wind, glaciers and waves form different landforms on the earth. These geomorphic agents acting over long periods of time produce systematic changes, leading to sequential development of landforms.The running water in its different stages, forms erosional and …

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CBSE Class 11 Geography Chapter 6 Geomorphic Processes Notes Geomorphic processes refer to the chemical and physical interaction between the earth’s surface and the natural forces acting on it. This interaction produces various landforms. Geomorphic processes can be classified into exogenic and endogenic processes.  Endogenic forces are generated in the interior of the earth. Endogenic processes …

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