Composition and Structure of Atmosphere
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Composition and Structure of Atmosphere About 99% of total mass of atmosphere is within the height of 32 km from earth surface, rest above merges with outer space Atmospheric Air…
Geographical Division of Earth & its Relation to Solar system
Geographical Division of Earth & its Relation to Solar System Shape of Earth Oblate spheroid or oblate ellipsoid shape Slightly flattering at poles & slightly bulging at equator Polar radius approx.…
Origin of Earth
Origin of Earth Gaseous Theory (1755) By Imanuel Kant (German) Primordial matter was evenly distributed in shape of small & cold particles from which our earth & other planets of…
Solar System & Planets
Solar System & Planets Solar System Our solar system consists of Sun + 8 Planets + 1 Dwarf planet (Pluto) + No. of Natural Satellites Pluto was demoted to dwarf planet at 26th…
India Position & Population Statistics
India Position & Population Statistics Lies in South Asia North of Equator Latitude (8*4’ – 37*6’) N Longitude (68*7’ – 97*25’)E 2nd largest arable land (after US) Population 17.6 %…
India Roads, Railways, Ports & Airways
India Roads, Railways, Ports & Airways Road Transport >> 100 % FDI National Highways Responsibility of National highway authority of India (NHAI) Constitutes 2 % of all roads & carry…
Mineral Resources India – Petroleum, Fibers, Natural Gas
Mineral Resources India – Petroleum, Fibers, Natural Gas Petroleum Refineries There are two stages >> Production (drilling) + Refining For Petroleum refineries, the raw material sources were less decisive factors…
Mineral Resources India – Iron, Coal, Aluminium, Copper, Lead, Zinc
Mineral Resources India – Iron, Coal, Aluminium, Copper, Lead, Zinc Metallic Ferrous Containing iron contents (Iron ores, Ni, Co, Mn etc.) Non-Ferrous Gold, Silver, Cu, Pb, Al, Zn etc. Non…
Industries of India
Industries of India Primary Industries Use natural raw material Examples >> Hunting-gathering, pastoral activities, fishing, forestry, agriculture, mining and quarrying Secondary Industries Make complex products using the material obtained from…
Energy Resources of India
Energy Resources of India Conventional resources of Energy The resources which are widely used and constitute the major source of energy. Examples >> Coal, Oil, Natural Gas, Wood etc. Limited,…
Salient Features of Indian Agriculture – Part 2
Salient Features of Indian Agriculture – Part 2 HYV (High Yielding Variety) Seeds > Green Revolution by Norman Borlaug Positives To achieve self-sufficiency in food Shorter Life cycles Increased productivity…
Salient Features of Indian Agriculture – Part 1
Salient Features of Indian Agriculture – Part 1 Agriculture – backbone of Indian Economy India is an agricultural economy where approx. 49% of the people depend on agriculture. Net sown…
