GPSC Prelims and Mains Notes, GPSC Test Series
The word “monsoon” comes from the Arabic word mausim, meaning season.Monsoons refer to a system of winds in the tropical regions under which the direction of winds is reversed completely between the summer and the winter seasons. Under this system, the winds blow from land to sea in winter and from sea to land … Read more Indian monsoon, mechanism, onset and retreat
Crop State Prod Prod Yield Rainfall Temp Soil % (Mil Kg/Ha cm Deg C T) Rice W. Bengal 15 87 1900 125-200 cm >23 C Deep Fertile UP 14 Clayey or loamy Andhra Pr 13 soil Punjab 11 Wheat UP 35 74 2700 80 cm 10-25 C Light loam Punjab 20 Sandy Loam … Read more Agricultural Crops of India
Scarcity of water Water scarcity is possibly to pose the greatest challenge on account of its increased demand coupled with shrinking supplies due to over utilisation and pollution. Water is a cyclic resource with abundant supplies on the globe. Approximately, 71 per cent of the earth’s surface is covered with it but fresh … Read more Scarcity of water, methods of conservation-rain water harvesting and watershed management, ground water management
Three Geological divisions: The peninsular block The Himalayas and other Peninsular Mountains Indo-Ganga-Brahmaputra Plain Peninsualar block is made of gneisses (metamorphic) and granites (igneous). Six physiographic divisions: The Northern and North-eastern Mountains The Northern Plain The Peninsular Plateau The Indian Desert The Coastal Plains The Islands Northern and North-Eastern Mountains Approximate length of … Read more Structure, relief and physiographic divisions
WHITE REVOLUTION IN INDIA The package programme adopted to increase the production of milk is known as White Revolution in India. The White Revolution in India occurred in 1970, when the National Dairy Development Board (NDDB) was established to organize the dairy development through the co-operative societies. Varghese Kuerin was the father of White … Read more WHITE REVOLUTION IN INDIA
Drainage: Flow of water through well-defined channels. Network of such channels is called a drainage system . Drainage basin: An area drained by a river and its tributaries. Watershed: Boundary line separating one drainage basin from other. River basins are larger watersheds. Drainage pattern of an area depends on the geological time period, nature … Read more Drainage Systems Himalayan and the Peninsular
The Green Revolution was initiated in the 1960’s to address the issue of malnutrition in the developing world. The technology of the Green Revolution involved bio-engineered seeds that worked in conjunction with chemical fertilizers and heavy irrigation to increase crop yields. Green Revolution was largely confined in wheat crop and in northern India such … Read more Green Revolution and its impact on major crops of India
India has a capacity to develop about 1,95,000 MW of non-conventional energy resource. India was the first country in the world to set up a ministry of non-conventional energy resources, in early 1980s.Various form of non-conventional energy being harnessed in India are as follows:- Solar:- India receives sunlight for 300 days/year and thus has a … Read more Discuss the possibilities of non- Conventional energy in India. 6 marks 2007
50. Iron Ore Chhattisgarh 24 % Dalli, Rajhra (Durg), Bailadila, Raoghat, Aridongri 51. Goa (21%) Sanquelim, Sanguem, Quepem, Satari, Ponda, Bicholim 52. Karnataka (20%) Bellary, Hospet, Sandur 53. Jharkhand (17 %) Noamund, Gua 54. Orissa (15 %) Gurumahisani, Sulaipat, Badampahar (Mayurbhanj), Kiriburu, Meghahataburu, Bonai (Sundargarh). 55. … Read more Mineral Resources of India
Water is a prime natural resource, a basic human need and a precious national asset. Planning, development and management of water resources need to be governed by national perspectives. India accounts for about 2.45 per cent of world’s surface area, 4 per cent of the world’s water resources and about 16 per cent of … Read more Water Resources : Availability