GPSC Prelims and Mains Notes, GPSC Test Series
Land is a finite resource. Land availability is only about 20% of the earth’s surface. Land is crucial for all developmental activities, for natural resources, ecosystem services and for agriculture. Growing population, growing needs and demands for economic development, clean water, food and other products from natural resources, as well as degradation of land … Read more
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 the … Read more
Indian Agriculture Mainstay of Indian Economy Since independence, undergone a change from being the sector contributing the highest share to the GDP to one contributing the lowest share. Agriculture is a state subject. GDP contribution (Agriculture and allied sector) 5 pc in 1950-51 7 pc in 2008-09 and 14.6 pc in 2009-10. It was 19 … Read more
Mineral State Mines/Districts Coal Jharkhand Jharia, Bokaro, Giridh, karanpura, Ramgarh, Daltonganj, Aurangabad, Hutar, Deogarh, Rajmahal Orissa Talcher, Rampur M.P (Former) Central Indian Coalfields -Singrauli, Sohagpur, Johilla, Umaria Satupura Coalfields – Pench, Kanhan, Pathkhera North Chhattisgarh – Chirmiri-Kaurasia, Bisrampur, Jhillmili, Sonhat, Lakhanpur, Sendurgarh, lakhanpur-Ramkola South Chhattisgarh-Hasdo-Arand, Korba, Mand-Raigarh West Bengal Raniganj, Darjeeling Andhra Pr. Singareni, Kothgundam, … Read more
India is the second most populous country in the world next only to China. On March 1, 2011 the total population of India was at 1.247 billion. This accounted for 17.5% of the world’s total population. In other words, about every sixth person in the world there is an Indian. China, the most populous country … Read more
INDIAN AGRICULTURE—CHALLENGES AND PROSPECTS Some of the important challenges Indian agriculture is facing at present are given below: Stunted Yield: Dry Farming: Inadequate Marketing Facilities: Inadequate Formal Sources of Credit: Mismanagement of Public Distribution System: Sustainability of Agriculture: Soil Erosion:
The rapid pace of population growth has led to the excessive utilization of natural resources. Huge population also leads to huge production of wastes. The resultant outcomes are loss of biodiversity, pollution of air, water and soil and increased pressure on arable land. All these have been putting great stress on the environment. If … Read more
Mineral is a naturally occurring, homogeneous inorganic solid substance having a definite chemical composition and characteristic crystalline structure, color, and hardness Minerals are valuable natural resources that are finite and non-renewable. The history of mineral extraction in India dates back to the days of the Harappan civilization. The wide availability of minerals in the … Read more
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 and … Read more
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