WBPSC Prelims and Mains Notes-WBPSC Test Series
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
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
ECOLOGY Ecology is defined “as a scientific study of the relationship of the living organisms with each other and with their environment.” The classical texts of the Vedic period such as the Vedas, the Samhitas, the Brahmanas and the Aranyakas-Upanishads contain many references to ecological concepts .The Indian treatise on medicine, the Caraka- Samhita … 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
DRY FARMING IN INDIA The spread in the regions where the average annual rainfall is less than 75 cm. rainfall is scanty and uncertain, where hot and dry conditions prevail. It is not only that the average annual rainfall is low, the variability of rainfall in these areas varies between 25 to 60 per cent. … Read more
Rice The rice is cultivated on the largest areas in India. Historians believe that while the indica variety of rice was first domesticated in the area covering the foothills of the Eastern Himalayas (i.e. north-eastern India).Rice is a nutritional staple food which provides instant energy as its most important component is carbohydrate (starch). Rice … Read more
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
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: