Notes and Study material for Exams
defined as ‘an addition or excessive addition of certain materials to the physical Environment (water, air and lands), making it less fit or unfit for life’. Pollutants are the materials or factors, which cause adverse effect on the natural quality of any component of the environment. Classifications According to the form in which they … Read more
The caste system is a Classification of people into four hierarchically ranked castes called varnas. They are classified according to occupation and determine access to wealth, power, and privilege. The Brahmans, usually priests and scholars, are at the top. Next are the Kshatriyas, or political rulers and soldiers. They are followed by the Vaishyas, or … Read more
Limestone M.P, Chattisgarh, Andhra Pradesh, Rajasthan Dolomite Orissa (Birmitrapur in Sundergarh District-largest in India), M.P & Chattisgarh Phosphate Rajasthan (Udaipur) Uttaranchal (Dehradun), M.P. (Jhabua), U.P. (Lalitpur) Kaolin Kerala is largest producer. Mica Andhra Pradesh, Jharkhand (Kodarma-Large) & Rajasthan Gypsum Rajasthan & J & K. Steatite Rajasthan. It is also called soapstone/ Potstone. Magnesite Tamil Nadu … 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
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
The global macroeconomic landscape is currently chartering a rough and uncertain terrain characterized by weak Growth of world output. The situation has been exacerbated by; (i) declining prices of a number of commodities, with reduction in crude oil prices being the most visible of them, (ii) turbulent fnancial markets (more so Equity markets), and … Read more
In 1978, the World Bank, for the first time, constructed an analytical country Classification system. The occasion was the launch of the World Development Report. Annexed to the report was a set of World Development Indicators (WDI), which provided the statistical underpinning for the analysis. The first economic classification in the 1978 WDI divided … Read more
The Twelfth Finance Commission was appointed under the chairmanship of C. Rangarajan on November 1, 2002 to make recommendations regarding the distribution between the Union and the States of net proceeds of shareable taxes, the principles which should govern the grants- in-aid of the revenues of States from the Consolidated Fund of India and … Read more
Waste minimization is an appropriate strategy to address the problems of industrial pollution. The objective of the scheme is to assist the small and medium scale industries in adoption of cleaner production processes. • A scheme on adoption of clean technology and promotion and establishment of waste minimization circles in small and medium scale industries … Read more
Sound is measured in decibels (dB). An increase of about 10 dB is approximately double the increase in loudness. A person’s hearing can be damaged if exposed to noise levels over 75 dB over a prolonged period of time. The World Health Organization recommends that the sound level indoors should be less than 30 … Read more