Notes and Study material for Exams
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
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
Soil Pollution is the Contamination of the soil by human and natural activities which may cause harmful effects on living beings. This may be due to the following factors. (i) Industrial wastes: Industries are the major causes for soil pollution Textiles, steel, paper, Cement, oil, dyeing and other industries are responsible for soil pollution. Toxic … Read more
aggravated because of four developments: Increasing traffic, growing cities, rapid Economic Development, and industrialization contamination of air by the discharge of harmful substances Major air pollutants and their sources Carbon monoxide (CO) It is a colourless, odourless gas that is produced by the incomplete burning of carbon – based fuels including petrol, diesel, … Read more
ENVIRONMENT POLLUTION is 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 … Read more
Coastal Ocean Monitoring and Prediction System (COMAPS) Being implemented from 1991. Assesses the Health of coastal waters and facilitates management of pollution-related issues Programme was restructured and modified in 2000 2001 to include pollution monitoring; liaison, regulation and legislation; and consultancy Services. 2.Land Ocean Interactions in the Coastal Zone (LOICZ) Launched in … Read more
Coral is actually a living animal. has a symbiotic relationship (each gives something to the other and gets something back in return) With ‘zooxanthellae’ microscopic algae which live on coral [i.e. instead of living on the sea floor, the algae lives up on the coral which is closer to the ocean surface and so … Read more