AQUATIC ECOSYSTEM

  Fresh water ecosystems- The salt content of fresh bodies is very low, always less than 5 ppt  (parts per thousand). E.g lakes, ponds, pools, springs, streams, and rivers Marine ecosystems – the water bodies containing salt concentration equal to or above that of sea water (i.e., 35 ppt or above). E.g shallow seas and … Read more AQUATIC ECOSYSTEM

Revolutionary Terrorism and Bhagat Singh

Revolutionary young men did not try to generate a mass revolution. Instead they followed the strategy of assassinating unpopular officials 1904: VD Savarkar organized Abhinav Bharat Newspapers like The Sandhya and Yugaantar in Bengal and the Kal in Maharashtra advocated revolutionary ideology Kingsford Incident: In 1908, Khudiram Bose and Prafulla Chaki threw bomb at a … Read more Revolutionary Terrorism and Bhagat Singh

Evolution and characteristics of landforms in the Fluvial, Glacial, Arid and Karst regions  

  Landform Each landform has its unique physical shape, size, materials and is a result of the action of certain geomorphic processes and agent(s). Every landform has a beginning. Landforms once formed may change in their shape, size and nature slowly or fast due to continued action of geomorphic processes and agents. Due to changes … Read more Evolution and characteristics of landforms in the Fluvial, Glacial, Arid and Karst regions  

Art & Architecture

Harappan

  • Drainage system
  • Rectangular intersecting roads
  • Sanitary system

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Population growth, distribution and density

  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 Population growth, distribution and density

Rotational motion, Gravitation, Simple harmonic motion

Rotational Motion A rotation is a circular movement of an object around a center (or point) of rotation . A three-dimensional object always rotates around an imaginary line called a rotation axis. If the axis passes through the body’s center of mass, the body is said to rotate upon itself, or spin. A rigid body … Read more Rotational motion, Gravitation, Simple harmonic motion

LAKE ECOLOGY

  Any – body of standing water, generally large enough in area and depth, irrespective of its hydrology, ecology, and other characteristics is generally known as lake. Ageing of Lakes The nutrient enrichment of the lakes promotes the growth of algae, aquatic plants and various fauna. This process is known as natural eutrophication. Similar nutrient … Read more LAKE ECOLOGY

Purusharth Vyavastha

Purusharth The Hindu scriptures declare four goals in human life and they are called the purushartha. The term purushartha not only denotes what the objectives of life should be but it also means what the objectives of life are as the result of the psychological tendencies of the individual. The purushartha consists of dharma, Artha, … Read more Purusharth Vyavastha

Major Industrial Sector Issues of Rajasthan.

  Industrialization in Rajasthan has been a recent phenomenon, as prior to the independence the development of industries was restricted by the following factors:- Lack of Interest by the rulers Lack of technical know how Lack of transport facilities. RICCO has been established as an apex body for the development of industries in the state, … Read more Major Industrial Sector Issues of Rajasthan.

Land Revenue System under British Rule

  Since the grant of diwani for Bengal, Bihar and Orissa in 1765, the major concern of the East India Company’s administration in India was to collect as much revenue as possible. Agriculture was the main basis of economy and the main source of income and hence, although the nawabi administration was retained with Muhammad … Read more Land Revenue System under British Rule

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