System of Units: MKS, CGS and SI

Measurement of any physical quantity involves comparison with a certain basic, arbitrarily chosen, internationally accepted reference standard called unit. The result of a measurement of a physical quantity is expressed by a number (or numerical measure) accompanied by a unit. A unit of measurement is a definite magnitude of a quantity, defined and adopted by … Read more

Historical Underpinning and Evolution

  Evolution of Indian Constitution Although the systems of ancient India do have their reflections in the Constitutions of India, the direct sources of the Constitution lie in the administrative and legislative developments of the British period.   Regulating Act of 1773 This Act was based on the report of a committee headed by the … Read more

Water Pollution

  Addition of certain substances to the water such as organic, inorganic, biological, radiological, heat, which degrades the quality of water so that it becomes unfit for use. Putrescibility is the process of decomposition of organic matter present in water by microorganisms using oxygen. Water having DO (dissolved oxygen)  content below 8.0 mg/L may be … Read more

GRASSLAND ECOSYTEM

  found where rainfall is about 25-75 cm per year, not enough to support a forest, but more than that of a true desert. vegetation formations that are generally found in temperate climates. In India, they are found mainly in the high Himalayas. The rest of India’s grasslands are mainly composed of steppes and savannas. … Read more

Multipurpose Projects & Hydro-Electric Projects in India

Damodar Valley Project—- Damodar—– West Bengal & Jharkhand. It includes Maithon & Tilaiya Dam on Barakar river in Bihar, Konar Dam (Konar river) & Panchet Dam (Damodar). Rihand Dam —-Rihand —–Uttar Pradesh Nagarjunasagar Project —–Krishna—- Andhra Pradesh. Consists of two canals – Lal Bahadur Canal (Left) & Jawahar canal (Right). Tungabhadra Project Tungabhadra JV of … Read more

POLLUTANTS AND TROPHIC LEVEL

  Movement of these pollutants involves two main processes:   Bioaccumulation refers to how pollutants enter a food chain. there is an increase in concentration of a pollutant from the environment to the first organism in a food chain.   Biomagnification refers to the tendency of pollutants to concentrate as they move from one trophic … Read more

Parliamentary Committees

The functions of Parliament are not only varied in nature, but considerable in volume. The time at its disposal is limited. It cannot make very detailed scrutiny of all legislative and other matters that come up before it. A good deal of Parliamentary business is, therefore, transacted in the committees.These are committees, with MPs as … Read more