Notes and Study material for Exams
Fishing in west bengal West Bengal has a vast water resource potentiality. By utilising these water Resources there is a great prospect of pisciculture. These resources can be divided into two categories : 1.Inland Water Resources and Marine Water Resources Inland resources constitute ponds, rivers, marshy lands, canals, reservoirs etc. Development of Pond Fishery Although … Read more
Newton’s law of universal Gravitation states that a particle attracts every other particle in the universe using a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers. Gravitation Gravitation is the force by which every mass or particle of matter, including … Read more
Nutrition Nutrition, nourishment, or aliment, is the supply of materials – food – required by organisms and cells to stay alive. In science and human medicine, nutrition is the science or practice of consuming and utilizing foods. Nutrients are the substances that form foods. These may include the following: Carbohydrates They provide us with energy … Read more
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
Metabolism is the set of life-sustaining chemical transformations within the cells of organisms. The three main purposes of metabolism are the conversion of food/fuel to energy to run cellular processes, the conversion of food/fuel to building blocks for proteins, lipids, nucleic acids, and some Carbohydrates, and the elimination of nitrogenous wastes. These enzyme-catalyzed reactions allow … Read more
Steroids Steroids are naturally made by our bodies in small amounts. They help to control many functions. But steroids can also be made artificially and used as drugs to treat different diseases, including cancer. Steroids used to treat cancer are usually a type called corticosteroids. These are man made versions of the HORMONES … Read more
Concept of pressure Pressure is the perpendicular force per unit area, or the Stress at a point within a confined fluid. The pressure exerted on a floor by a 42-pound box the bottom of which has an area of 84 square inches is equal to the force divided by the area over which … Read more
Government of India is committed to the goal of ‘Health for All’ The obligation of the Government to ensure the highest possible health status of India’s Population and access to quality health care has been recognized by a number of key policy documents.Health care system supplement in improving the health of individuals, particularly those belonging … Read more
–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> :In Plants , the process by which animals and plants rid themselves of waste products and of the nitrogenous by-products of Metabolism. Through excretion organisms control osmotic pressure—the balance between inorganic ions and water—and maintain acid-base balance. The process thus promotes homeostasis, the constancy of the … Read more