Science Tech

 Transport of water and minerals in plants and animals   Transport of water in plants The survival of plants is dependent on a number of factors which include water, minerals, gases, and nutrients they receive. The movement of gas, water, and nutrients in plants are carried out in components. They take in carbon … Read more

 Acid An acid is a substance which forms H+ ions as the only positive ion in aqueous solution. Examples:- Hydrochloric acid dissolved in water forms H+ and Cl– ions   HCl —> H+ + Cl–   Sulphuric acid dissolved in water forms H+ and SO42- ions   H2SO4 —>2H+ + SO42-   Nitric acid forms H+ and NO3– ions when dissolved in water … Read more

 Green pharmacy Green pharmacy is the design of pharmaceutical products and processes that eliminate or reduce significantly the use and generation of hazardous substances and the prevention/reduction of environmental/safety and health impacts at the source. Herbal medicine also called botanical medicine or phyto medicine. Herbalism is a traditional medicinal or folk medicine practice based on … Read more

 The Rate of a Chemical Reaction   The rate of a chemical reaction can be defined as the amount of the reaction which occurs in unit time. The rate of a reaction is measured by choosing certain properties of the reaction which will indicate how far the reaction has gone, and whose … Read more

 Some Important Organic Compounds   The chemical compounds of living things are known as organic compounds because of their association with organisms and because they are carbon-containing compounds. Organic compounds, which are the compounds associated with life processes, are the subject matter of organic chemistry. Among the numerous types of organic compounds, four major categories … Read more

 Synthetic fibers (nylon and rayon),, polystyrene Synthetic fibers are made from raw materials such as petroleum, based on chemicals or petrochemicals. These materials are polymerized into a long, linear chemical with different chemical compounds and are used to produce various types of fibers. Synthetic fibers account for about half of all fiber usage, … Read more

 Concept of biotechnology The term ‘Biotechnology’ may sound futuristic, but it is nearly as old as civilization itself. We have begun growing crops and raising animals 10,000 years ago to provide a stable supply of food and clothing. We have been using the biological processes of microorganisms for 6,000 years to make useful … Read more

 Tissues Tissue, in physiology, a level of organization in multicellular organisms; it consists of a group of structurally and functionally similar cells and their intercellular material. Tissues are absent from unicellular organisms. Even among the simplest multicellular species, such as sponges, tissues are lacking or are poorly differentiated. But multicellular animals and plants … Read more

 Uses and harms of nuclear energy Pros of Nuclear Energy Low Pollution: Nuclear power also has a lot fewer greenhouse emissions. It has been determined that the amount of greenhouse gases have decreased by almost half because of the prevalence in the utilization of nuclear power. Nuclear energy has the least effect on … Read more

 Contribution of Indian  Scientist:   Scientist Achievement Homi Jehangir Baba Father of Indian Nuclear Programme, Carried out first nuclear test 1974, Atomic energy establishment was renamed Bhabha Atomic research centre. Venkatraman Ramakrishna Indian origin biologist cum scientist won nobel prize in 2009 in chemistry. He pioneered in the studies of the structure and … Read more