Science Tech

 Fermentation Fermentation, chemical process by which molecules such as glucose are broken down anaerobically. More broadly, fermentation is the foaming that occurs during the manufacture of wine and beer, a process at least 10,000 years old. The frothing results from the evolution of carbon dioxide gas, though this was not recognized until the … Read more Fermentation

 Reproduction and growth – type of reproduction Living things grow and they reproduce. Growth is a way to generate the materials for reproduction. Reproduction is a way to make new organisms that can grow. Thus, the apparent “goal” of every organism is to fill the available world with its offspring, that is, with … Read more Reproduction And Growth

 Medicinal and aromatic plants Medicinal and aromatic plants constitute a major segment of the flora, which provides raw materials for use in the pharmaceuticals, cosmetics, and drug industries. The indigenous systems of medicines, developed in India for centuries, make use of many medicinal herbs. These systems include Ayurveda, Siddha, Unani, and many other … Read more Medicinal And Aromatic Plants

 Rubbers There are many different kinds of rubber, but they all fall into two broad types: natural rubber (latex—grown from plants) and synthetic rubber (made artificially in a chemical plant or laboratory). Commercially, the most important synthetic rubbers are styrene butadiene (SBR), polyacrylics, and polyvinyl acetate (PVA); other kinds include polyvinyl chloride (PVC), … Read more Rubbers

 Allopathic, Indian System of Medicine, Naturopathy and Yoga (AYUSH) An AYUSH system of medicine includes Indian systems of medicine and Homeopathy. AYUSH is an acronym for Ayurveda, Yoga & Naturopathy, Unani, Siddha & Sowa Rigpa, and Homoeopathy. Ayurveda is the oldest system with documented history of its practice since more than 5000 years … Read more Allopathic, Indian System Of Medicine, Naturopathy And Yoga (AYUSH)

 Relation between focal length and redius of curvature The focal length (f) of a lens is the distance between the center of the lens and the point at which the reflected light, of a beam of light travelling parallel to the center line, meets the center line (principal axis). The radius of curvature … Read more Relation Between Focal Length And Redius Of Curvatur1

 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 Contibution Of Indian Scientist

 Excretory System Introduction v  If you exercise on a hot day, you are likely to lose a lot of water in sweat. Then, for the next several hours, you may notice that you do not pass urine as often as normal and that your urine is darker than usual. v  Do you know … Read more Excretory System

 Control of Pests and crop Disease Agriculture is the single largest sector of India that provides the principal means of livelihood for over 58.4% of country’s population. It contributes approximately one-fifth of the total gross domestic product (GDP). Agriculture accounts for about 10% of the total export earnings and provides raw material to … Read more Control Of Pests And Disease

   Blood: Composition and Function   Blood has many functions including transportation of nutrients round the body, maintaining homeostasis and the immune system. It is made up of plasma, red blood cells, white blood cells and platelets.     Function of blood   Transportation: The blood carries other substances … Read more Composition And Function Of Blood