GPSC Prelims and Mains Notes, GPSC Test Series
Universalizing Science and Technology literacy Scientific and technological literacy, in its broadest sense, means much more than simply being able to read, understand and write about science and technology, however important these are. STL also includes the ability to apply scientific and technological concepts and process skills to the life, work and culture of … Read more Universalizing Science And Technology Literacy (2)
Circulatory System v The circulatory system can be compared to a system of interconnected, one-way roads that range from superhighways to back alleys. v Like a network of roads, the job of the circulatory system is to allow the transport of materials from one place to another. v As described in Figure below, … Read more Circulatory System
General studies of alternating current and direct current Alternating Current Alternating Current (AC) Alternating current describes the flow of charge that changes direction periodically. As a result, the voltage level also reverses along with the current. AC is used to deliver power to houses, office buildings, etc. AC can be produced using a … Read more General Studies Of Alternating Current And Direct Current
Surface tension Surface tension, property of a liquid surface displayed by its acting as if it were a stretched elastic membrane. This phenomenon can be observed in the nearly spherical shape of small drops of liquids and of soap bubbles. Because of this property, certain insects can stand on the surface of water. … Read more Surface Tension
Use of I.T. in various services An important application of information technology is video on demand. It is very common now a days. The cable tv operator provides services to watch any video clipping, movie or any favourite tv program. The channel is established from the computer at home and the cable operator. … Read more Use Of I.T. In Various Services
Food preservatives Food preservatives constitute a group of compounds of widely different molecular structures; they are organic and inorganic substances with different functional groups and tendencies to form ions. There are no procedures that are generally applicable to the analysis of preservatives as a class of food additive; the procedures are specific to … Read more Food Preservatives
Biotechnology in agriculture For about 10,000 years , farmers have been improving wild plants and animals through the selection and breeding of desirable characteristics. This breeding has resulted in the domesticated plants and animals that are commonly used in crop and livestock agriculture. In the twentieth century, breeding became more sophisticated, as the … Read more Biotechnology In Agriculture
Usefulness of animals and human affairs As food The human population exploits a large number of animal species for food, both of domesticated livestock species in animal husbandry and, mainly at sea, by hunting wild species. Marine fish of many species, such as herring, cod, tuna, mackerel and anchovy, are caught commercially, forming … Read more Usefulness Of Animals And Human Affairs
Universalizing Science and Technology literacy Scientific and technological literacy, in its broadest sense, means much more than simply being able to read, understand and write about science and technology, however important these are. STL also includes the ability to apply scientific and technological concepts and process skills to the life, work and culture of … Read more Universalizing Science And Technology Literacy (2)