TSPSC Prelims and Mains Notes-TSPSC Test Series
Cell cycle, the ordered sequence of events that occur in a cell in preparation for cell division. The cell cycle is a four-stage process in which the cell increases in size (gap 1, or G1, stage), copies its DNA(synthesis, or S, stage), prepares to divide (gap 2, or G2, stage), and divides (mitosis, or M, stage). The stages G1, … Read more
. The Polar Satellite Launch Vehicle (PSLV) has proved itself to be a versatile vehicle for diverse missions and is now the workhorse of ISRO. It was the first launcher to gain operational status. PSLV is meeting the national requirements as well as the launch requirements for international customers. The long string of consecutive successes … Read more
It refers to the elimination/removal of metabolic wastes from the body. There are four major organs of excretions : kidney, lungs, skin and the liver. Out of these four organs kidneys are the primary excretory organs that eliminate metabolic waste products in the form of urine. The major functions of urine are: Excretions of wastes … Read more
The Mission envisages empowering national academic and R&D institutions spread over the country by installing a vast supercomputing grid comprising of more than 70 high-performance computing facilities. These supercomputers will also be networked on the National Supercomputing grid over the National Knowledge Network (NKN). The NKN is another programme of the government which connects academic … Read more
The national telecom policy in work will focus on complete transition of the country from physical to digital infrastructure, with norms to push availability of high speed and uninterrupted broadband services in mission mode. One of the key strategies in the draft talks of recognising spectrum as a key natural resources for public benefit … Read more
Quick revision Topic: Corrosion and its prevention Definition: It is the process in which metals are slowly eaten up by the action of air moisture or chemicals. For example rusting is a form of corrosion in which iron is eaten up by the action of air and moisture and a reddish brown coating of iron oxide is formed … Read more
. Radioisotopes are radioactive isotopes of an element. They can also be defined as atoms that contain an unstable combination of neutrons and protons, or excess energy in their nucleus. The unstable nucleus of a radioisotope can occur naturally, or as a result of artificially altering the atom. In some cases a nuclear reactor is … Read more
Department of Electronics and Information Technology (DEIT) had taken up an initiative in February 2002 for setting up of Community Information Centres (CICs) in the hilly, far-flung rural areas of the country to bring the benefits of ICT (Information and Communication Technologies) to the people for socio-economic development of these regions and to alleviate the … Read more
a) Pyramid of Number: This represents the number of organisms at each trophic level. For example, in grassland the number of grasses is more than the number of herbivores that feed on them and the number of herbivores is more than the number of carnivores. In some instances, the pyramid of number may be inverted, i.e … Read more
Bt brinjal is the first food crop under evaluation for commercial release in India. Since its development in 2000, the crop has undergone rigorous scientific evaluation to assess its food safety, environmental safety, human and animal health safety and biodiversity. Rigorous scientific tests, including toxicity and allergenicity evaluation as well as nutritional studies on rabbits, … Read more