Notes and Study material for Exams
Civilian and military uses of Nuclear Energy Civilian uses Plant mutation breeding Plant mutation breeding is the process of exposing the seeds or cuttings of a given plant to radiation, such as gamma rays, to cause mutations. The irradiated material is then cultivated to generate a plantlet. Plantlets are selected and multiplied if … Read more
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
Chromosomes Chromosome, the microscopic threadlike part of the cell that carries hereditary information in the form of genes. A defining feature of any chromosome is its compactness. For instance, the 46 chromosomes found in human cells have a combined length of 200 nm (1 nm = 10− 9 metre); if the chromosomes were … Read more
Carbohydrates (glucose, sucrose and cellulose) Carbohydrates (also called saccharides) are molecular compounds made from just three Elements: carbon, hydrogen and Oxygen. Monosaccharides (e.g. glucose) and disaccharides (e.g. sucrose) are relatively small Molecules. They are often called sugars. Other carbohydrate molecules are very large (polysaccharides such as starch and cellulose). Carbohydrates are: a Source Of Energy … Read more
CREDA – Chhattisgarh State RENEWABLE ENERGY Development Agency CREDA – Chhattisgarh State Renewable Energy Development Agency, has been constituted on 25th May 2001 under the Department of Energy, Government of Chhattisgarh for implementation of various schemes pertaining to Renewable Energy sources and Energy Conservation activities. It is registered under Society Act … Read more
Bt Cotton Bt cotton is an insect-resistant transgenic crop designed to combat the bollworm. Bt cotton was created by genetically altering the cotton genome to express a microbial protein from the bacterium Bacillus thuringiensis. In short, the transgene inserted into the plant’s genome produces toxin crystals that the plant would not normally produce … Read more
Blood groups Blood Group, Classification of blood based on inherited differences (polymorphisms) in antigens on the surfaces of the red blood cells (erythrocytes). Inherited differences of white blood cells (leukocytes), platelets (thrombocytes), and plasma proteins also constitute blood groups. English physician William Harvey announced his observations on the circulation of the blood in … Read more
Biopesticides Plants, growing in the wild or in cultivation, face numerous threats from insects, bacteria, viruses, and Fungi, as well as from other plants. Biopesticides are inert substances or living organisms that can help protect plants from such threats. Chemical pesticides can offer similar protection but, by contrast, are neither alive nor made … Read more
Applications of Space Technology in India agriculture Information on crop statistics is required for planning and DECISION MAKING purposes, such as, distribution and storage of food grains, Govt. policies, pricing, procurement and Food Security and so on. Ministry of Agriculture and Farmers’ Welfare effectively uses contemporary techniques of satellite remote sensing in such … 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