Science Tech

 Steroids Steroids are naturally made by our bodies in small amounts. They help to control many functions. But steroids can also be made artificially and used as drugs to treat different diseases, including cancer.  Steroids used to treat cancer are usually a type called corticosteroids. These are man made versions of the hormones … Read more Steroids

 Disaster Management History shows that India is exposed to national disasters. Cyclones, floods, earthquakes, droughts and floods are major threats. About 60 percent of the landmass is prone to earthquakes of various intensities, over 40 million hectares is prone to floods and 68 percent of the area is susceptible to drought. This not … Read more Disaster Management

 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

 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

 Role of drdo in various fields (other than weapons) The Defence Research and Development Organisation (DRDO) is an agency of the Republic of India, charged with the military’s research and development, headquartered in New Delhi, India. It was formed in 1958 by the merger of the Technical Development Establishment and the Directorate of … Read more Role Of Drdo In Various Fields

 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

 Tissue culture Tissue culture, a method of biological research in which fragments of tissue from an animal or plant are transferred to an artificial environment in which they can continue to survive and function. The cultured tissue may consist of a single cell, a population of cells, or a whole or part of … Read more Tissue Culture

 Structure and function of human Brain and spinal cord The brain is a complex organ made up of specialized nerve and supportive tissues. It’s surrounded by many bones that together form the skull. The part of the skull where the brain sits is called the cranium. The base, or lower part, of the … Read more Structure And Function Of Human Brain And Spinal Cord

 Waste Water Management Water, food and energy securities are emerging as increasingly important and vital issues for India and the world. Most of the river basins in India and elsewhere are closing or closed and experiencing moderate to severe water shortages, brought on by the simultaneous effects of agricultural growth, industrialization and urbanization. … Read more Waste Water Management

 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 Tissues