WBPSC Prelims and Mains Notes-WBPSC Test Series
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
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
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
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
Synthetic fibers (nylon and rayon),, polystyrene Synthetic fibers are made from raw materials such as petroleum, based on chemicals or petrochemicals. These materials are polymerized into a long, linear chemical with different chemical compounds and are used to produce various types of fibers. Synthetic fibers account for about half of all fiber usage, … Read more Synthetic Fibers
Dry cell A dry cell is an electrochemical cell that uses a low-moisture electrolyte instead of a liquid electrolyte as a wet cell does. This feature makes the dry cell much less prone to leaking and is therefore more suitable for portable applications. The zinc-carbon battery is one of the most common examples … Read more Dry Cell
Indian telecom industry with brief history India’s telecommunication network is the second largest in the world by number of telephone users (both fixed and mobile phone) with 1.153 billion subscribers as on 31 May 2018. It has one of the lowest call tariffs in the world enabled by mega telecom operators and hyper-competition … Read more Indian Telecom Industry With Brief History
Vaccines A vaccine is a biological preparation that improves immunity to a particular disease. A vaccine typically contains an agent that resembles a disease-causing microorganism, and is often made from weakened or killed forms of the microbe, its toxins or one of its surface proteins. The agent stimulates the body’s immune system to … Read more Vaccines
Enabling legislations, financial and procedural incentives, and business opportunities for investors Today, economy of India is the seventh largest in the world by nominal Gross Domestic Product (“GDP”) and third largest by purchasing power parity and the annual growth rate of GDP has been 7.3% from 2011 to 2015. The country is classified … Read more Enabling Legislations, Financial And Procedural Incentives, And Business Opportunities For Investors (2)