Notes and Study material for Exams
The State of Jharkhand: Environmental Concerns The word Jharkhand connotes an area of land covered with forests. The word Jharkhand has been derived from the Sanskrit word, Jhari Khanda the ancient name depicting the regions’ dense forest. Thus, naturally as well as symbolically, the states’ very existence is associated with forests. Another remarkable aspect … Read more
Preparation of Oxygen Oxygen is prepared in lab generally in two ways either by the application of heat or no application of heat. Using heat: Oxygen in lab is prepared by heating the mixture of powdered potassium chlorate and manganese dioxide in the ratio 4:1 in a hard glass test tube. The oxygen gas is … Read more
The history of disasters in Karnataka reveals that a series of various types of disasters that have struck the State over the years with devastating effects. Years 2005 and 2006 have seen devastating floods in the Districts of Gulbarga, Belgaum, Bijapur, Bidar, Bagalkot, Raichur etc., as a result of outflow of excess water from … Read more
Road: MP’s performance in utilization of PMGSY funds during XI Plan has been widely appreciated but adequate funds were not provided on the pretext of PMGSY guidelines. State has been able to provided road connectivity to all villages as per the guidelines in short period as compare to other states. To meet the goal of … Read more
Addition of certain substances to the water such as organic, inorganic, biological, radiological, heat, which degrades the quality of water so that it becomes unfit for use. Putrescibility is the process of decomposition of organic matter present in water by Microorganisms using Oxygen. Water having DO (dissolved oxygen) content below 8.0 mg/L may be … Read more
Climate Change It is the long term change in the statistical distribution of weather patterns over periods of time Though it has been happening naturally for millions of years, in recent years it has accelerated due to anthropogenic causes and has been causing Global Warming. UNFCCC defines Climate Change as – “a change of climate … Read more
Chhattisgarh is poised to become the power hub of India. Installed capacity is 5624 MW. The abundant availability of coal ensures constant supply of raw material for future thermal power projects . Chhattisgarh Government actively assists private power producers to set up power projects in the state. State Government has created the RENEWABLE … Read more
Thermal power program of India More than 65% of India’s electricity generation capacity comes from thermal power Plants, with 85% of the country’s thermal power generation being coal-based. The ten biggest thermal power stations operating in India are all coal-fired, with five of them owned and operated by state-run National Thermal Power Corporation (NTPC). Vindhyachal Thermal … Read more
Remote sensing: principles, electromagnetic spectrum, components and applications Remote sensing, also called earth observation, refers to obtaining information about objects or areas at the Earth’s surface without being in direct contact with the object or area. Humans accomplish this task with aid of eyes or by the sense of smell or hearing; so, remote sensing … Read more
Biotechnology in environmental clean up process Landfill Technologies Solid wastes account for an increasing proportion of the waste generated by urban societies. While a part of this volume consists of glass, plastics, and other non-biodegradable material, a considerable proportion of this is made of decomposable solid organic material, like food wastes from large … Read more