Notes and Study material for Exams
Any – body of standing water, generally large enough in area and depth, irrespective of its hydrology, ECOLOGY, and other characteristics is generally known as lake. Ageing of Lakes The nutrient enrichment of the lakes promotes the Growth of algae, aquatic Plants and various Fauna. This process is known as natural eutrophication. Similar nutrient … Read more
Deserts are formed in regions with less than 25 cm of annual rainfall, .or sometimes in hot regions where there is more rainfall, but unevenly distributed in the annual cycle. Lack’ of rain in the mid latitude is often due to stable high pressure zones; deserts in temperate regions often lie in “rain shadows”, … Read more
Ecology is defined “as a scientific study of the relationship of the living organisms with each other and with their Environment.” The classical texts of the Vedic period such as the Vedas, the Samhitas, the Brahmanas and the Aranyakas–Upanishads contain many references to ecological concepts .The Indian treatise on medicine, the Caraka- Samhita … Read more
Classification involves putting things into a class or group according to particular characteristics so it’s easier to make sense of them, whether you’re organizing your shoes, your stock portfolio, or a group of invertebrates. From all competitive examination classification is one of the most important topics, this pattern come with lot of questions minimum they … Read more
Rajasthan is noted for its National Parks and Wildlife Sanctuaries. There are three national parks viz. the Keoladeo National Park of Bharatpur, Ranthambore National Park of Sawai Madhopur, and Mukundara Hills National Park of Kota. Ranthambore National Park and Sariska Wildlife Sanctuary are both known worldwide for their tiger Population and considered by both … Read more
ECOLOGY Ecology is defined “as a scientific study of the relationship of the living organisms with each other and with their Environment.” The classical texts of the Vedic period such as the Vedas, the Samhitas, the Brahmanas and the Aranyakas–Upanishads contain many references to ecological concepts .The Indian treatise on medicine, the Caraka- Samhita … Read more
Petroleum, natural gas, coal, nitrogen, uranium and water power are examples of conventional sources of energy. They’re also called non-renewable sources of energy and are mainly fossil fuels, except water power. Rising Growth of Population has created a tremendous pressure on the conventional Resources of energy and thus the Concept of Sustainable Development get prominent … Read more
Water is a prime natural resource, a basic human need and a precious national asset. Planning, development and management of water Resources need to be governed by national perspectives. India accounts for about 2.45 per cent of world’s surface area, 4 per cent of the world’s Water Resources and about 16 per cent of … Read more
In India, at present forest areas cover about 76.5 million hectares of land, which is about 23 per cent of the total geographical area. It ranges from about 87 per cent in Andaman & Nicobar Islands to only about 4 percent in Haryana making to range difference of 83 percent. According to our National … Read more
Water Resources Rainfall: With an Average annual rainfall of 1,170 mm, India is one of the wettest countries in the world. At one extreme are areas like Cherrapunji, in the northeast, which is drenched each year with 11,000 mm of rainfall, and at the other extreme are places like Jaisalmer, in the west, which receives … Read more