APSC Prelims and Mains Notes, APSC Test Series
The Peninsular plateau is flanked by stretch of narrow coastal strips, running along the Arabian Sea on the west and the Bay of Bengal on the east. The western coast, sandwiched between the Western Ghats and the Arabian Sea, is a narrow plain. It consists of three sections. The northern part of the coast is … Read more
Critical infrastructure is a term used by the governments to describe assets that are essential for the functioning of a society and economy. The term Critical infrastructure has been widely adopted to distinguish those infrastructure elements that, if significantly damaged or destroyed, would cause serious disruptions of the dependent system or organisation. Storm, deluge … Read more
The atmosphere is made up of different types of gases, water vapors and dust particles. The composition of the atmosphere is not static. It changes according to the time and place. Water vapor is unique in that its concentration varies from 0-4% of the atmosphere depending on where you are and what time of … Read more
Monsoon is that axis around which revolves the entire agricultural cycle of India. It is because about 64 per cent people of India depend on agriculture for their livelihood and agriculture itself is based on southwest monsoon. Except Himalayas all the parts of the country have temperature above the threashold level to grow the crops … Read more
There are places on Earth that are so cold that water is frozen solid. These areas of snow or ice, which are subject to temperatures below 32°F for at least part of the year, compose the cryosphere. The term “cryosphere” comes from the Greek word, “krios,” which means cold. Ice and snow on land are one part … Read more
A watershed is the geographic area through which water flows across the land and drains into a common body of water – stream, river, lake, or ocean. The watershed boundary follows the highest ridgeline around the stream channels which separates the water flow which may be basically rainwater, groundwater, water from melting snow etc. and … Read more
A large section of Indian population lives in villages and is mainly engaged in agriculture. They belong to weaker section of the society. There is a definite trend of rural population migrating to the urban areas due to lack of employment opportunities, low earnings, insufficient means of transport and insanitary living conditions. The latter is … Read more
Small farming systems not only have fed much of the world population for centuries and continue to feed people in many parts of the planet, especially in developing countries, but also have the potential to bring solutions to many uncertainties facing humanity in a peak oil era of global climate change and financial crisis. Recent … Read more
(a)Great lakes Great Lakes of North America are a series of interconnected freshwater lakes which connect to the Atlantic Ocean through the Saint Lawrence Seaway.Consisting of Lakes Superior, Michigan, Huron, Erie, and Ontario . Superior, Huron, Michigan, Erie, and Ontario [In the order of largest to smallest].Lake Superior is the largest continental lake in the … Read more
Continental shield, any of the large stable areas of low relief in the Earth’s crust that are composed of Precambrian crystalline rocks. The age of these rocks is in all cases greater than 540 million years, and radiometric age dating has revealed some that are as old as 2 to 3 billion years.Shield areas in general are … Read more