WBPSC Prelims and Mains Notes-WBPSC Test Series
The temperature is the measurement in degrees of how hot (or cold) a thing (or a place) is. The temperature of the atmosphere is not same across the Earth. It varies in spatial and temporal dimensions. The temperature of a place depends largely on the insolation received by that place. The interaction of insolation … Read more
India has a capacity to develop about 1,95,000 MW of non-conventional energy resource. India was the first country in the world to set up a ministry of non-conventional energy resources, in early 1980s.Various form of non-conventional energy being harnessed in India are as follows:- Solar:- India receives sunlight for 300 days/year and thus has a … Read more
They are aggregates or physical mixture of one or more minerals. Minerals on the other hand are made up of two or more elements in a definite ratio. They have a definite chemical composition. Crust is made up of more than 2000 minerals, but out of these, 6 are the most abundant and … Read more
An atmosphere is a layer of gases surrounding a planet or other material body, that is held in place by the gravity of that body. Many of the planets in this solar system have atmospheres, but none that we know of have an atmosphere quite like ours – one that can support life. The … Read more
An increase in the average temperature of Earth’s near surface air and oceans since the mid-20th century 4th assessment report of IPCC: global temperature increased 74+0.18 degree C during the 20th century. Caused by greenhouse gases Water vapour, Co2, Methane, Nitrous Oxide, Ozone, CFCs (in order of abundance) Since the industrial revolution, the burning of fossil fuels has increased … Read more
MNREGA Jan Dhan Yojna Atal Pension Yojna Skill India Mission Deen Dayal Upadhyaya Gram Jyoti Yojana Pradhan Mantri Suraksha Bima Yojana Pradhan Mantri Jeevan Jyoti Bima Yojana Sukanya Samridhi Yojana Pradhan Mantri Garib Kalyan Yojana Jan Aushadhi Yojana (JAY) Nai Manzil Scheme for minority students The Pradhan Mantri Awas Yojana (PMAY) or Housing for all … Read more
SECOND GREEN REVOLUTION The main objectives of the second Green Revolution are: (i) To raise agricultural productivity to promote food security (ii) More emphasis on bio-technology (iii) To promote sustainable agriculture (iv) To become self-sufficient in staple food, pulses, oil seeds, and industrial raw material (v) To increase the per capita income of the farmers … Read more
Table of content Weathering Mass Wasting Erosion and Deposition Soil Formation Landscape (Geological) Cycles Davis Cycle Penck Cycle Weathering Weathering is the general term applied to the combined action of all processes that cause rock to disintegrate physically and decompose chemically because of ex- posure near the Earth’s surface through the elements of … Read more
The ultimate source of atmospheric energy is in fact heat and light received through space from the Sun. This energy is known as solar insolation. The Earth receives only a tiny fraction of the total amount of Sun’s radiations. Only two billionths or two units of energy out of 1,00,00,00,000 units of energy … Read more
CHARACTERISTICS AND PROBLEMS OF INDIAN AGRICULTURE Subsistent in Character Heavy Pressure of Population Predominance of Food Grains Mixed Cropping High Percentage of the Reporting Area under Cultivation Small Size of Holdings and Fragmentation of Fields Limited Intensive Agriculture Primitive Technology Indian Agriculture is Labour Intensive Rain-fed Agriculture Less Area under Leguminous and Fodder Crops Tradition … Read more