JKPSC Prelims and Mains Notes, JKPSC Test Series
Organic farming system in India is not new and is being followed from ancient time. It is a method of farming system which primarily aimed at cultivating the land and raising crops in such a way, as to keep the soil alive and in good health by use of organic wastes (crop, animal and farm … Read more Organic Agriculture. 4 marks 2008
Alfred Wegner was a German Meteorologist in the early 1900s who studied ancient climates. Like most people, the jigsaw puzzle appearance of the Atlantic continental margins caught his attention. He put together the evidence of ancient glaciations and the distribution of fossil to formulate a theory that the continents have moved over the … Read more Wegner’s Continental Drift Theory
Institutional Factors of Agriculture (1) Land Tenure and Land Tenancy (ii) Land Holding LAND REFORMS IN INDIA The basic objective of land reform is to do social justice with the tillers, land owners, landless labourers, and rural community with the set objective to provide security to the cultivators, to fix a rational rent, the conferment … Read more Institutional Factors of Agriculture (1) Land Tenure and Land Tenancy (ii) Land Holding
Airmasses An airmass is a large body of air with relatively uniform thermal and moisture characteristics. Airmasses cover large regions of the earth, typically several hundred thousand square kilometers. Airmasses can be as deep as the depth of the troposphere or as shallow as 1 to 2 km. Airmasses form when air remains … Read more Air masses and fronts
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 Composition, Structure and Stratification of the atmosphere
INDIAN AGRICULTURE—CHALLENGES AND PROSPECTS Some of the important challenges Indian agriculture is facing at present are given below: Stunted Yield: Dry Farming: Inadequate Marketing Facilities: Inadequate Formal Sources of Credit: Mismanagement of Public Distribution System: Sustainability of Agriculture: Soil Erosion:
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 Global warming
The ozone layer or ozone shield refers to a region of Earth’s stratosphere that absorbs most of the Sun’s ultraviolet (UV) radiation. It contains high concentrations of ozone (O3) relative to other parts of the atmosphere, although still very small relative to other gases in the stratosphere. The ozone “hole” is really a reduction in … Read more Explain “ Ozone layer “ and “Ozone Hole ”. 4 marks 2003
Iron ore plays a crucial role in the industrial development of a nation and various iron ore regions of the world are as follows:- 1- USA:- Lake Superior region, Northeastern region, southwestern region, western region. 2- Siegerland region of Germany. 3- China:- Manchuriyan deposits of Anshan, Yangtze valley and Hopie. 4- India:- Bihar and Orissa. … Read more Describe the major iron ore mining areas of the world. 4 marks 2010
Earthquakes occur when energy stored in elastically strained rocks is suddenly released. This release of energy causes intense ground shaking in the area near the source of the earthquake and sends waves of elastic energy, called seismic waves, throughout the Earth. Earthquakes can be generated by bomb blasts, volcanic eruptions, sudden volume changes in … Read more Earthquakes