Plate tectonics

  The uppermost outer solid and rigid layer of the earth is called crust. Its thickness varies considerably. It is as little as 5 km thick beneath the oceans at some places but under some mountain ranges it extends upto a depth of 700km. Below the crust denser rocks are found, known as mantle crust. … Read more Plate tectonics

Sustainable and Inclusive Growth

The term Sustainable growth became prominent after the World Conservation Strategy Presented in 1980 by the International Union for the Conservation of Nature and Natural Resources. Brundland Report(1987) define sustainable development as the a process which seek to meet the needs and aspirations of the present generation without compromising the ability of the future generation … Read more Sustainable and Inclusive Growth

WHITE REVOLUTION IN INDIA

WHITE REVOLUTION IN INDIA   The package programme adopted to increase the production of milk is known as White Revolution in India. The White Revolution in India occurred in 1970, when the National Dairy Development Board (NDDB) was established to organize the dairy development through the co-operative societies. Varghese Kuerin was the father of White … Read more WHITE REVOLUTION IN INDIA

Greenhouse effect

  The greenhouse effect is a natural process that warms the Earth’s surface. When the Sun’s energy reaches the Earth’s atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases. It is the process by which radiation from a planet’s atmosphere warms the planet’s surface to a … Read more Greenhouse effect

Discuss the possibilities of non- Conventional energy in India. 6 marks 2007

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 Discuss the possibilities of non- Conventional energy in India. 6 marks 2007

Tsunamis

      A tsunami is a very long-wavelength wave of water that is generated by sudden displacement of the seafloor or disruption of any body of standing water. Tsunami are sometimes called “seismic sea waves”, although they can be generated by mechanisms other than earthquakes. Tsunami have also been called “tidal waves”, but this … Read more Tsunamis

Various National Missions and Programmes:-

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 Various National Missions and Programmes:-

Interior of earth,

  Most of the knowledge we have about Earth’s deep interior comes from the fact that seismic waves penetrate the Earth and are recorded on the other side.  Earthquake ray paths and arrival times are more complex than illustrated in the animations, because velocity in the Earth does not simply increase with depth. Velocities generally … Read more Interior of earth,

Tropical and temperate cyclones

    The atmospheric disturbances which involve a closed circulation about a low pressure centre, anticlockwise in the northern atmosphere and clockwise in the southern hemisphere are called cyclones. They fall into the following two broad categories: (a) Extra-tropical or Temperate and (b) tropical cyclones. (a) Temperate Cyclones Temperate cyclones are formed along a front … Read more Tropical and temperate cyclones

SERICULTURE IN INDIA

SERICULTURE IN INDIA Production Silkworm larvae are fed on mulberry leaves and after the fourth molt, they climb a twig placed near them and spin their silken cocoons. The silk is a continuous-filament fibre consisting of fibroin protein, secreted from two salivary glands in the head of each larva, and a gum called sericin, which … Read more SERICULTURE IN INDIA