BPSC Prelims and Mains Notes, BPSC Test Series
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
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
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
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
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,
Beginning of the Universe started about 13.6 billion years ago,when the Big Bang created the universe from a point source. During this process, light elements, like H, He, Li, B, and Be formed. From this point in time, the universe began to expand and has been expanding ever since. Concentrations of gas and … Read more Origin and evolution of earth
The Gupta Empire stretched across northern, central and parts of southern India between c. 320 and 550 CE. The period is noted for its achievements in the arts, architecture, sciences, religion, and philosophy. Chandragupta I (320 – 335 CE) started a rapid expansion of the Gupta Empire and soon established himself as the first sovereign ruler of the empire. It marked the end of 500 hundred … Read more The Guptas : Extent of empire; development of language and Literature, art St architecture during the Gupta period.
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:-
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
Indian Agriculture Mainstay of Indian Economy Since independence, undergone a change from being the sector contributing the highest share to the GDP to one contributing the lowest share. Agriculture is a state subject. GDP contribution (Agriculture and allied sector) 5 pc in 1950-51 7 pc in 2008-09 and 14.6 pc in 2009-10. It was 19 … Read more Indian Agriculture- Current Status, Issues & initiatives.