WBPSC Prelims and Mains Notes-WBPSC Test Series
Name Geographical location and populations History and lineage Economic activity Social and Family life MEENA Constitute about 51.20% of population and concentrated in districts of Jaipur,Dausa,Sawai Madhopur,Rajsamand and Udaipur Word meena means fish, Chandrabhardai states their origin to the kingdom south of alwar,dausa and bharatpur prior to Rajput rule They are divided into the Zamindars … Read more
located where river meets the sea. the most productive water bodies in the world The complete salinity range from 0-35 ppt is seen from the head (river end) to the mouth (sea end) of an estuary Coastal lakes which have their connection with the sea through small openings are better known as lagoons or … Read more
Drainage: Flow of water through well-defined channels. Network of such channels is called a drainage system . Drainage basin: An area drained by a river and its tributaries. Watershed: Boundary line separating one drainage basin from other. River basins are larger watersheds. Drainage pattern of an area depends on the geological time period, nature and … Read more
Wahabi Shah Abdul Aziz & Saiyed Ahmad Raebarelvi. Objective was to reform the Muslim Movement society& convert ‘Dur-ul-Harb’ (Non-Islamic community) into ‘Dar-ul-Islam’. Origianlly the movement was started in Arabia by Muhammad Ibn-Aba-e-Wahid. Its main centre was Patna, Sittana (NW province). Kuka Bhai Ram Singh (Disciple of Bhai Balak Singh). It is also called … Read more
Natural Ecosystem- Terrestrial- Forests, Grasslands, Deserts Aquatic- Fresh Waters, Saline Waters, Marine Waters Ecotone :- a zone of junction between two or more diverse ecosystems. For e.g. the mangrove forests represent an ecotone between marine and terrestrial ecosystem. Characteristics of Ecotone It may be very narrow or quite wide. It has the conditions intermediate … Read more
Army Army fulfilled four important functions: Instrument to conquer Indian powers Defended the British Empire in India against foreign rivals Safe-guarded against internal revolt Chief instrument for extending and defending the British Empire in Asia and Africa. Bulk of the army consisted of Indians. In 1857, of the total strength of 311400, about 265900 were … Read more
Introduction India’s missile programme took a shot from space programme, beginning 1967. In 1972, Rohini- a 560 two-stage, solid propulsion sounding rocket was developed and test fired India first launched its small 17-tonne SLV-3 space booster in 1979 India successfully injected the 35 kg Rohini I satellite into near-earth orbit in 1980. In … Read more
found where rainfall is about 25-75 cm per year, not enough to support a forest, but more than that of a true desert. vegetation formations that are generally found in temperate climates. In India, they are found mainly in the high Himalayas. The rest of India’s grasslands are mainly composed of steppes and savannas. … Read more
Chemical equilibrium Chemical equilibrium is a state in which the rates of the forward and reverse reactions are equal and the concentrations of the reactants and products remain constant. Equilibrium is a dynamic process i.e. the conversions of reactants to products and products to reactants are still going on, although there is no net change … Read more
Three Geological divisions: The peninsular block The Himalayas and other Peninsular Mountains Indo-Ganga-Brahmaputra Plain Peninsualar block is made of gneisses (metamorphic) and granites (igneous). Six physiographic divisions: The Northern and North-eastern Mountains The Northern Plain The Peninsular Plateau The Indian Desert The Coastal Plains The Islands Northern and North-Eastern Mountains Approximate length of the … Read more