MPSC Mains Paper I Geography

Effects of Migration: Economic Consequences A major benefit for the source region is the remittance sent by migrants. Remittances from the international migrants are one of the major sources of foreign exchange. In 2002, India received US $11 billion as remittances from international migrants. Punjab, Kerala and Tamil Nadu receive very significant amount from their international … Read more

Global Warming and Its Impact Global warming is the slow increase in the average temperature of the earth’s atmosphere because an increased amount of the energy (heat) striking the earth from the sun is being trapped in the atmosphere and not radiated out into space. The earth’s atmosphere has always acted like a greenhouse to capture the … Read more

Biodiversity-Defination, types, importance, hotspots, threats and conservation The term biodiversity was coined as a contraction of biological diversity by E.O. Wilson in 1985. Biodiversity may be defined as the variety and variability of living organisms and the ecological complexes in which they exist. In other words, biodiversity is the occurrence of different types of ecosystems, … Read more

Environmental legislation The awareness and consideration for environment covers several environmental issues such as pollution of water, air and soil, land degradation, industrialization, urbanization, depletion of natural resources etc. Environmental Law plays a very crucial and important role in regulating the use of natural resources and in protecting the environment. The success of environmental legislations … Read more

Remote sensing- GIS and its application   Remote Sensing Remote sensing is the acquisition of information about an object or phenomenon without making physical contact with the object and thus in contrast to on-site observation. In current usage, the term “remote sensing” generally refers to the use of satellite- or aircraft-based sensor technologies to detect … Read more

  Solid Waste Management Solid waste management is basic public services which every citizen should have access to, both for health and hygiene, and for ensuring a good quality of living. Sanitation here refers to toilet facilities, whereas solid waste management refers to the management collection and disposal of solid waste (as opposed to liquid … Read more

Regional imbalances and income inequalitiies in India: Steps taken by the Government to reduce it. Regional imbalance is the disparity in economic and social development of two regions. One region/city/area is stronger than another region/city/area. Regions develop when investments are made to set up industries, service sectors, educational institutions, health care facilities etc. Income inequality is the unequal distribution of … Read more

Settlement can be defined as any form of human habitation which ranges from a single dwelling to large city. The word settlement has another connotation as well as this is a process of opening up and settling of a previously uninhabited area by the people. In geography this process is also known as occupancy. Settlements … Read more

Introduction Urban areas have been recognized as “engines of inclusive economic growth”. Of the 121 crore Indians, 83.3 crore live in rural areas while 37.7 crore stay in urban areas, i.e approx 32 % of the population. The census of India, 2011 defines urban settlement as :- All the places which have municipality, corporation, cantonment board … Read more

Urban spheres of influence and rural urban fringe Urban spheres of influence Urban spheres of influence reflect centre-to-hinterland relationship, compared with the non-central region, the centre assumes more complex economic functions, and provides more economic activities. Famous theoretical contributions to this research field are the Central Place Theory (Christaller, 1933), the extension to the Central … Read more