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Class 10 chapter 3 Water Resources - dams and multipurpose river valley project

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Water resources are the title of the chapter 3 in the textbook Geography of Social Studies for class 10. In the chaper Water Resources , various topics related to water as a resource are dealt with which include the meaning of freshwater , water conservatio n and management, dams and multipurpose valley projects , their merits and demerits, water disputes, water scarcity  and rain water harvesting methods . Umiam Dam in Shillong  |  image: Wikimedia Following are questions and answers from this chapter. Good luck. Q. What is freshwater? Water obtained from surface runoff and groundwater is termed freshwater. Q. How is water distributed on earth? ANS. About 95.5% of the total volume of water in the world lies in oceans. Only 2.5% of water is freshwater existed in different forms. 70% of all the freshwater occurs as ice and glaciers in different parts of the world. The remaining 30% of freshwater is stored underground. Q. How much is India received of the global precipita...
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Class 10 chapter 2: Land Resources - land use pattern, alluvial soil, fallow land, terrace farming

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Land resources is the name of chapter 2 from the Social Studies Textbook of class 10. The chapter explains land as a resource, land degradation, types of soil, types of alluvial soil, soil erosion and terrace farming methods. Terrace farming in Meghalaya    | image:pexel Following are the possible questions that could be asked from this chapter. Q. Name two factors that determine the land use pattern . ANS. The land-use patterns are determined by the following two factors -  Physical factors - such as topography, climate and soil type. Human factors - include population, density, technological capability and cultural traditions etc. Q. What is the total geographical area of India? ANS. 3.28 million square kilometres. What is a fallow land? ANS. The fallow land island is not utilised or not cultivated. Fallow land is of two types -  1. Current fallow land - the land which is not used for cultivation for one year or less is called current fallow land. 2. Other than ...
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Rainwater harvesting - methods of rainwater harvesting in different places in Rajasthan, India

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What is rainwater harvesting? Discuss the various methods of rainwater harvesting in hilly, floodplains and semi-arid regions of Rajasthan (India) ANS. Rainwater harvesting means collecting rainwater for various purposes to be used in the future. Rajasthan is the driest state in India. Rajasthan is a state in India which is mostly desert, receives the least amount of rainfall and suffers from acute water scarcity throughout the year. People in Rajasthan devised different methods to harvest and collect the rainwater. 1. In hilly regions of Rajasthan like Bikaner, Phalodi and Barmer, almost all houses have underground tanks called Tankas in which people collect rainwater for drinking purposes. 2. In the floodplains of Rajasthan, many people collected rainwater from the rooftop for drinking purposes. 3. In semi-arid regions of Rajasthan such as in Jaisalmer, people collect rainwater in their agricultural fields through a technique called Khadins or Johads. Khadins are underground storage ...
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