DCMISOCIALSCIENCESCLASSX

ASSIGNMENT CH: SECTORS OF THE INDIAN ECONOMY (EOC) 1. Do you think the classification of economic activities into primary, secondary and tertiary is useful? Explain how. Answer :The classification of economic activities into primary, tertiary and secondary is useful on account of the information it provides on how and where the people of a country are employed. also this helps in ascertaining as to which sector of economic activity contributes more or less to the country’s GDP and per capita income. If the tertiary sector is developing much faster than the primary sector, then it implies that agriculture is depleting, and the government must take measures to rectify this. The knowledge that the agricultural profession is becoming unpopular or regressive can only come if we know which sector it belongs to. Hence it is necessary to classify economic activities into these there sectors for smooth economic administration and development. 2. For each of the sectors that we came ac

1 What is dam? Ans   a barrier across the flowing water. 2 What is multipurpose? Ans A river valley project which serves a number of purposes such as irrigation, flood control and generates hydroelectricity e.g. the Bhakra Nangal. 3 What is perennial canals ? Canals developed by diverting water from river that flow throughout the year. 4 What is water scarcity?   Shortage of water as compare to its demand is called water scarcity. 5 What is rainwater harvesting? It is a technique of increasing the recharge of ground water by capturing and storing the rain water , by constructing structures such as percolating pits ,check dams ,etc. 6 What is ground water? Water which is obtained from a depth of   more than 15 metre is known as ground water. 7   What is hydrological cycle? The continuous movement of water on , above and below the surface of earth. 8 Name any 2 social movements which have being launched against the multipurpose project?   ‘Narmada Bhach

Questions & Answers  Chapter 1.pmd (ncert.nic.in) Q.1. Define a resource. Ans: Everything available in our environment which can be used to satisfy our needs, provided it is technologically accessible, economically feasible and culturally acceptable can be termed as Resource. Resources are a function of human activities. Human beings themselves are essential components of resources. They transform material available in our environment into resources and use them. Q.2. How resources are classified? Ans: Resources can be classified in the following ways – (a) On the basis of origin – biotic and abiotic (b) On the basis of exhaustibility – renewable and non-renewable (c) On the basis of ownership – individual, community, national and international (d) On the basis of status of development – potential, developed stock and reserves. Q.3. what is meant by biotic resources? Ans: Biotic resources are obtained from biosphere and have life such as human beings, flora and fauna, fisheries, l