1.What is manufacturing? To which sector of economy does it belong?
2.Write the importance of ‘manufacturing sector’ for our nation. Or, “Manufacturing industry is
considered the backbone of economic development of India.” Give reasons.
3. “Agriculture and industry are not exclusive of each other, but move hand in hand.” Give
arguments in favour of this statement.
4.Why are most of the iron and steel industries concentrated in and around Chotanagpur Plateau
Region? Give reasons.
5.What problems does the iron and steel industry in India face? Or, Why is India not able to
perform to her full potential in iron and steel production? Explain.
6.Write four characteristics and four major uses of aluminium. Write Distribution of aluminium
smelting plants set up in India
7.Give reasons to highlight the importance of chemical industry in Indian economy.
8.“Electronic industry has revolutionized the life of the masses and the country’s economy.” Justify
the statement with suitable arguments.
Answers
Answer:
(1)
Production of goods in large quantities after processing from raw materials to more valuable products is called manufacturing.Manufacturing belongs to secondary sector.
(2)
Manufacturing industries not only help in modernising agriculture, they also reduce the heavy dependence of people on agricultural income by providing them jobs in secondary and tertiary sectors.
(3)Agriculture and Industry are not exclusive of each other" because: (i) Industries depend on agriculture for their raw materials. (ii) Industries sell their products such as irrigation pumps, fertilizers etc to the farmers.
(4)This region has vast reserves of coal and iron ore. Also, iron ore is cheaply available in the region, thus providing the raw material for iron and steel industries.
(5)Four problems faced by iron and steel industries in India are: Limited availability and high costs of coking coal. Lower productivity of labour. Irregular supply of electricity.
(6)4 Most Common Uses of Aluminium
Low density.
High thermal conductivity.
Very malleable metal.
Non-toxic.
(7)The chemical industry in India is fast growing and diversifying. It contributes approximately 3 percent of GDP. Also In organic chemicals include sulphuric acid, nitric acid, alkalies soda and caustic soda.
(8)The electronics industry covers a wide range of products from transistor sets to television, telephones, cellular telecom, pagers, telephone exchange, radars, computers and many other equipments required by the telecommunication industry. A major impact of this industry has been on employment generation.