Solve the puzzle (given in NCERT Book)
Question 1: Which of the following industries use limestone as raw material?
Answer: (b) Cement
Question 2: Which one of the following agencies markets steel for the public sector plants?
Answer: (b) SAIL
Question 3: Which one of the following industries uses bauxite as a raw material?
Answer: (a) Aluminium
Question 4: Which one of the following industries manufactures telephones, computer, etc.
Answer: (c) Electronic
Question 5: What is manufacturing?
Answer: Production of goods in large quantities after processing the raw materials into more valuable products is called manufacturing.
Question 6: Name any three physical factors for the location of the industry.
Answer: Three physical factors which affect the industrial location are as follows:
Question 7: Name any three human factors for the location of an industry.
Answer: Three human factors which affect the industrial location are as follows:
Question 8: What are basic industries? Give an example.
Answer: The basic industries supply their products or raw materials to manufacture other goods, e.g. iron and steel, copper smelting, aluminium smelting.
Question 9: Name the important raw materials used in the manufacturing of cement?
Answer: Limestone, silica, alumina and gypsum
Question 10: How are integrated steel plants different from mini steel plants? What problems does the industry face? What recent developments have led to a rise in the production capacity?
Answer: An integrated steel plant does all the activities involved in the value chain of steel manufacturing. Such plant begins from making steel from iron ore and end up in making steel products which are needed by the industry. Mini steel plants, on the other hand, buy finished steel from larger plants and produce various goods from that; like utensils, tools, etc.
Question 11: How do industries pollute the environment?
Answer: Industries mainly pollute the air and water. Factories emit smoke which contains harmful gases. These gases cause air pollution. Factories produce effluents and release them into rivers and pond. Thus, water pollution is cause by factories. Many factories; like thermal power plant; also cause thermal pollution of water by releasing hot water into rivers and ponds. Additionally, factories also play a major role in soil pollution.
Question 12: Discuss the steps to be taken to minimise environmental degradation by industry?
Answer:Preventing Environmental Degradation by Industry:
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