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By Savita S. More

Class 4 Social Science Our Industries

 

Q: What are the essential factors required for setting up an industry?

A: Raw materials, machines, electricity, human labour, money, transport, and a market.

 

Q: How are industries classified based on raw materials?

A: Agro-based, mineral-based, and forest-based industries.

 

Q: Give examples of large-scale industries.

A: Iron and steel, cotton textile, automobile, shipbuilding, oil refineries, sugar, and locomotive industries.

 

Q: What characterizes small-scale industries?

A: They use small machines, simple tools, and employ fewer people.

 

Q: Provide examples of goods produced in cottage industries.

A: Baskets, cane furniture, handloom-woven cloth, and clay products.

 

Q: What is the significance of the market in the industrial process?

A: The market serves as a bridge between buyers and sellers, facilitating the sale of finished goods.

 

Q: How does industrialization in India contribute to economic development?

A: Industrialization in India has led to remarkable developments in computer science, research, and space industries, contributing to overall economic growth.

 

Q: Why is transport important for industries?

A: Transport helps bring raw materials to factories and delivers finished goods to the market.

 

Q: What are the main raw materials for the Iron and Steel Industry?

A: Iron ore, coal, and limestone are the primary raw materials for the Iron and Steel Industry.

 

Q: What distinguishes large-scale industries from small-scale industries?

A: Large-scale industries require significant infrastructure, skilled labor, and operate with big machines to produce goods in large quantities, while small-scale industries use smaller machines and employ fewer people.

 

Q: How do cottage industries differ from large-scale industries?

A: Cottage industries are small-scale, often home-based, with low investment, simple tools, and local raw materials, whereas large-scale industries operate on a much larger scale with significant infrastructure.

 

Q: What role does the market play in the industrial process?

A: The market acts as a medium for selling finished goods, connecting producers with buyers and facilitating economic transactions.

 

Q: How do industries contribute to national income?

A: Industries earn foreign currency through exports, which adds to the national income of a country.

 

Q: Why are raw materials essential for setting up an industry?

A: Raw materials are inputs used in the production process, influencing the quantity produced and the cost of the final product.

 

Q: Name some examples of forest-based industries.

A: Timber and paper industries are examples of forest-based industries, obtaining raw materials from forests.

 

Q: What characterizes the work in cottage industries?

A: In cottage industries, work is typically done by craftsmen, often from the same family, using simple tools and local raw materials.

 

Class 4 Social Science Question and Answers

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