Industries in India – CBSE NCERT Study Resources

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Industries in India

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5th

5th - Social Studies (SST)

Industries in India

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Overview of the Chapter

This chapter explores the different types of industries in India, their importance, and how they contribute to the country's economy. Students will learn about primary, secondary, and tertiary industries, as well as major industrial regions in India.

Industry: An industry refers to economic activities involved in the production of goods or the provision of services.

Types of Industries

Industries in India are classified into three main categories:

  • Primary Industries: These involve the extraction and production of raw materials, such as agriculture, mining, and fishing.
  • Secondary Industries: These include manufacturing and construction, where raw materials are processed into finished goods.
  • Tertiary Industries: These provide services, such as transportation, banking, and healthcare.

Major Industries in India

Some of the key industries in India include:

  • Textile Industry: One of the oldest and largest industries, producing fabrics like cotton, silk, and wool.
  • Iron and Steel Industry: Essential for infrastructure development, with major plants in Jamshedpur, Bhilai, and Bokaro.
  • Information Technology (IT) Industry: A rapidly growing sector, with hubs in Bengaluru, Hyderabad, and Pune.

Industrial Region: An area with a high concentration of industries and supporting infrastructure.

Industrial Regions in India

India has several major industrial regions, including:

  • Mumbai-Pune Region: Known for textiles, automobiles, and IT industries.
  • Delhi-Gurgaon-Noida Region: A hub for IT, electronics, and manufacturing.
  • Bengaluru-Chennai Region: Prominent for software, aerospace, and biotechnology.

Importance of Industries

Industries play a crucial role in India's development by:

  • Generating employment opportunities.
  • Contributing to the country's GDP.
  • Supporting infrastructure and technological advancements.

All Question Types with Solutions – CBSE Exam Pattern

Explore a complete set of CBSE-style questions with detailed solutions, categorized by marks and question types. Ideal for exam preparation, revision and practice.

Very Short Answer (1 Mark) – with Solutions (CBSE Pattern)

These are 1-mark questions requiring direct, concise answers. Ideal for quick recall and concept clarity.

Question 1:
Name the industry that uses raw materials from agriculture.
Answer:

The agro-based industry uses raw materials from agriculture, such as cotton for textiles or sugarcane for sugar production.

Question 2:
What is the main raw material used in the iron and steel industry?
Answer:

The main raw material used in the iron and steel industry is iron ore, along with coal and limestone.

Question 3:
Which city is known as the Manchester of India due to its cotton textile industry?
Answer:

Ahmedabad is known as the Manchester of India because of its large cotton textile industry.

Question 4:
Name one mineral-based industry in India.
Answer:

The iron and steel industry is a major mineral-based industry in India.

Question 5:
What type of industry is the pottery industry?
Answer:

The pottery industry is a cottage industry as it is usually small-scale and handmade.

Question 6:
Which state in India is famous for its silk industry?
Answer:

Karnataka is famous for its silk industry, particularly in cities like Mysore.

Question 7:
What is the role of labour in industries?
Answer:

Labour is essential for operating machinery, assembling products, and managing production processes in industries.

Question 8:
Name one public sector industry in India.
Answer:

The Indian Railways is a major public sector industry owned by the government.

Question 9:
Why is the textile industry important for India?
Answer:

The textile industry provides employment to millions, earns foreign exchange, and meets domestic clothing needs.

Question 10:
What is the difference between heavy and light industries?
Answer:

Heavy industries produce large and bulky goods like machinery, while light industries make smaller consumer goods like textiles.

Question 11:
Which industry is known as the sunrise industry in India?
Answer:

The information technology (IT) industry is called the sunrise industry due to its rapid growth.

Question 12:
Name one marine-based industry in India.
Answer:

The fishing industry is a marine-based industry that processes seafood for domestic and international markets.

Very Short Answer (2 Marks) – with Solutions (CBSE Pattern)

These 2-mark questions test key concepts in a brief format. Answers are expected to be accurate and slightly descriptive.

Question 1:
Name the three types of industries based on raw materials used.
Answer:

The three types of industries are:

  • Agro-based (e.g., cotton textile)
  • Mineral-based (e.g., iron and steel)
  • Forest-based (e.g., paper industry)
Question 2:
What is the main raw material used in the sugar industry?
Answer:

The main raw material used in the sugar industry is sugarcane. It is crushed to extract juice, which is then processed into sugar.

Question 3:
Why is the iron and steel industry called a heavy industry?
Answer:

The iron and steel industry is called a heavy industry because it involves large-scale production, heavy machinery, and bulky raw materials like iron ore and coal.

Question 4:
Name two agro-based industries in India.
Answer:

Two agro-based industries in India are:

  • Cotton textile industry
  • Jute industry
Question 5:
What role does transportation play in industries?
Answer:

Transportation helps in:

  • Moving raw materials to factories
  • Distributing finished goods to markets
  • Connecting industries with suppliers and customers
Question 6:
Which state is known as the 'Manchester of India' due to its cotton textile industry?
Answer:

Maharashtra, particularly Mumbai, is called the 'Manchester of India' because of its large cotton textile industry.

Question 7:
How does the paper industry impact forests?
Answer:

The paper industry relies on wood pulp, leading to deforestation. Sustainable practices like recycling and tree plantations help reduce this impact.

Question 8:
Name one mineral-based and one forest-based industry.
Answer:

  • Mineral-based: Iron and steel industry
  • Forest-based: Paper industry

Question 9:
Name the raw material used in the textile industry.
Answer:

The raw materials used in the textile industry include cotton, wool, silk, and jute. These materials are processed to make fabrics and clothes.

Question 10:
What is the main product of the iron and steel industry?
Answer:

The main product of the iron and steel industry is steel, which is used to make machinery, vehicles, and construction materials like beams and rods.

Question 11:
Which city is known as the Manchester of India and why?
Answer:

Ahmedabad is called the Manchester of India because it is a major center for the textile industry, just like Manchester was in England during the Industrial Revolution.

Question 12:
Name one agro-based and one mineral-based industry in India.
Answer:
  • Agro-based industry: Cotton textile industry (uses cotton as raw material).
  • Mineral-based industry: Iron and steel industry (uses iron ore and coal).
Question 13:
Why is the sugar industry called a seasonal industry?
Answer:

The sugar industry is called a seasonal industry because it depends on sugarcane, which is harvested only during a specific season (usually winter). Factories operate only when sugarcane is available.

Question 14:
What role do industries play in a country's economy?
Answer:

Industries help in:
1. Creating jobs for people.
2. Producing goods for daily use.
3. Earning money through exports.
4. Improving technology and infrastructure.

Question 15:
Name two important industrial regions in India.
Answer:

Two important industrial regions in India are:
1. Mumbai-Pune region (textiles, chemicals).
2. Chota Nagpur region (iron, steel, coal).

Question 16:
How does the automobile industry benefit India?
Answer:

The automobile industry benefits India by:
1. Providing employment to many people.
2. Manufacturing cars, bikes, and trucks for transport.
3. Contributing to the country's economic growth.

Short Answer (3 Marks) – with Solutions (CBSE Pattern)

These 3-mark questions require brief explanations and help assess understanding and application of concepts.

Question 1:
What are the three main types of industries in India? Give one example of each.
Answer:

The three main types of industries in India are:

  • Primary Industries: These involve extracting raw materials. Example: Agriculture (farming).
  • Secondary Industries: These process raw materials into finished goods. Example: Textile industry (making clothes).
  • Tertiary Industries: These provide services. Example: Banking (financial services).
Question 2:
How does the textile industry contribute to India's economy?
Answer:

The textile industry is vital to India's economy because:

  • It provides employment to millions, including farmers, weavers, and factory workers.
  • It earns foreign exchange through exports of fabrics and garments.
  • It supports small-scale industries like handloom and handicrafts, preserving traditional skills.
Question 3:
Name two mineral-based industries in India and their importance.
Answer:

Two mineral-based industries in India are:

  • Iron and Steel Industry: It is the backbone of infrastructure, used in construction, machinery, and vehicles.
  • Cement Industry: Essential for building houses, roads, and bridges, supporting urbanization.
Question 4:
Why is the sugar industry mostly located in Uttar Pradesh and Maharashtra?
Answer:

The sugar industry is concentrated in Uttar Pradesh and Maharashtra because:

  • These states have fertile soil and a suitable climate for sugarcane cultivation.
  • They have well-developed transport networks to move raw sugarcane to factories.
  • Availability of cheap labor and government support boosts production.
Question 5:
What are the environmental impacts of industries? Suggest one way to reduce them.
Answer:

Industries cause environmental harm like:

  • Air pollution from factory smoke.
  • Water pollution due to chemical waste disposal.

One solution is using solar energy instead of coal to reduce pollution.

Question 6:
How do cottage industries differ from large-scale industries?
Answer:

The differences are:

  • Cottage Industries: Small, family-run units (e.g., pottery, weaving). Use simple tools and local resources.
  • Large-Scale Industries: Factories with machines (e.g., automobiles). Need huge investment and technology.
Question 7:
What are the three main types of industries in India based on raw materials? Give one example of each.
Answer:

The three main types of industries based on raw materials are:
1. Agro-based industries: These use plant or animal products as raw materials. Example: Cotton textile industry.
2. Mineral-based industries: These use minerals as raw materials. Example: Iron and steel industry.
3. Marine-based industries: These use sea or ocean products. Example: Fish processing industry.

Question 8:
Why is the textile industry important for India's economy?
Answer:

The textile industry is important because:
1. Employment: It provides jobs to millions of people, including farmers, weavers, and traders.
2. Foreign exchange: India earns money by exporting textiles to other countries.
3. Raw materials: It uses cotton, silk, and jute from Indian farms, supporting agriculture.
4. Cultural heritage: Handloom and handicraft textiles showcase India's rich traditions.

Question 9:
Explain how mineral-based industries contribute to India's development.
Answer:

Mineral-based industries contribute to development by:
1. Infrastructure: They produce steel, cement, and machinery needed for buildings, roads, and bridges.
2. Energy: Coal and petroleum industries provide fuel for power plants and vehicles.
3. Technology: Minerals like bauxite (for aluminum) are used in electronics and aerospace.
4. Employment: These industries create jobs in mining, manufacturing, and engineering.

Question 10:
What are the environmental impacts of industries, and how can they be reduced?
Answer:

Environmental impacts of industries include:
1. Pollution: Air (smoke), water (chemical waste), and land (plastic waste) pollution.
2. Resource depletion: Overuse of water, minerals, and forests.
Solutions:

  • Use clean technologies like solar energy.
  • Treat waste before releasing it.
  • Follow the 3Rs (Reduce, Reuse, Recycle).
  • Plant trees to balance deforestation.

Question 11:
Describe the role of the government in supporting industries in India.
Answer:

The government supports industries by:
1. Policies: Making rules like Make in India to encourage local manufacturing.
2. Infrastructure: Building roads, ports, and electricity supply for factories.
3. Loans: Banks provide loans to small businesses under schemes like MUDRA.
4. Training: Programs like Skill India teach workers new skills.
5. Protection: Taxes on imported goods help Indian industries compete.

Question 12:
How do small-scale industries differ from large-scale industries? Give two examples of each.
Answer:

Differences between small-scale and large-scale industries:
1. Investment: Small-scale need less money (e.g., pottery), while large-scale need crores (e.g., car manufacturing).
2. Workers: Small-scale employ fewer people (e.g., handicrafts), large-scale employ thousands (e.g., steel plants).
3. Location: Small-scale are in villages/towns, large-scale are in cities or industrial zones.

Long Answer (5 Marks) – with Solutions (CBSE Pattern)

These 5-mark questions are descriptive and require detailed, structured answers with proper explanation and examples.

Question 1:
Explain the importance of the textile industry in India, highlighting its contribution to the economy and employment.
Answer:

The textile industry is one of the most important industries in India because it plays a big role in the country's economy and provides jobs to many people.

Contribution to Economy: India is one of the largest producers of cotton and silk in the world. The textile industry contributes around 7% to India's total industrial output and 2% to the GDP. It also earns a lot of foreign money through exports of fabrics, clothes, and handicrafts.

Employment Generation: This industry provides jobs to millions of people, including farmers growing cotton, workers in factories, weavers, and designers. It supports both skilled and unskilled workers, helping reduce unemployment.

Cultural Importance: India's textile industry is famous for its traditional handloom and handicraft products like Banarasi silk, Kanchipuram sarees, and Pashmina shawls, which represent our rich culture globally.

Question 2:
Describe the different types of industries in India based on raw materials used, and give examples of each.
Answer:

Industries in India can be classified based on the raw materials they use. Here are the main types:

1. Agro-Based Industries: These use plant and animal products as raw materials. Examples include:

  • Cotton textile industry (uses cotton)
  • Sugar industry (uses sugarcane)
  • Leather industry (uses animal hides)

2. Mineral-Based Industries: These use minerals and metals as raw materials. Examples include:
  • Iron and steel industry (uses iron ore)
  • Cement industry (uses limestone)

3. Marine-Based Industries: These use products from the sea. Examples include:
  • Fish processing industry (uses fish)
  • Pearl industry (uses oysters)

4. Forest-Based Industries: These use forest products. Examples include:
  • Paper industry (uses wood pulp)
  • Rubber industry (uses latex from rubber trees)

Each type of industry is important for the country's growth and provides different kinds of products we use daily.

Question 3:
Explain the importance of the textile industry in India. How does it contribute to the economy and employment?
Answer:

The textile industry is one of the most important industries in India because it provides jobs to millions of people and earns money for the country.

Contribution to Economy: India is one of the largest producers of cotton and silk in the world. The textile industry helps in earning foreign exchange by exporting fabrics, clothes, and other products to other countries.

Employment Generation: This industry provides jobs to farmers (who grow cotton), workers in factories, weavers, designers, and shopkeepers. Many small-scale industries like handloom and handicrafts also depend on textiles.

Value Addition: The textile industry supports other industries like dyeing, printing, and packaging. It also promotes Indian culture through traditional designs and fabrics like Banarasi silk and Kanjeevaram sarees.

Question 4:
Describe the role of the iron and steel industry in India's development. How does it support other industries?
Answer:

The iron and steel industry is called the backbone of India's development because it provides raw materials for many other industries.

Role in Development: Iron and steel are used to build bridges, railways, machines, and buildings. Without this industry, infrastructure growth would be slow.

Supporting Other Industries:

  • Automobiles: Cars, trucks, and bikes are made using steel.
  • Construction: Buildings and roads need steel for strength.
  • Manufacturing: Machines and tools are made from iron and steel.

Value Addition: India is one of the top producers of steel in the world. Cities like Jamshedpur and Bhilai are famous for steel plants. This industry also creates jobs for engineers, miners, and factory workers.

Question 5:
Describe the steps involved in the production of sugar from sugarcane. Why is the sugar industry important for India?
Answer:

The production of sugar from sugarcane involves several steps:

1. Cultivation: Farmers grow sugarcane in fields with good soil and water.
2. Harvesting: When the sugarcane is ripe, it is cut and sent to sugar mills.
3. Crushing: In the mills, machines crush the sugarcane to extract juice.
4. Purification: The juice is heated and treated with lime to remove impurities.
5. Crystallization: The purified juice is boiled until sugar crystals form.
6. Drying & Packaging: The crystals are dried and packed for sale.

Importance of Sugar Industry: India is the second-largest producer of sugar in the world. This industry provides jobs to farmers, factory workers, and transporters. It also supports related industries like molasses (used for making alcohol) and bagasse (used for making paper and fuel). Sugar is an essential product used in homes and industries, making this sector very important for India's economy.

Question 6:
Describe the role of the iron and steel industry in India's development, including its impact on infrastructure and other industries.
Answer:

The iron and steel industry is a key driver of India's industrial growth and infrastructure development. Here's how it contributes:

  • Infrastructure Development: Iron and steel are essential for building roads, bridges, railways, and skyscrapers. Without this industry, modern infrastructure would not be possible.
  • Support to Other Industries: It supplies raw materials to industries like automobiles, machinery, construction, and shipbuilding, making it a core industry.
  • Employment Opportunities: It provides jobs to thousands of workers in mining, manufacturing, and transportation sectors.
  • Economic Growth: India is one of the top producers of steel globally, contributing significantly to the country's industrial output and exports.

Major steel plants like Tata Steel in Jamshedpur and SAIL (Steel Authority of India) have played a crucial role in India's progress. Thus, the iron and steel industry is vital for the nation's development.

Question 7:
Describe the role of the iron and steel industry in India's industrial development. How does it support other industries?
Answer:

The iron and steel industry is often called the backbone of India's industrial development. Here's how it contributes:

  • Infrastructure Growth: Iron and steel are essential for building roads, bridges, railways, and buildings, helping in the country's infrastructure development.
  • Support to Other Industries: It provides raw materials to industries like automobiles, construction, machinery, and shipbuilding, making them dependent on steel.
  • Employment Opportunities: This industry creates jobs for thousands of people, from miners to factory workers and engineers.
  • Economic Growth: India is one of the top producers of steel globally, contributing significantly to exports and GDP.

Major steel plants like Tata Steel in Jamshedpur and SAIL (Steel Authority of India) play a crucial role in meeting the country's steel demands. Without this industry, India's progress would slow down.

Case-based Questions (4 Marks) – with Solutions (CBSE Pattern)

These 4-mark case-based questions assess analytical skills through real-life scenarios. Answers must be based on the case study provided.

Question 1:
Riya visited a textile industry in Surat and noticed workers dyeing fabrics. She learned that this industry falls under the small-scale industry category. Explain why textile industries like this are important for India's economy and how they support local communities.
Answer:

The textile industry is crucial for India's economy because it provides employment to millions of people, especially in small towns and rural areas.

Small-scale industries like the one Riya visited help in:

  • Generating income for workers and their families.
  • Promoting local craftsmanship and traditional skills.
  • Supplying raw materials to larger industries, boosting overall production.

Additionally, these industries contribute to exports, earning foreign exchange for the country. They also support local communities by creating jobs and preserving cultural heritage through handmade textiles.

Question 2:
Amit's father works in a steel plant in Jamshedpur. Amit wonders why such industries are called heavy industries. Explain the characteristics of heavy industries and their role in India's development.
Answer:

Heavy industries, like the steel plant in Jamshedpur, involve large-scale production using heavy machinery and raw materials. Their key features are:

  • They require huge investments and infrastructure.
  • They produce goods like steel, machinery, and chemicals, which are essential for other industries.
  • They provide employment to skilled and unskilled workers.

These industries play a vital role in India's development by:

  • Supporting construction, transportation, and manufacturing sectors.
  • Contributing to the country's GDP and industrial growth.
  • Helping in building infrastructure like bridges, railways, and buildings.
Question 3:
Priya read about the IT industry in Bengaluru and how it has grown rapidly. She wants to know why IT industries are called sunrise industries and how they benefit India. Explain with examples.
Answer:

The IT industry is called a sunrise industry because it is new, fast-growing, and has a bright future.

It benefits India in the following ways:

  • Creates high-paying jobs for skilled professionals, boosting the economy.
  • Attracts foreign companies to invest in India, increasing foreign direct investment (FDI).
  • Improves technology and services like banking, healthcare, and education.

For example, cities like Bengaluru and Hyderabad have become global IT hubs, earning the nickname "Silicon Valley of India". This industry also helps in digitalizing government services, making them faster and more efficient.

Question 4:
Riya visited a textile industry in Surat and noticed workers dyeing fabrics. She learned that the industry uses large amounts of water.

How does this impact the environment, and what steps can industries take to reduce this problem?

Answer:

The textile industry's excessive water usage can harm the environment in multiple ways:

  • Water pollution: Chemical dyes contaminate rivers, harming aquatic life.
  • Groundwater depletion: Overuse reduces water availability for communities.

Industries can reduce this problem by:

  • Using eco-friendly dyes that require less water.
  • Installing water recycling plants to reuse wastewater.
  • Adopting rainwater harvesting to conserve natural resources.

These steps help protect both the environment and local communities.

Question 5:
A class discussion highlighted that agro-based industries like sugar mills are mostly located near farms.

Explain why this is beneficial and name two other agro-based industries in India.

Answer:

Agro-based industries are located near farms because:

  • Reduced transportation costs: Raw materials like sugarcane are bulky and perishable.
  • Freshness preservation: Proximity ensures crops are processed quickly.

Two other agro-based industries in India are:

  • Cotton textile industry (uses cotton from farms).
  • Vegetable oil industry (processes oilseeds like mustard).

These industries support farmers and boost rural employment.

Question 6:
The automobile industry in Chennai is called the 'Detroit of India'.

What factors make Chennai suitable for this industry, and how does it benefit the local economy?

Answer:

Chennai is ideal for the automobile industry due to:

  • Port connectivity: Easy export/import of vehicles and parts.
  • Skilled labor: Availability of trained engineers and workers.
  • Infrastructure: Well-developed roads and industrial zones.

Benefits to the local economy include:

  • Job creation for thousands of people.
  • Growth of small businesses supplying parts and services.

This boosts overall development in the region.

Question 7:
Riya visited a textile industry in Surat and noticed workers dyeing fabrics. She learned that this industry falls under the small-scale industry category. Explain why textile industries are mostly small-scale and how they contribute to India's economy.
Answer:

The textile industry is mostly small-scale because it requires less capital investment and can be set up with basic machinery. Many processes like dyeing, weaving, and stitching can be done by skilled workers in small units. These industries are often family-run or employ local artisans.

Textile industries contribute to India's economy in multiple ways:

  • They provide employment to millions of people, especially in rural areas.
  • They support related industries like cotton farming and dye manufacturing.
  • India earns foreign exchange by exporting textiles to other countries.
  • They preserve traditional crafts like handloom and embroidery.

Small-scale textile industries also help in balanced regional development by spreading economic opportunities beyond big cities.

Question 8:
A class discussion highlighted that mining industries are important but can harm the environment. Describe two environmental problems caused by mining and suggest one way to reduce each problem.
Answer:

Mining industries cause environmental problems such as:

  • Deforestation: Large areas of forests are cleared for mining, leading to loss of wildlife and soil erosion.
    Solution: Companies should replant trees in mined areas to restore the ecosystem.
  • Water pollution: Chemicals from mining can mix with nearby rivers, making water unsafe for drinking.
    Solution: Treating wastewater before releasing it into water bodies can prevent pollution.

By following these measures, we can balance industrial growth with environmental protection.

Question 9:
Kabir's father works in a steel plant in Jamshedpur. Kabir wants to know why steel plants are usually located near coal mines or iron ore deposits. Explain the reason with two advantages of such locations.
Answer:

Steel plants are located near coal mines or iron ore deposits because:

  • Steel production requires large amounts of coal (for fuel) and iron ore (as raw material). Transporting these heavy materials over long distances is expensive.
  • Locating plants near mines reduces transportation costs and ensures a steady supply of raw materials.

Two advantages of such locations are:

  • Cost-effective: Saves money on transporting bulky raw materials.
  • Efficient production: Ensures uninterrupted supply, preventing delays in steel manufacturing.

This is why major steel plants like those in Jamshedpur are set up near mineral-rich areas.

Question 10:
Riya visited a textile industry in Surat and noticed workers spinning yarn from cotton. She also saw large machines weaving fabric.

Explain the two types of industries involved in this process and how they contribute to the textile sector.

Answer:

The two types of industries involved are:

  • Agro-based industry: This includes the production of raw materials like cotton, which is grown by farmers. Cotton is the primary input for the textile industry.
  • Manufacturing industry: This involves spinning yarn from cotton and weaving fabric using machines. These processes transform raw cotton into finished products like clothes.

Both industries work together to make the textile sector successful. The agro-based industry provides raw materials, while the manufacturing industry processes them into usable products, creating jobs and boosting the economy.

Question 11:
Amit's father works in a steel plant in Jamshedpur. Amit learned that steel is used in construction, vehicles, and machinery.

Describe why the steel industry is called a heavy industry and its importance in India's growth.

Answer:

The steel industry is called a heavy industry because:

  • It involves large-scale production using heavy machinery and raw materials like iron ore and coal.
  • It requires significant capital investment and infrastructure.

Its importance in India's growth includes:

  • Steel is essential for building infrastructure like bridges, railways, and buildings.
  • It supports other industries like automobile and construction, creating employment opportunities.
  • India is one of the top steel producers globally, contributing to economic development.
Question 12:
Priya read about the IT industry in Bengaluru, known as the Silicon Valley of India. She wondered how this industry differs from traditional industries like textiles or steel.

Compare the IT industry with traditional industries based on their nature, workforce, and impact on the environment.

Answer:

Comparison between the IT industry and traditional industries:

  • Nature: The IT industry deals with software, services, and digital technology, while traditional industries like textiles or steel involve physical manufacturing.
  • Workforce: IT requires skilled professionals like engineers and developers, whereas traditional industries employ both skilled and unskilled laborers.
  • Environmental impact: IT has a lower environmental footprint as it doesn’t produce pollution like factories. Traditional industries often cause air and water pollution due to manufacturing processes.

The IT industry drives innovation and globalization, while traditional industries remain vital for basic goods and employment.

Question 13:
Riya visited a textile industry in Surat and noticed workers spinning yarn from cotton. She learned that this is the first step in making cloth. Explain the process of converting cotton into cloth, mentioning the types of industries involved.
Answer:

The process of converting cotton into cloth involves multiple steps and different types of industries:

  • Primary Industry: Cotton is grown in farms (agriculture).
  • Secondary Industry: The cotton is sent to a textile industry where it is spun into yarn (spinning) and then woven into cloth (weaving).
  • Tertiary Industry: The finished cloth is transported to markets for sale.

This shows how raw materials pass through different industries before becoming a usable product.

Question 14:
Amit's father works in a steel plant in Jamshedpur. Amit wants to know why steel plants are usually located near coal mines or iron ore deposits. Explain the reasons with examples.
Answer:

Steel plants are often located near coal mines or iron ore deposits due to the following reasons:

  • Raw Material Availability: Steel production requires large amounts of coal (for fuel) and iron ore (main raw material). Being close reduces transportation costs.
    Example: Jamshedpur (Tata Steel) is near coal mines in Jharkhand.
  • Cost Efficiency: Transporting heavy materials like coal and iron ore is expensive, so proximity saves money.
  • Infrastructure: Such areas often have developed roads and railways for easy movement of goods.

This is why industries are often set up near sources of raw materials.

Question 15:
Kavita read that the IT industry is a major contributor to India's economy. She wants to understand why cities like Bengaluru and Hyderabad are known as IT hubs. Explain the factors that make these cities suitable for IT industries.
Answer:

Cities like Bengaluru and Hyderabad are ideal for IT industries because of:

  • Skilled Workforce: These cities have many engineering colleges and trained professionals.
  • Infrastructure: Good electricity, internet connectivity, and office spaces support IT companies.
  • Government Support: Policies like tax benefits attract companies.
    Example: Bengaluru's Electronic City is a major IT hub.
  • Pleasant Climate: Moderate weather reduces energy costs for cooling.

These factors help IT industries grow and contribute to India's economy.

Question 16:
Riya visited a textile industry in Surat and noticed workers dyeing fabrics. She learned that the industry uses both natural and synthetic dyes. Explain the difference between these dyes and why industries might prefer synthetic dyes.
Answer:

Natural dyes are obtained from plants, minerals, or animals, such as indigo (from plants) or lac (from insects). Synthetic dyes are chemically produced in factories.

Industries might prefer synthetic dyes because:

  • They offer a wider range of bright and consistent colors.
  • They are cheaper and easier to produce in large quantities.
  • They bond better with fabrics, making colors last longer after washing.
However, natural dyes are eco-friendly and safer for workers' health.

Question 17:
Amit's father works in a steel plant in Jamshedpur. Amit wants to know how the location of this industry is beneficial. List three geographical factors that make Jamshedpur suitable for steel production.
Answer:

Jamshedpur is ideal for steel production due to:

  • Availability of raw materials: Nearby iron ore mines in Singhbhum provide the key ingredient.
  • Water supply: The Subarnarekha River ensures water for cooling machinery.
  • Transport connectivity: Roads and railways help transport heavy steel products across India.

Additionally, skilled labor and established infrastructure support the industry.

Question 18:
During a field trip, students observed that a pottery industry in Khurja uses clay from local riverbanks. Describe the steps involved in transforming clay into finished pottery and why such industries are often small-scale.
Answer:

The process includes:
1. Clay extraction: Digging clay from riverbanks and removing impurities.
2. Shaping: Molding clay on a wheel or by hand into pots.
3. Drying: Leaving the shaped clay in the sun to harden.
4. Firing: Baking pottery in kilns to make it strong.

Pottery industries are usually small-scale because:

  • They rely on local materials and manual labor.
  • They cater to nearby markets, reducing transport needs.
  • Minimal machinery is required, keeping costs low.

Question 19:
Amit's father works in a steel plant in Jamshedpur. Amit wants to know why steel is called a heavy industry and how it helps in building infrastructure. Explain with examples.
Answer:

Steel plants are called heavy industries because they involve large-scale production, heavy machinery, and require huge amounts of raw materials like iron ore and coal.

Steel is essential for infrastructure development because:

  • It is used to construct bridges, buildings, and railways, making them strong and durable.
  • It is a key material in manufacturing vehicles, machines, and tools.

For example, the Howrah Bridge in Kolkata and metro rail projects across India are built using steel. Without steel, modern infrastructure would not be possible.

Question 20:
Priya read about the IT industry in Bengaluru and wondered how it differs from traditional industries like agriculture or textiles. Explain the unique features of the IT industry and its impact on India's growth.
Answer:

The IT industry is different from traditional industries because it focuses on technology, software, and services rather than physical goods.

Its unique features include:

  • It requires highly skilled workers like engineers and programmers.
  • It operates globally, providing services to companies worldwide.
  • It does not need large factories; instead, it relies on computers and the internet.

The IT industry has boosted India's growth by creating high-paying jobs, attracting foreign investment, and making India a leader in software development. Cities like Bengaluru are known as IT hubs due to their contribution to this sector.

Question 21:
Riya visited a textile industry in Surat and noticed workers dyeing fabrics. She learned that the industry uses both natural and synthetic dyes. Explain the difference between these two types of dyes and how they impact the environment.
Answer:

Natural dyes are obtained from plants, minerals, or animals, while synthetic dyes are chemically manufactured. Here’s how they differ and affect the environment:

  • Natural dyes: Eco-friendly, biodegradable, and cause minimal pollution. However, they require large amounts of water and land for cultivation.
  • Synthetic dyes: Produce vibrant colors but release harmful chemicals into water bodies, harming aquatic life and soil fertility.

Industries should adopt sustainable practices like treating wastewater before disposal to reduce environmental damage.

Question 22:
A farmer in Punjab grows wheat but wants to supply it to a food processing industry in Maharashtra. Describe the steps involved in transporting the wheat and the role of transportation in connecting agriculture to industries.
Answer:

The process involves:


Step 1: Harvesting and packing wheat in Punjab.
Step 2: Transporting via trucks or trains to Maharashtra.
Step 3: Storing in warehouses before processing.
Step 4: Delivering to the food industry for making products like flour or biscuits.

Transportation connects farms to industries by ensuring raw materials reach factories on time. Good roads, railways, and storage facilities help reduce waste and support India’s agro-based industries.

Question 23:
In a steel plant, workers use iron ore, coal, and limestone to produce steel. Explain why these raw materials are important and how the location of steel plants depends on their availability.
Answer:

Iron ore, coal, and limestone are essential because:

  • Iron ore is the main raw material for steel.
  • Coal provides heat for smelting.
  • Limestone removes impurities during production.

Steel plants are often located near:


1. Iron ore mines (e.g., Jamshedpur in Jharkhand).
2. Coal-rich areas (e.g., Durgapur in West Bengal).
3. Ports for importing materials (e.g., Vishakhapatnam).

This reduces transportation costs and makes production efficient.

Question 24:
A class discussion was held on agro-based industries. The teacher explained how sugarcane is processed into sugar in factories. Describe the steps involved in this process and why agro-based industries are beneficial for farmers.
Answer:

Agro-based industries like sugar mills play a key role in converting farm produce into finished goods. The steps to make sugar from sugarcane are:


Step 1: Farmers harvest sugarcane and transport it to sugar mills.
Step 2: The cane is crushed to extract juice.
Step 3: The juice is purified and boiled to form crystals.
Step 4: The crystals are separated and dried to produce sugar.

These industries benefit farmers by:

  • Providing a steady market for their crops, ensuring income.
  • Reducing wastage as perishable farm produce is processed into long-lasting products.
  • Creating additional jobs in rural areas, improving living standards.
Question 25:
During a field trip, students observed workers in a cottage industry making handmade pottery. Compare cottage industries with large-scale industries by listing three differences. Also, explain why cottage industries are still relevant in modern India.
Answer:

Differences between cottage industries and large-scale industries:

  • Scale of Production: Cottage industries operate on a small scale, often at home, while large-scale industries use factories and machinery.
  • Employment: Cottage industries employ local artisans, whereas large industries hire a large workforce with specialized skills.
  • Investment: Cottage industries need minimal capital, while large industries require huge investments.

Relevance of cottage industries:

They preserve traditional crafts like pottery, weaving, and handicrafts, which are part of India's cultural identity.

They provide livelihoods to rural artisans who may not have access to industrial jobs.

Additionally, handmade products have high demand in domestic and international markets, supporting local economies.

Question 26:
Riya visited a textile industry in Surat and noticed workers spinning yarn from cotton. She also saw large machines weaving fabric.

Explain the steps involved in converting cotton into fabric in a textile industry, and mention why Surat is a major hub for this industry.

Answer:

The process of converting cotton into fabric involves several steps:

  • Ginning: Cotton is cleaned to remove seeds and impurities.
  • Spinning: The cleaned cotton is spun into yarn using machines.
  • Weaving/Knitting: Yarn is woven or knitted into fabric using large machines.
  • Dyeing/Printing: Fabric is dyed or printed with designs.
  • Finishing: The fabric is treated to improve quality and texture.

Surat is a major hub for the textile industry because:

  • It has a long history of textile production.
  • Availability of skilled labor and advanced machinery.
  • Good transportation links for raw materials and finished goods.
  • High demand for fabrics in domestic and international markets.
Question 27:
A group of students visited a steel plant in Jamshedpur. They observed iron ore, coal, and limestone being used to produce steel.

Describe the role of these raw materials in steel production and explain why steel plants are often located near coal mines or ports.

Answer:

The raw materials used in steel production and their roles are:

  • Iron ore: Provides the base metal iron, which is the main component of steel.
  • Coal: Used as fuel in blast furnaces and converted into coke for melting iron ore.
  • Limestone: Acts as a flux to remove impurities during the smelting process.

Steel plants are often located near coal mines or ports because:

  • Coal is bulky and expensive to transport, so proximity reduces costs.
  • Ports facilitate the import of raw materials like iron ore if not locally available.
  • Easy access to transportation networks for distributing finished steel products.
Question 28:
In a village, farmers grow sugarcane and supply it to a nearby sugar mill. The mill processes sugarcane into sugar, molasses, and bagasse.

Explain how these by-products are useful and discuss the importance of the sugar industry in India.

Answer:

The by-products of sugarcane processing and their uses are:

  • Molasses: Used to make alcohol, ethanol, and animal feed.
  • Bagasse: Used as fuel in sugar mills or to make paper and cardboard.

The importance of the sugar industry in India includes:

  • It is the second-largest producer of sugar in the world.
  • Provides employment to millions of farmers and workers.
  • Supports related industries like distilleries and paper mills.
  • Contributes to the economy through exports and domestic consumption.
Question 29:
A farmer in Punjab grows wheat but also works part-time in a nearby sugar mill. How does this agro-based industry benefit farmers and the region? Explain with examples.
Answer:

Agro-based industries like sugar mills help farmers and regions in multiple ways:

1. Extra Income: Farmers earn additional money by supplying sugarcane to mills or working there.
2. Reduces Waste: Leftover sugarcane (bagasse) is used to make paper or generate electricity.
3. Employment: Factories create jobs for locals, reducing migration to cities.
4. Development: Roads, schools, and hospitals improve as industries grow in the area.

Question 30:
Mumbai is known as the financial capital of India, but it also has many film and software industries. Compare how these industries contribute differently to the city's growth.
Answer:

Both film (Bollywood) and software industries boost Mumbai's growth in unique ways:

Film Industry:

  • Creates jobs for actors, technicians, and vendors.
  • Attracts tourists to film studios and events.
  • Promotes Indian culture globally through movies.
Software Industry:
  • Provides high-tech jobs for engineers and developers.
  • Helps other businesses with digital services.
  • Makes Mumbai a hub for IT companies.
Together, they make Mumbai a diverse and economically strong city.

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