Class 10 Geography • Chapter 7
Lifelines of National Economy Class 10 Important Questions with Answers
High-value questions and answers on transport, communication, international trade, tourism and prescribed map work.
How to revise: Learn the concepts behind the answers and practise the map section separately. Use the 2-mark, 3-mark and 5-mark sections according to the marks expected in your school or examination.
Section 1
2-Mark Important Questions
1Why are transport, communication and trade called the lifelines of an economy?
Answer: Transport moves people and goods, communication transfers information, and trade connects producers with markets. Together they connect different regions and support economic activity.
2State any two advantages of road transport.
Answer: Roads provide flexible, door-to-door service and connect villages, markets and production centres with railways, ports and airports.
3What is road density?
Answer: Road density is the length of roads per 100 square kilometres of land area. It indicates the extent of road connectivity in a region.
4What is the Golden Quadrilateral?
Answer: It is a major highway network connecting Delhi, Mumbai, Chennai and Kolkata, linking four major metropolitan and economic centres.
5Why are railways important to India?
Answer: Railways transport passengers and large quantities of freight over long distances and connect agricultural, industrial and commercial regions.
6Why is the railway network dense in the northern plains?
Answer: The northern plains have relatively level terrain, dense population and considerable agricultural, industrial and commercial activity, which favour railway development.
7State two advantages of pipeline transport.
Answer: Pipelines provide continuous movement of materials and reduce repeated loading, unloading and trans-shipment.
8Why are waterways useful for bulky goods?
Answer: Waterways can carry large and heavy loads economically and are suitable for bulk cargo where navigable routes are available.
9What is the main advantage of air transport?
Answer: Airways are the fastest mode of transport and are particularly useful for urgent movement and difficult-to-reach regions.
10What is international trade?
Answer: International trade is the exchange of goods and services between countries through exports and imports.
11What is balance of trade?
Answer: Balance of trade is the difference between the value of a country's merchandise exports and merchandise imports.
12Why is tourism considered a trade?
Answer: Tourism generates income and employment and supports transport, accommodation, food services, handicrafts and other economic activities.
Section 2
3-Mark Important Questions
1Explain three reasons why roads are important for short and medium-distance transport.
Answer: Roads offer door-to-door service, connect places not directly served by railways or waterways, and provide feeder links to railway stations, ports and airports.
2Explain three factors affecting the distribution of railway networks in India.
Answer: Relief influences construction difficulty; population density creates passenger demand; and agricultural, industrial and commercial activity creates freight demand.
3Why is railway construction difficult in mountainous regions?
Answer: Steep slopes, rugged relief, tunnels, landslides and difficult engineering conditions increase construction and maintenance challenges.
4Explain the economic importance of pipelines.
Answer: Pipelines provide continuous transport of crude oil, petroleum products and natural gas, reduce handling and trans-shipment, and connect production areas with refineries and markets.
5Explain three advantages of waterways.
Answer: They are suitable for bulky and heavy goods, can be economical for large loads, and can connect inland regions with ports through navigable rivers and canals.
6Explain three advantages of airways.
Answer: Airways are fast, can connect distant places quickly, and are useful for remote or difficult terrain and urgent passenger or cargo movement.
7How does communication support economic development?
Answer: Communication enables rapid exchange of information about prices, orders, production and markets. It helps businesses coordinate activities and supports trade.
8How do transport and communication complement international trade?
Answer: Transport physically moves goods and people, while communication coordinates orders, documents, schedules and market information. Both are needed for efficient trade.
9Explain the importance of major sea ports.
Answer: Sea ports act as gateways for imports and exports, connect maritime routes with inland road and rail networks, and support large-scale movement of goods.
10How does tourism contribute to the national economy?
Answer: Tourism creates income and employment and supports hotels, restaurants, transport, handicrafts and other services. It can also strengthen local economies.
11Differentiate between exports and imports.
Answer: Exports are goods or services sold to other countries, while imports are goods or services purchased from other countries.
12Why are Border Roads important?
Answer: Border Roads improve connectivity in frontier areas, support movement of people and supplies, and have strategic importance where difficult terrain can restrict access.
Section 3
5-Mark Important Questions
1Explain the major advantages of roadways over other means of transport.
Answer: Roadways provide door-to-door service; connect scattered settlements; act as feeder routes to railways, ports and airports; can negotiate varied terrain and gradients; and are convenient for short and medium-distance movement.
2Explain the importance of railways in India's economic development and the factors influencing their distribution.
Answer: Railways carry passengers and large quantities of freight and connect agricultural, industrial and commercial regions. Their distribution is influenced by relief, population density, economic activity and historical development. Level plains favour dense networks, while mountains and other difficult terrain create construction challenges.
3Describe pipeline transport and explain why it is suitable for petroleum and natural gas.
Answer: Pipelines carry crude oil, petroleum products and natural gas through fixed networks. They allow continuous flow, reduce repeated handling and trans-shipment, and connect producing areas with refineries, processing centres and markets.
4Explain the importance of waterways and sea ports in India's transport system.
Answer: Waterways are suitable for bulky goods and can be economical for large loads. Inland waterways use navigable rivers and canals, while sea routes connect India with international markets. Sea ports link maritime routes with inland road and rail networks.
5Explain the role of communication, international trade and tourism in the economy.
Answer: Communication enables rapid information exchange; international trade connects India with global markets through exports and imports; and tourism generates income and employment while supporting transport, accommodation, food services and handicrafts.
6“Transport, communication and trade are complementary to one another.” Explain.
Answer: Transport moves goods and people, communication coordinates the information needed for economic activity, and trade connects areas of supply with areas of demand. Efficient markets depend on all three working together.
Section 4
Case-Based and Competency Questions
1A company needs to move crude oil continuously from an oil-producing region to a refinery. Which transport mode is most suitable? Give two reasons.
Answer: Pipeline transport is most suitable because it provides continuous flow and reduces repeated loading, unloading and trans-shipment of petroleum.
2A mountainous district has difficult road and rail access but needs rapid movement of passengers and essential supplies. Which mode can be especially useful? Explain.
Answer: Air transport can be especially useful because it is fast and can cross difficult mountainous terrain without requiring a continuous surface route.
3A trader needs to move a very large quantity of bulky goods through a navigable route at comparatively low cost. Which mode should be considered? Why?
Answer: Water transport should be considered because it is suitable for heavy and bulky cargo and can be economical where a navigable route exists.
4An overseas buyer places an urgent order with an Indian manufacturer. Explain why both communication and transport are necessary.
Answer: Communication is needed to confirm the order, coordinate production, documents and schedules, while transport is needed to physically move the finished goods to the overseas buyer.
5A rural producer needs to take goods from a village to a railway station and then to a distant market. Explain how two transport modes can work together.
Answer: Road transport can provide the village-to-railway feeder connection, while rail transport can carry the goods over the longer distance. This illustrates an integrated transport system.
Section 5
Map-Based Important Questions
Map focus: Give special attention to locating and labelling the prescribed major sea ports and international airports, and practise identifying them from an outline map.
1On an outline map of India, locate and label any five prescribed major sea ports from the chapter.
Answer: Practise: Kandla, Mumbai, Marmagao, New Mangalore, Kochi, Tuticorin, Chennai, Visakhapatnam, Paradip and Haldia.
2On an outline map of India, locate and label the prescribed international airport at Amritsar, Delhi and Mumbai.
Answer: Practise: Amritsar — Raja Sansi / Sri Guru Ram Das Ji; Delhi — Indira Gandhi; Mumbai — Chhatrapati Shivaji.
3On an outline map of India, locate and label the prescribed international airport at Chennai, Kolkata and Hyderabad.
Answer: Practise: Chennai — Meenambakkam; Kolkata — Netaji Subhash Chandra Bose; Hyderabad — Rajiv Gandhi.
4Identify the prescribed major sea port located in Odisha, Gujarat and Kerala.
Answer: Odisha — Paradip; Gujarat — Kandla; Kerala — Kochi.
5Identify the prescribed international airports associated with West Bengal and Telangana.
Answer: West Bengal — Kolkata (Netaji Subhash Chandra Bose); Telangana — Hyderabad (Rajiv Gandhi).
Final Revision
Exam Strategy for Lifelines of National Economy
Master the transport logicKnow why road, rail, pipeline, water and air transport suit different goods, distances and terrain.
Link the systemsRemember how transport, communication and trade depend on one another.
Practise the mapUse a blank political map and locate every prescribed port and airport without looking at notes.