Class 10 Geography Chapter 7, Lifelines of National Economy, concludes Contemporary India II (2026-27) by surveying India’s transport networks—Roadways, Railways, Pipelines, Waterways and Airways—alongside personal/mass communication, international trade, balance of trade, and tourism as a trade.
What Class 10 Social Science (Geography) Chapter 7 Covers
Transport: Roadways, Railways and Pipelines explains why roadways have an edge over railways (lower construction cost, ability to negotiate steeper gradients and dissected topography, door-to-door service, feeder to other modes), classifies roads into Golden Quadrilateral Super Highways (NHAI linking Delhi–Kolkata–Chennai–Mumbai plus North-South and East-West corridors), National Highways (CPWD), State Highways (PWD), District Roads, Other Rural Roads (Pradhan Mantri Grameen Sadak Yojana) and Border Roads (BRO, established 1960), examines Indian Railways (broad, metre and narrow gauges, physiographic challenges) and describes the three important networks of pipeline transport.
Waterways and Airways highlights waterways as the cheapest, fuel-efficient and environment-friendly mode for heavy and bulky goods, lists the National Waterways (NW-1 Ganga from Haldia to Prayagraj 1620 km, NW-2 Brahmaputra from Sadiya to Dhubri 891 km, NW-3 West Coast Canal in Kerala 205 km) and India’s 12 major sea ports (Kandla/Deendayal tidal port, Mumbai, Jawaharlal Nehru port, Marmagao, New Mangalore, Kochchi, Tuticorin, Chennai, Visakhapatnam deepest landlocked port, Paradip, Kolkata riverine tidal port, and Haldia), and explains why air transport is preferred in the North-Eastern states.
Communication, International Trade & Tourism distinguishes personal communication and mass communication (First Class vs Second Class mail, six mail channels, Digital India), defines international trade as the ‘economic barometer for a country’, compares favourable vs unfavourable balance of trade, and highlights India’s tourism industry.
Exercises in Chapter 7
- Chapter Exercises cover three merits of roadways, where and why rail transport is the most convenient means of transportation, the significance of border roads, what is meant by trade and the difference between international and local trade, and why the means of transportation and communication are called the lifelines of a nation and its economy.
Read Class 10 Social Science (Geography) Chapter 7 Online
More Chapters
- Previous: Chapter 6: Manufacturing Industries
- Hindi medium: Class 10 Geography Chapter 7 in Hindi (Samkalin Bharat II)
- All Social Science (Geography) chapters and the other Class 10 books: Class 10 NCERT books 2026-27
- All Class 1 to 12 NCERT Textbooks: NCERT Books PDF (Class 1–12)
- Every book chapter by chapter: NCERT chapter wise PDF
FAQ
What are three major merits of roadways over railways in India?
(1) Construction cost of roads is much lower than that of railway lines; (2) roads can traverse comparatively more dissected and undulating topography and negotiate higher gradients of slopes such as the Himalayas; and (3) road transport provides door-to-door service (lowering loading and unloading costs) and acts as a feeder to railway stations, airports and sea ports.
What is the significance of the Border Roads Organisation (BRO)?
Established in 1960 by the Government of India, the Border Roads Organisation constructs and maintains roads in the bordering areas of the country (especially in the northern and north-eastern border areas), improving accessibility in difficult terrain and aiding both defence preparedness and regional economic development.