Natural resources, economic activities and | Class 12 Geography Notes
By ConceptScroll Team · Published on 17 July 2026 · 4 min read
Natural resources, economic activities and – this guide gives you a concise, exam-ready overview of Natural resources, economic activities and from Class 12 Geography, written by ConceptScroll editors and reviewed against the latest NCERT textbook.
Communications
Communication methods have evolved from telegraph and telephone to modern digital networks. The telegraph was crucial in colonization and urbanization, enabling centralized firm operations and branch offices. The telephone remains the most common communication mode, with cell phones enhancing rural connectivity, especially in developing countries. The introduction of optic fiber cables (OFC) revolutionized data transmission by allowing large quantities of data to be sent rapidly and securely with minimal errors. Digitization in the 1990s led to the integration of telecommunications and computers, forming the Internet. Satellite communication emerged in the 1970s, enabling global connectivity even in remote areas. Satellites facilitate cell phone calls, SMS, and cable television. India has developed several satellites like Aryabhatt, Bhaskar, Rohini, APPLE, and INSAT series, enhancing long-distance communication and weather forecasting. The Internet, or cyberspace, is the largest electronic network connecting over a billion people worldwide. It enables e-mail, e-commerce, e-learning, and e-governance, making the concept of a global village a reality by transcending place and time.
📊 Diagram: Images include satellite communication systems and major airports illustrating global connectivity.
🔗 Connection: Concludes the chapter by linking transport and communication as pillars of modern economic activities and global integration.
Frequently asked questions
1. Choose the right answer from the four alternatives given below. (i) The Trans-Continental Stuart Highway runs between (a) Darwin and Melbourne (b) Edmonton and Anchorage (c) Vancouver and St. John's City (d) Chengdu and Lhasa (ii) Which country has the highest density of railway network? (a) Brazil (b) U.S.A (c) Canada (d) Russia (iii) The Big Trunk Route runs through (a) The Mediterranean – Indian ocean (b) The North Atlantic Ocean (c) The South Atlantic Ocean (d) The North Pacific Ocean (iv) The Big Inch pipeline transports (a) Milk (b) Liquid petroleum gas (LGP) (c) Water (d) Petroleum (v) Which one pair of the following places is linked by Channel Tunnel? (a) London – Berlin (b) Paris – London (c) Berlin – Paris (d) Barcelona – Berlin
Answers: (i) (a) Darwin and Melbourne Explanation: The Trans-Continental Stuart Highway is a major highway in Australia running between Darwin in the north and Melbourne in the south.
(ii) (b) U.S.A Explanation: The United States of America has the highest density of railway network due to its vast industrial and economic development.
(iii) (b) The North Atlantic Ocean Explanation: The Big Trunk Route is a major shipping route that runs through the North Atlantic Ocean connecting North America
2. Answer the following questions in about 30 words. (i) What are the problems of road transport in mountainous, desert and flood prone regions? (ii) What is a trans-continental railway? (iii) What are the advantages of water transport?
(i) Problems of road transport in mountainous, desert and flood prone regions include difficult terrain, frequent landslides, sandstorms, flooding, poor road conditions, and maintenance challenges which hamper smooth and safe transportation.
(ii) A trans-continental railway is a railway line that crosses a continent, connecting different regions or countries across vast distances, facilitating movement of goods and passengers over long distances.
(iii) Advantages of water transport include low
3. Answer the following questions in not more than 150 words. (i) Elucidate the statement– “In a well managed transport system, various modes complement each other”. (ii) Which are the major regions of the world having a dense network of airways. (iii) What are the modes by which cyber space will expand the contemporary economic and social space of humans.
(i) In a well-managed transport system, various modes such as road, rail, air, and water transport complement each other by efficiently handling different types of goods and passenger traffic. For example, goods may be transported by ship over long distances, then transferred to rail or road for final delivery. This integration reduces costs, saves time, and improves accessibility.
(ii) Major regions with dense networks of airways include North America (especially the USA and Canada), Europe (W
1. Choose the right answer from the four alternatives given below. (i) The Trans-Continental Stuart Highway runs between (a) Darwin and Melbourne (b) Edmonton and Anchorage (c) Vancouver and St. John's City (d) Chengdu and Lhasa (ii) Which country has the highest density of railway network? (a) Brazil (b) U.S.A (c) Canada (d) Russia (iii) The Big Trunk Route runs through (a) The Mediterranean – Indian ocean (b) The North Atlantic Ocean (c) The South Atlantic Ocean (d) The North Pacific Ocean (iv) The Big Inch pipeline transports (a) Milk (b) Liquid petroleum gas (LGP) (c) Water (d) Petroleum (v) Which one pair of the following places is linked by Channel Tunnel? (a) London – Berlin (b) Paris – London (c) Berlin – Paris (d) Barcelona – Berlin
Answers: (i) (a) Darwin and Melbourne Explanation: The Trans-Continental Stuart Highway is a major highway in Australia connecting Darwin in the north to Melbourne in the south.
(ii) (b) U.S.A Explanation: The United States of America has the highest density of railway network among the given options.
(iii) (a) The Mediterranean – Indian ocean Explanation: The Big Trunk Route is a major shipping route connecting the Mediterranean Sea to the Indian Ocean.
(iv) (d) Petroleum Explanation: The Bi
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- computer hardware and the application software are referred as the Database | Class 12 Geography Notes
Clear NCERT-aligned notes on computer hardware and the application software are referred as the Database for Class 12 Geography.
- computer hardware and the application software are referred as the Database | Class 12 Geography Notes
Clear NCERT-aligned notes on computer hardware and the application software are referred as the Database for Class 12 Geography.
- computer hardware and the application software are referred as the Database | Class 12 Geography Notes
Clear NCERT-aligned notes on computer hardware and the application software are referred as the Database for Class 12 Geography.