Chapter 7 of Class 10 Social Science, Lifelines of National Economy, discusses how transport and communication systems connect people and things around the country and the world. It describes a variety of different means of transport including roadways, railways, waterways and airways to build an economy as well as the role communication plays in the economy.
The NCERT Solutions give students clear, accurate answers to the questions in the textbook. The use of straight-forward wording and answers assists students in preparing for both map-based and theory questions and will help guide them in preparation for their board examinations and other competitive exams.
In this chapter you will know how transport and communication facilitate trade and link the entire country. Download the free PDF of the NCERT Solutions for Class 10 Social Science Chapter 7 Lifelines of National Economy from below:
The chapter provides a basic understanding of movement and communication systems and how they impact the economy. Some of the main concepts covered are:
1. Which two of the following extreme locations are connected by the eastwest corridor?
(1) Mumbai and Nagpur
(2) Mumbai and Kolkata
(3) Silcher and Porbandar
(4) Nagpur and Siliguri
Ans. (3) Silcher and Porbandar
2. Which mode of transportation reduces trans-shipment losses and delays?
(1) Railways
(2) Pipelines
(3) Roadways
(4) Waterways
Ans. (2) Pipelines
3. Which one of the following states is not connected with the H.V.J. pipeline?
(1) Madhya Pradesh
(2) Gujarat
(3) Maharashtra
(4) Uttar Pradesh
Ans. (3) Maharashtra
4. Which one of the following ports is the deepest land-locked and well protected port along the east coast?
(1) Chennai
(2) Tuticorin
(3) Paradwip
(4) Vishakhapatnam
Ans. (4) Vishakhapatnam
5. Which one of the following is the most important mode of transportation in India?
(1) Pipeline
(2) Roadways
(3) Railways
(4) Airways
Ans. (3) Railways
6. Which of the following terms is used to describe trade between two or more countries?
(1) Internal trade
(2) External trade
(3) International trade
(4) Local trade
Ans. (3) International trade
7. State any three merits of roadways.
Ans. Three merits of roadways are as follows:
(a) Construction cost of roads is much lower than that of railway lines.
(b) Roads can traverse comparatively more dissected and undulating topography.
(c) Roads can negotiate higher gradients of slopes and as such can traverse mountains such as the Himalayas.
8. Where and why does rail transport the most convenient means of transportation?
Ans. Rail transport is the most convenient means of transport all over the country. It is especially suited to long distance travel by people and also for transportation of goods in bulk. A train can carry a large number of people or large bulks of goods at one go. Thus, cost of transportation per unit becomes quite less compared to other modes of transport.
9. What is the significance of the border roads?
Ans. Border roads play significant role in connecting the inaccessible areas along the border to the rest of the country. Border roads also have strategic importance because they provide a channel to carry soldier and artilleries in case of a threat on the border.
10. What is meant by trade? What is the difference between international and local trade?
Ans. Business activity between two or more parties is called trade. The trade within the country is called local trade or domestic trade. The trade between two countries is called international trade.
11. Why are the means of transportation and communication called the lifelines of a nation and its economy?
Ans. Means of transport provide seamless movement of goods and people and thus facilitate various economic activities. Means of communication help in flow of information which is necessary for proper management of supply chain and financial transactions. Thus, means of transport and communication put life into a nation and its economy. Hence, they are called the lifelines of a nation and its economy.
12. Write a note on the changing nature of the international trade in the last fifteen years.
Ans. Some of the changes in the international trade in the last fifteen years are as follows: Bulk imports as a group registered a growth accounting for 39.09 per cent of total imports. This group includes fertilizers (67.01 percent), cereals (25.23 percent), edible oils (7.94 percent) and newsprint (5.51 percent). International trade has undergone a sea change in the last fifteen years. Exchange of commodities and goods have been superseded by the exchange of information and knowledge. India has emerged as a software giant at the international level, and it is earning large foreign exchange through the export of information technology.
(Session 2025 - 26)