NCERT Solutions Class 10 Social Science Geography Lifelines of the National Economy

NCERT Solutions for Class 10 Social Science Geography Chapter 7 Lifelines of the National Economy

1. Multiple choice questions

(i) Which two of the following extreme locations are connected by the east-west corridor?

(a) Mumbai and Nagpur

(b) Silcher and Porbandar

(c) Mumbai and Kolkata

(d) Nagpur and Siligudi

Answer: (b) Silcher and Porbandar


(ii) Which mode of transportation reduces trans- shipment losses and delays?

(a) Railways

(b) Roadways

(c) Pipeline

(d) Waterways

Answer: (c) Pipeline


(iii) Which one of the following states is not connected with the H.V.J. pipeline?

(a) Madhya Pradesh

(b) Maharashtra

(c) Gujarat

(d) Uttar Pradesh

Answer: (b) Maharashtra


(iv) Which one of the following ports is the deepest land-locked and well-protected port along the east cost?

(a) Chennai

(b) Paradwip

(c) Tuticorin

(d) Vishakhapatnam

Answer: (d) Vishakhapatnam


(v) Which one of the following is the most important modes of transportation in India?

(a) Pipeline

(b) Railways

(c) Roadways

(d) Airways

Answer: (b) Railways


(vi) Which one of the following terms is used to describe trade between two or more countries?

(a) Internal trade

(b) International trade

(c) External trade

(d) Local trade

Answer: (b) International trade


2. Answer the following questions in about 30 words.

(i) State any three merits of roadways. Answer: Merits of roadways:

  1. Road transport required much less capital investment than the railways in terms of construction costs.
  2. Roads can go through dissected and undulating land areas and through steep mountains.
  3. Roads provide door-to-door or warehouse-to- warehouse service.


ii) Where and why is rail transport the most convenient means of transportation?

Answer: In the northern India, rail transport is the most convenient mode of transportation. This is because this region has vast alluvial and level lands that are good for laying tracks, and huge population and high agricultural productivity, making rail transport a profitable venture.


(iii) What is the significance of the border roads?

Answer: Border roads are strategically important as they improve accessibility to areas like the northern and northeastern borders, which have a difficult terrain.


(iv) What is meant by trade? What is the difference between international and local trade?

Answer: Trade is the movement of goods and services between regions for economic gain. Trade between two or more countries is termed as international trade, while trade occurring in a region within the same country is called local trade.


3. Answer the following questions in about 120 words.

(i) Why are the means of transportation and communication called the lifelines of a nation and its economy?

Answer: The means of transportation and communication are called the lifelines of a nation and its economy due to the following reasons:

  1. They help in the production and movement of goods and services.
  2. Various means of communication help us in interacting with other in all the parts of the world, and have brought the world closer.
  3. Railways help us in conducting various activities like business, touring, and transportation of goods over longer distances.
  4. Air transport provides the fastest, most comfortable mode of transport.
  5. Pipelines are used for transporting crude oil and petroleum, and natural gas to refineries and fertilizer factories.
  6. Water transport is the cheapest means of transport.

These means of transport and communication help in the development of the country. Therefore, they are called the lifelines of a nation and its economy.


(ii) Write a note on the changing nature of the international trade in the last fifteen years.


The changing nature of the international trade for India, in the last fifteen years, has been impressive. Tourism too has added to India's upgraded position in international trade. Among the commodities in export, the share of agriculture and allied products has been 9.9%, ores and minerals 4.0%, gems and jewellery 14.7%, petroleum products (including coal) 16.8% in 2010-11. The commodities imported to India include petroleum and petroleum products (28.6%), pearls and precious stones (9.4%), chemicals (5.2%), coal, coke and briquettes (2.7%), machinery (6.4%) in 2010-11. This group includes fertilizers (3.4%), cereals (14.3%), edible oils (17.4%), and newsprint (Paper board manufacture and newsprint 40.3%) in 2010-11. India has emerged as a software giant at international level and it is earning large foreign exchange through the export of Information Technology because of its fast growing Business Process Outsourcing (BPO) sector.


Quiz Drive

1.    Northern terminal of the North-south corridor.

2.    The name of National Highway No.2.

3.    The headquarter of the southern railway zone.

4.    The rail gauge with a track width of 1.676 m.

5.    The southern terminal of the National Highway No.7.

6.    A Riverine Port.

7.    Busiest railway junction in Northern India.


1.    Srinagar

2.    Sher-Shah Suri Marg

3.    Chennai

4.    Broad gauge

5.    Kanyakumari

6.    Kolkata Port Trust

7.    Mughalsarai



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