NCERT Solutions for Class 10 Social Science Geography Chapter 7 Lifelines of National Economy are part of NCERT Solutions for Class 10 Social Science. Here we have given NCERT Solutions for Class 10 Social Science Geography Chapter 7 Lifelines of National Economy.
|Subject||Social Science Geography|
|Chapter Name||Lifelines of National Economy|
|Number of Questions Solved||12|
NCERT Solutions for Class 10 Social Science Geography Chapter 7 Lifelines of National Economy
From the exam point of view, the students should be able to :
- Understand the various means of transport and communication networks and their significance
- Identify the need for a set network of transport and communication
- Compare the different modes of transport and communication
- Critically evaluate the merits and demerits of roadways, railways and waterways
- Examine their role in enhancing trade and commerce and also tourism
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
Which mode of transportation reduces transshipment losses and delays?
Which one of the following states is not connected with the H.V.J. pipeline?
(a) Madhya Pradesh
(d) Uttar Pradesh
Which one of the following ports is the deepest, land-locked and well-protected port along the east coast?
Which one of the following is the most important modes of transportation in India?
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
State any three merits of roadways.
(a) Construction cost of roads is much lower than that of railway lines.
(b) Roads provide door-to-door service.
(c) They can traverse comparatively more dissected and undulating topography.
Where and why is rail transport the most convenient means of transportation?
The northern plains with their vast level land, high population density, rich agricultural resources and greater industrial activity have favoured development of railways in these areas.
What is the significance of the border roads?
Explain the significance of Border Roads. 
(a) Border roads are constructed along the international frontier mainly for maintaining the defence of our country.
(b) These roads have improved accessibility in areas of difficult terrain.
(c) These roads are important for fast movement of supplies at border posts.
What is meant by trade? What is the difference between international and local trade?
Exchange of goods and services among people, states and countries is referred to as trade. Trade between two or more countries is called international trade. It may take place through air, sea or land routes. Foreign currency is needed for it. Local trade is the trade carried in cities, towns and villages. National currency is needed for it.
Why are the means of transportation and communication called the lifelines of a nation and its economy? 
(a) Transport routes provide important link between producers and consumers.
(b) They tremendously contribute to the increase in volume of trade, both national and international.
(c) They help in maintaining the balance of demand and supply.
(a) Communication enables people to overcome distances by bringing the world closer through faster and easier modes of interaction, e.g., internet, radio, television, telephone, etc.
(b) Means of communication help people to remain in touch with developments in other parts of the world.
(c) Communication helps in transfer of technology.
Write a note on the changing nature of the international trade in the last fifteen years.
India has trade relations with all the major trading blocks and all geographical regions of the world. India’s foreign trade, which is multilateral in nature, is carried mainly through seas and oceans. In the last fifteen years, there has been a change in international trade which is as follows:
(a) 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.
(b) India has become exporter of manufactured goods unlike the exporter of raw materials.
(c) Export of agricultrue and allied products, ores and minerals, gems and jewellery, chemical and allied products, engineering goods and petroleum products has been increasing over the last few years.
(d) Over the last few years, bulk imports which include fertilisers, cereals, edible oils and newsprint have registered a growth accounting for 39.09 per cent of total imports.
(e) Tourism in India has grown over the last two decades. Foreign tourist’s arrivals in the country witnessed an increase of 23.5 per cent during the year 2004 as against the year 2003.
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