Very Short Answer-Class 10 – Social Science -Geography-Chapter 7 Lifelines of National Economy

Very Short Answer-Class 10 – Social Science -Geography-Chapter 7 Lifelines of National Economy

Q1. Why are metalled roads better than unmetalled roads? What is the role of border roads and national highways in transportation?

Ans : Metalled roads are made of either cement, concrete or even bitumen of coal. Therefore, these are durable over unmetalled road.

Unmetalled roads go out of use in rainy season. Border roads plays an important role in connecting strategically important difficult areas and helps in the economic development of the area.

National Highways are the primary road system which links important parts of the country.

Q2. Explain any four qualitative improvements made in Indian Railways.

Ans : a. Conversion of meter gauge to broad gauge.

b. Steam engines have been replaced by- diesel and electric engines. This has increased the speed and haulage capacity.

c. The replacement of steam engine run by coal has improved the environment of stations and its surroundings.

d. Railways routes have been extended to areas were there was no railway lines earlier.

Q3. Explain any three major problems faced by Indian Railways.

 Ans : In India rail transport suffers from certain problems. These are as follows:

a. Poor service offered by railways.

b. Thefts and damaging of railway property are rampant.

c. The large population puts enormous strain on existing infrastructure.

Q4. Explain any four advantages of pipeline transportation.

Ans :The four advantages of pipeline transportation are:

a. Both solid (when converted into slurry) liquid and gases can be transported through pipelines.

b. Initial cost of laying pipelines is high but subsequent running costs are minimal.

c. Transshipment of losses and delays are minimum. d. It is economical to transport petroleum, natural gas, fertilizers to interior places.

Q5. What is the difference between personal communication and mass, communication? State any two points of importance of mass communication.

 Ans : Personal communication means a communication between two persons either through oral, letter or through telephone etc, while mass communication includes the use of radio, television, press, films etc, for wider public audience.

The two points of importance of mass communication are

 a. provides entertainment and

b. creates awareness among people about various national programmes and policies.

Q6. What is meant by international trade? State any one feature of India’s international trade.

 Ans : a. Trade between two countries is called international  trade.

b. One of the features of international trade of India is information technology. c. Trade

d. International Trade

e. Favourable Balance of Trade

f. Unfavourable Balance of Trade

 Q7. Describe the rural roads in India.

Ans : a. Rural roads link rural areas and villages with towns.

b. These roads received special impetus under thePradhan Mantri Grameen Sadak Yojna.

c. Special provisions are made so that every village in the country is linked to a major town in the country by an all-season motorable road.

Q8. Describe any three factors that accord prominence to airways as a mode of transportation.

Ans : Following are the factors that accord airways prominence as a mode of transportation:

a. They are the fastest mode of transportation.

b. They are the best means of transport for remote, inaccessible and hostile areas.

c. Airways play a vital role in the event of natural and human-made calamities like floods, famines, earthquake, epidemics and war by virtue of their swiftness.