Distinguish between

IV. Distinguish between

1. Density of population and Growth of population.

Density of Population

• Density of population is expressed as number of persons per sq. km.

• In India the most densely populated state is Bihar. 

• The state with least population density is Arunachal Pradesh.  

Growth of Population

• Growth of population refers to an increase or decrease of population of an area from one period to another period.

• In India the most populous state is Uttar Pradesh.

• Sikkim is the least populous state of India.

2. Personal communication and mass communication.

Personal Communication

• The exchange of information between the individuals is called personal communication.

• It includes post and telegraph services, telephone, mobile phone, short message services, fax, internet, e-mail etc.

• It enable the user to establish direct contact.

• It helps to sent messages.

Mass Communication

• Mass communication helps millions of people to get the information at the same time.

• It includes radio, television, news paper etc.

• Direct contact is not possible.

• It helps to create awareness among the people on national policies and programmes.

3. Print Media and Electronic Media.

Print Media

• We get information through printed materials.

• It includes newspapers, journals and magazines.

• Newspapers carry information on local, national and international events to the people.

Electronic Media.

• We get information through electronic gadgets.

• It includes radio, television and internet.

• It broadcasts programmes related to information, education and entertainment.

4. Roadways and Railways.

Roadways

• Roadways are the cost efficient and most universal mode of transport

• Roads play an important role in carrying goods and passengers for short, medium and long distances.

• Construction and maintenance of roads is cheap.

• India has the second longest road network in the world.

Railways

• Indian railway system is the main artery of the country's inland transport.

• Railways cater to the needs of large scale movement of goods and passengers.

• Construction and maintenance of railroads is costlier.

• Indian railways network is the second largest in the world.

5. Waterways and Airways.

Waterways

• Water ways is the oldest and cheapest means of transport.

• It is most suitable for carrying heavy and bulky materials from one country to another.

• It is a fuel efficient and environment friendly mode of transport.

• The two types of waterways are inland waterways and ocean waterways.

Airways

• Airways are the quickest, costliest, most modern and comfortable means of transport.

• They carry passengers, freight and mail.

• It is not fuel efficient.

• The two types of airways are Domestic Airways and International Airways.

6. Internal trade and International trade.

Internal trade

• The trade carried on within the domestic territory of a country is internal trade.

• It is also called Domestic trade (or) Local trade.

• Land transport plays a major role.

• Local currency is used.

International trade

• Trade carried on between two or more countries is international trade.

• It is also called External trade (or) Foreign trade.

• Waterways and Airways play a vital role.

• Foreign currency is involved.