human resource chapter

      1. Why people called a resource.

Ans; People are a nation’s greatest resource.   It is people with their demands and abilities that turn other resources into useful resources.

2. Define human resource.

Ans; Healthy, educated and motivated people develop resources as per their requirements are known as human resource.

3. Name the 10 countries which are most populous in world.

China, India, Usa, Indonesia, brazil, Pakistan, Bangladesh, Nigeria, Russia and Japan.

4. What is density of population?

The number of people living in a unit area of the earth’s surface in per square km.

5. What is Average density of population in India?

Average density of population in India is 382 persons per square km.

6. Which are the Factors affecting the distribution of population?

Geographical Factors, Social, Cultural and Economic Factors are affecting the distribution of population.

7. Define the following.

Birth rate i.e. the number of live births per 1,000 people.

 Deaths rate  are usually measured using the death rate i.e. the number of deaths per 1,000 people.

 Migration is the movement of people in and out of an area.

8. Define Immigration- When a person enters a new country.

Define Emigration- When a person leaves a country.

Exercise questions

1. What are the causes for the uneven distribution of population in the world?

Ans: Geographical factors: Favorable topography, availability of mineral and fresh water resources, favorable climate and soil fertility.  

→ Social and Cultural factors: Areas of better housing, education and health facilities are more populated.  
→ Economic factors: Places having more industries, transportation and communication facilities.

    2.   The world population has grown very rapidly. Why?

Ans; The world population has grown very rapidly because the death rate has gone down as a result of the growth of food supplies and the improvement of medical facilities. Also, unlike the death rate, the birth rate has remained quite high.

3. Discuss the role of any two factors influencing population change.

Ans: The birth rate and the death rate are two factors that influence population change. The birth rate is the number of live births per 1000 people while the death rate is the number of deaths per 1000 people.

 When the birth rate is higher than the death rate, population increases. When the death rate is more than the birth rate, population decreases.

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4. What is meant by population composition?

Ans Population composition refers to the structure of the population.

Population composition helps to know the number of males or female, their age-groups, literacy, their occupation, their income level and health conditions etc..

 5. What are population pyramids? How do they help in understanding about the population of a country?

Ans; The graphical interpretation that is used for studying the population composition of a country is called population pyramids.

It shows the present number of males and females in a country along with their age groups.