Solutions Chapter 6. Human Resources - Exercise NCERT | Class 8 Geography - Toppers Study

Solutions Chapter 6. Human Resources - Exercise NCERT | Class 8 Geography - Toppers Study

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Chapter 6. Human Resources

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1. Answer the following questions.

 (i) Why are people considered a resource?

Ans: - Human beings are the most important resources of a nation. They are Significant because had they not utilized their brains, the other resources of nature would not have found any utility. In other words, human resources are the ultimate resources.

 (ii) What are the causes for the uneven distribution of population in the world?

Ans:-

• Fertility of soils, availability of fresh water, minerals are others major geographical factors behind this.
• Some social factors that boost the density of population in a region are better housing, education, and health facilities.
• Places with cultural or historical significance are usually populated.
• Employment Opportunities are another attraction for large chunks of Population. 

 (iii) The world population has grown very rapidly. Why?

Ans: - The world population has grown rapidly because of the development in medical science which has caused decrease in death rate. Since lesser people die now diseases than before, wheras there was no way to decrease the birth rate, the population has increased at a fast rate.  

 (iv) Discuss the role of any two factors influencing population change.

Ans:- Geographical factors :- people prefer to live on plains more than mountains or plateaus and they live more in moderate climates than extreme hot and cold point from the agriculture point of view, fertile lands are preferred. Areas with minerals deposit are more populated.

Economic factor:- people prefer to industrial areas since they provide more and better Employment opportunity. Due to this, industrial cities are thickly populated.

(v) What is meant by population composition?

Ans: - The structure of the population with various respect like age , sex literacy, occupation, health facilities, economic conditions, etc is called population composition. 

 (vi) What are population pyramids? How do they help in understanding about the population of a country?

Ans: - Population pyramid reflect the level of births and deaths. It also reveal the number of dependent in a country and people in the working are bracket. The statistics from a population pyramid help a government plan its programmes and budget, for the development of the nation.

 

 2. Tick the correct answer.

 (i) Which does the term population distribution refer to?

 (a) How population in a specified area changes over time.

(b) The number of people who die in relation to the number of people born in a specified area.

 (c) The way in which people are spread across a given area.

 (ii) Which are three main factors that cause population change?

 (a) Births, deaths and marriage.

(b) Births, deaths and migration

 (c) Births, deaths and life expectancy

 (iii) In 1999, the world population reached

 (a) 1 billion                                       (b) 3 billion                                             (c) 6 billion

 (iv) What is a population pyramid?

(a) A graphical presentation of the age, sex composition of a population.

 (b) When the population density of an area is so high that people live in tall buildings.

 (c) Pattern of population distribution in large urban areas.

Ans: - (i) The way in which people are spread across a given area.

 (ii) Births, Deaths and migrations

(iii) 6 billion

(iv) A graphical presentation of the age, sex composition of a population.

 3. Complete the sentences below using some of the following words.

Sparsely, favorable, fallow, artificial, fertile, natural, extreme, densely

When people are attracted to an area it becomes....................... Populated Factors that influence this include....................... Climate; good supplies of....................... Resources and....................... land.

Ans: - When people are attracted to an area it becomes densely Populated Factors that influence this include Favorable climate; good supplies of Natural Resources and Fertile land.