Human Resource Class 8 Questions and Answers Geography Chapter 6
Geography Class 8 Chapter 6 NCERT Textbook Questions and Answers
Question 1.
Study Fig. 6.1 (T.B.) and find out the continents which have population
(a) Only 5 per cent
(b) Only 13 per cent
(c) Only 1 per cent
(d) Only 12 per cent
Answer:
(a) North America
(b) Africa
(c) Australia
(d) Europe.
Question 2.
Answer the following questions.
(i) Why are people considered a resource?
(ii) What are the causes for the uneven distribution of population in the world?
(iii) The world population has grown very rapidly. Why?
(iv) Discuss the role of any two factors influencing population change, (v) What is meant by population composition?
(v) What are population pyramids? How do they help in understanding about the population of a country?
Answer:
(i) Human beings with their demands and abilities have turned a thing into a resources. Thus, human beings are considered a resource.
(ii) The causes for the uneven distribution of population in the world are as follow :
(a) Geographical Factors :
- Topography : People prefer to live on plains rather then mountains and plateaus because these areas are suitable for farming manufacturing and service activities.
- Climate : People avoid living in extreme climate.
- Soil : Fertile soil is suitable for agriculture. Hence, fertile soils are density populated.
- Water : People prefer to live where fresh water is available.
- Minerals : Areas with minerals are density populated.
(b) Social and Economic factors :
- Economic factors : People prefer to settle down where employment is easily available. Industrial areas provide more occupation.
- Cultural factors : Religional and cultural places attract more people.
- Social Factors : Areas with better housing, education and health facilities are more density populated.
(iii) The world population has grown more rapidly because of better food supplies and medicines. Now-a-days, deaths are reducing while the number of births still remained fairly high.
(iv) The change in the number of people during specific time is referred to as population change.
The two factors influencing population change are :
- rapid increase in natural growth rate.
- migration of people from ore country to another.
(v) Population composition refers to the structure of the population. It reveal the number of males and females, age group of persons, education, occupation, income level etc.
(vi) Population pyramid is a pictoral way to describe the population composition. Population pyramids show the total population divided into age groups, e.g. 5-9 years, 10-14 years. It also shows the percentage of the total population, subdivided into males and females, in each of there groups.
Question 3.
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.
Answer:
(a) How population in a specified area changes over time.
(ii) Which are three main factors that cause population change?
(a) Births, dealths and marriage
(b) Births, deaths and migration
Answer:
(b) Births, deaths, and migration
(iii) In 1999, the word population reached
(a) 1 billion
(b) 3 billion
(c) 6 billion
Answer:
(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.
Answer:
(a) A graphical presentation of the age, sex composition of a population.
Question 4.
Complete the sentences below using some of the following words.
sparsely, favourable, 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.
Answer:
densely, favourable, natural, fertile.
Question 5.
Activity : Discuss the characteristics of a society with ‘too many under 15s’ and with ‘too few under 15s’.
Answer:
Hints :
Need for schools, pension schemes, teachers, toys, wheel chair, labour supply, hospitals, etc.