NCERT Solutions for Class 8 Geography Chapter 6 Human Resources
NCERT Solutions for Class 8 Social Science Geography Chapter 6 Human Resources are given below. These solutions contain answers to all the exercise questions given in the Geography textbook. All our solutions are updated as per the latest CBSE Syllabus and Guidelines. These solutions will also help you to score higher marks with the help of well-illustrated answers. All the questions and answers of Class 8 Geography Chapter 6 Human Resources are provided here in PDF format.
Class 8 Geography Chapter 6 Human Resources NCERT Solutions
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1. Answer the following questions.
(i) Why are people considered as resource?
Answer: People are the greatest resource of the nation. All other resources of nature become significant only when people extract its usefulness. It is people with their demands and abilities that turn them into resources. Hence, human resource is the ultimate resource.
(ii) What are the causes for the uneven distribution of population in the world?
Answer: The distribution of population in the world is uneven. Some areas are very crowded while some are sparsely populated. There are various reasons behind this uneven distribution:
(a) Geographical factors: Favourable topography, availability of mineral and fresh water resources, favourable climate and soil fertility are some of the reasons affecting population distribution. e.g., Indo Gangetic Plains, Diamond Mines of South Africa etc are densely populated. Whereas desert regions like Sahara, mountainous regions like Himalayas and cold regions like Antarctica etc are sparsely populated.
(b) Social and Cultural factors: Areas of better housing, education and health facilities are more populated. eg. Pune. Places of religious and cultural significance also attract people e.g., Varanasi, Jerusalem etc.
(c) Economic factors: Places having more industries, transportation and communication facilities provide better employment opportunities. People are attracted to these places because of the above reasons e.g., Mumbai, Osaka etc.
(iii) The world population has grown very rapidly. Why?
Answer: 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.
(iv) Discuss the role of any two factors influencing population change.
Answer: Two factors influencing the change in population are birth rate and death rate. Birth rate is the number of births per 1,000 people and death rate is the number of deaths per 1,000 people. Births and deaths are the natural causes of population change. When the birth rate is more than the death rate, it means that the population is increasing and vice-versa. The difference between the birth rate and the death rate of a country is called the natural growth rate.
(v) What is meant by population composition?
Answer: Population composition refers to the basic structure of the population. Population composition helps to know the number of males or female, their age-groups, ethnicity, tribe, language, religion, literacy, their occupation, their income level and health conditions etc.
(vi) What are population pyramids? How do they help in understanding about the population of a country?
Answer: The graphical representation used to study the composition of a country’s population is called the population pyramid. It is also named as the age−sex pyramid. It gives information about the number of males and females in the population and their precise age groups. The age group details help in determining the number of dependents and the economically active citizens present in the population. When the population of a country has high birth and death rates, the population pyramid is broad at the base and narrow towards the top.
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.
Answer: (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
Answer: (b) Births, deaths and migration
(iii) In1999, the world 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.
3. 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: When people are attracted to an area, it becomes densely populated, Factors that influence this include favourable climate; good supplies of natural resources and fertile land