Class 9 Geography Chapter 6 Extra Question Answers - Population

1) What does 'census' mean?

Answer:  Census is an official counting of population done periodically. In India it is done regularly every tenth year.

2) According to 2001 census, which state is most populous?

Answer: Uttar Pradesh with the population of 166 million people is the most populous state of India.

3) In which states of India does half of India's population live?

Answer:Almost half of India's population lives in Uttar Pradesh, Maharashtra, Bihar, West Bengal and Andhra Pradesh. 

4) How is density of population calculated?

Answer:Population density is calculated as the total number of persons living per square km area.

5) What was the population density of India in 2001 census?

Answer:324 person per sq. km. 

6) What is the highest and lowest density of India?

Answer:Highest density of population is 904 per sq. kms in West Bengal and lowest is 13 persons per sq. kms in Arunachal Pradesh

7) Why do some states of India have sparse population?

Answer: Rugged terrain and unfavorable conditions are primarily responsible for sparse population in some states of India. 

8) Why do most of the peninsular states have moderate population?

Answer: Most of the peninsular states have moderate population because of hilly dissected and rocky nature of the terrain, moderate to low rainfall, shallow and less fertile soils.

9) Why do Northern plains and Kerala have very high density of population?

Answer: Northern plains and Kerala have a very high density of population because of flat plains with fertile soils and abundant rainfall. 

10) What does growth of population mean?

Answer:Growth of population refers to the change in the number of inhabitants of a country during a specific period of time, say during the last ten years.

11) How do we get absolute increase in numbers of population?

Answer: It is obtained by simply subtracting the earlier population from the later population. It is referred as to absolute increase. 

12) How is annual growth rate calculated?

Answer: The difference between birth rate and death rate gives us the annual growth rate.

13) How is birth rate calculated?

Answer:  Birth rate is the number of live births per thousand persons in a year. 

14) How is death rate counted?

Answer:Death rate is the number of deaths per thousand persons in a year. 

15) What is migration of population?

Answer:Migration is the movement of the people across regions and territories. Migration can be internal or international. 

16) What is the impact of migration on population?

Answer:Migration plays a very significant role in changing the composition and distribution of population, normally it adds to the population. It also changes population composition of urban and rural population in terms of age and sex composition. 

17) What are the push and pull factors of internal migration in India?

Answer:In India, most migrations have been from rural to urban areas because of the push factor in rural areas. These are adverse conditions of poverty and unemployment in the rural areas and the pull of the city in terms of increased employment opportunities and better living conditions.

18) What does 'Age Composition' mean?

Answer: The age composition of the population refers to the number of people in different age groups in a country. 

19) How is 'Age Composition' an important component of population?

Answer:To an important degree, a person's age influences what he needs, buys, does and his capacity to perform. 

20) In which category are children below 15 years counted?

Answer:Children are economically unproductive and need to be provided with food, clothing, education and medical care. So, they are counted in dependent population.

21) What is the age of working population in India?

Answer:Working population is aged between 15-59 years. They are economically productive and biologically reproductive. 

22) How people above the age of 59 years are called dependent population?

Answer:They can be economically productive though they may have retired. They may be working voluntarily but they are not available for employment through recruitment. 

23) What is Sex Ratio?

Answer:Sex ratio is defined as the number of females per 1000 males in the population. 

24) What was the sex ratio of India in the year 2001?

Answer: It was 933 women per thousand males. 

25) Why literacy is considered an important quality of a population?

Answer: Actually only an informed and educated citizen can make intelligent choices and undertake research and development projects.

26) Who is considered a literate in India?

Answer:According to the census of 2001, a person aged 7 years and above who can read and write with understanding in any language is treated as literate. 

27) What is the literacy rate of male and female as per the census of 2011?

Answer:  It is 75.26 per cent for males and 53.67 per cent for females.

28) What is referred as occupational structure?

Answer:The distribution of population according to different types of occupation is referred as occupational structure.

29) In which three types occupations are broadly classified?

Answer:Occupations are classified as:
(i) Primary Activities,
(ii) Secondary Activities,
(iii) Tertiary Activities. 

30) What are the main Primary Activities?

Answer:Primary activities include agriculture, animal husbandry, forestry, fishing, mining and quarrying, etc. 

31) Which occupations are covered under Secondary Activities?

Answer:Secondary activities include manufacturing industry, building and construction work, etc.  

32) Which activities are considered as Tertiary Activities?

Answer: Tertiary activities include transport, communications, commerce; administration, and office services. 

33) How proportion of people working in different activities varies iii developed and developing countries?

Answer:Developed nations have a high proportion of people in secondary and tertiary activities, whereas developing countries tend to have a higher proportion of their workforce engaged in primary activities 

34) What can be the reasons for the declining death rate in India?

Answer:The substantial improvement is the result of many factors including 'improvement in public health, prevention of fatal diseases and application of medical practices in diagnosis and treatment of ailments.

35) Who are Adolescents?

Answer:Adolescents are generally grouped in the age group of to 19 years. 

36) What is NPP? 

Answer:NPP is National Population Policy 2000 a comprehensive family planning programme initiated by government of India.    

37) What is migration? Which are the two types "of migration? Describe the trends of migration in India.

Answer: (i) Migration is the movement of people across regions and territories.
(ii) Migration can be internal or international.
(iii) In India, most migrations have been form rural to urban areas because of the push factor in rural areas. These are adverse conditions of poverty and unemployment in the rural areas and the 'pull' of the city in terms of increased employment opportunities and better living conditions.

38) What is census? When was the first census held in India? Which type of In formations can we get through census?

Answer: (i) A census is an official enumeration of population done periodically.
(ii) In India, the first census was held in the year 1872. The first complete census, how ever, was taken in the year 1881. Since then, the censuses have been held regularly every tenth year
(iii) The Indian census is the most comprehensive source of demographic, social and economic data. 

39) What do you know about the size and distribution of India's population on the basis of the 2001 Census?

Answer:  According to the Census 2001 data:
(i) UP with a population size of 166 million people is .the most populous state of lndia.
(ii) The Himalayan state of Sikkim has a population of just about 0.5 million and Lakshadweep has a population of only 60 thousand people.
(iii) Almost half of India's population live in just five states:
(a) UP, (b) Maharashtra, (c) Bihar, (d) West Bengal and (e) Andhra Pradesh. 

40)   What do you mean by growth of population? How is it calculated?

Answer: Growth of population or population growth refers to the change in the number of inhabitants of a country during a specific period of time, say during the last ten years. It can be expressed in two ways:
(i) A bsolute Numbers: 11 is obtained by simply subtracting the earlier population from the later population. It is referred to as the 'absolute increase'.
(ii) Annual Growth Rate: When the rate or pace of population is studied in per cent per annum. If increase is 2 per cent, i.e., there was an increase of two persons for every 100 persons in the base population. This is referred to as the annual growth rate.

41) What are the three main processes of change of population?

Answer:The three main processes of change of population are?-birth rates, death rates and migration.
(i) Birth rate: It is the number of live births per thousand persons in a year. If is a major component of growth because in India, birth rates have always been higher than the death rates.
(ii) Death rate: It is the number of deaths per thousand persons in a year. The main cause of the rate of growth of the Indian population has been The rapid decline in the death rate. (iii) Migration: Migration is the movement of people across regions and territories. Migration can be internal (within the country) or international (between countries).

42) Give reasons for how migration plays a significant role in changing the composition and distribution of the population.

Answer: (i) In India, most migrations have been from rural to urban areas because of the push factor in rural areas.
(ii) There are adverse conditions of poverty and unemployment in the rural areas.
(iii) The pull of the city in terms of increased employment opportunities and better living conditions also leads to migration.
(iv) Migration is an important determinant of population change.
(v) It changes not only the population size but also the population composition of the urban and rural population in terms of age and sex composition. 

43) What is age composition? How does it affect the population's social and economic structure?

Answer:  The age composition of a population refers to the number of people in different age groups in a country.
(i) It is one of the most basic characteristics of population.
(ii) To an important degree, a person's age influences what he needs, buys, does and his capacity to perform.
(iii) Consequently, the number and percentage of a population found within the children, working age and aged groups are notable determinants of the population's social and economic structure. 

44) What are the three broad categories of division of population on the basis of their economic structure?

Answer: (i) Children (generally below 15 years): They are economically unproductive and need to be provided with food, clothing, education and medical care.
(ii) Working age (15-59 years): They are economically productive and biologically reproductive. They comprise the working population.
(iii) Aged (above 59 years): They can be economically productive, though they may have retired. They may be working voluntarily, but they are not available for employment through recruitment.

45) What is sex ratio? How is it calculated?

Answer:  Sex ratio is defined as the number of females per 1,000 males in the population. This information is an important social indicator, to measure the extent of equality between males and females in a society, at a given time. The sex ratio in India has always remained unfavorable for females. The sex ratio of India in 1951 was 946 females per 1,000 males and in 2001, it declined to 933 females per 1,000 males. 

46) Who is a literate person according to the Census 2001? Why is literacy considered important for the quality of the population?

Answer: According to the Census 2001 data, a person aged 7 years and above who can read and write with understanding in any language is treated as literate. Literacy is considered very important for the quality of a population because of the following: (i) Only an well-informed and educated citizen can make intelligent choices and undertake research and development projects. (ii) Low levels of literacy are a serious obstacle for economic improvement.

47) What is occupational structure? How are occupations generally classified?

Answer:The distribution of the population according to different types of occupation is referred to as Occupational Structure. Occupations are generally classified as:
(i) Primary activities: These include agriculture, animal husbandry, forestry, fishing, mining and quarrying, etc.
(ii) Secondary activities: These include the manufacturing industry, building and construction work, etc.
(iii) Tertiary activities: These include transport, communication, commerce, administration and other services. 

48) What does the National Population Policy indicate?

Answer: (i) The NPP 2000 provides a policy framework for imparting free and compulsory school education up to 14 years.
(ii) It reduces the infant mortality rate to below 30 per thousand live births.
(iii) It helps in achieving universal immunisation of children against all vaccine-preventable diseases.
(iv) It has promoted delayed marriage for girls and has made family welfare a people-centred programme. 

49) What is the relationship between occupational structure and development?

Answer:  (i) The proportion of people working in different activities varies in developed and developing countries.
(ii) Developed nations have a high proportion of people engaged in secondary and tertiary activities.
(iii) Developing countries tend to have a higher proportion of their workforce engaged in primary activities.
(iv) In India, about 64 per cent of the population are engaged only in agriculture.
(v) The proportion of population dependent on secondary and tertiary sectors is also less (about 13 and 20 per cent, respectively) in India.
(vi) Now, however, there has been an occupational shift in favour of the secondary and tertiary sectors with the growing industrialisation and urbanisation in recent times. 

50) Which areas are sparsely populated in India and why?

Answer:Sparsely populated areas of India are high mountain regions of Jammu and Kashmir and Arunachal Pradesh and desert parts of Rajasthan.
Reasons:
(i) Extremely cold climatic condition, which makes living difficult.
(ii) High and snow covered areas do not favour any kind of habitation.
(iii) There are few regions which are fertile but they, too, are small and scattered. Besides that, it is difficult to approach these areas since there are no good means of transportation and communication available.
(iv) Desert area of Rajasthan is arid, hot and dry region. It has sandy soils, not suitable for cultivation. So, it does not favour any habitation.