Questions Answers For All Chapters – Geography Class 8
Population
Q 1. Complete the following sentences.
(A) If the birth rate is greater than the death rate then the population………..
(i) decreases
(ii) increases
(iii) remains constant
(iv) becomes surplus
Answer: (ii) increases.
(B) People of ……………age group are included in the productive population.
(i) 0 to 14
(ii) 14 to 60
(iii) 15 to 60
(iv) 15 to 59
Answer: (iv) 15 to 59
(C) The spread of modern technology in society is mostly dependant on ……
(i) Sex Ratio
(ii) Birth Rate
(iii) Literacy
(iv) Migration
Answer: (iii) Literacy.
Q 2. Examine the following statements and correct the incorrect ones.
(a) The population density of a region can be understood from its area.
Answer: Incorrect:- The population density of a region can be understood from its area.(❌)
Correct Statement:- Population density is understood from the ratio of population to the area.
(b) The quality of population is determined on the basis of literacy.
Answer: correct:- The quality of population is determined on the basis of literacy. ✅
(c) There is an adverse impact on manpower in the regions of out migration.
Answer: correct:- There is an adverse impact on manpower in the regions of out-migration. ✅
(d) Greater economic prosperity indicates the development of a region.
Answer: correct:- Greater economic prosperity indicates the development of a region. ✅
(e) Developing countries have an HDI of 1.
Answer: Incorrect:- Developing countries have an HDI of 1. (❌)
Correct Statement:- Developing countries have an HDI lower than 0.8.
Q 3. Answer in brief.
(a) What are the aspects considered in the structure of population?
Answer: (a) Aspects considered in the structure of population:
- Sex ratio
- Age structure
- Literacy
- Occupational structure
- Area of residence (rural or urban)
(b) Prepare a list of advantageous and disadvantageous factors, affecting population distribution.
Answer: Advantageous and disadvantageous factors affecting population distribution:
Advantageous factors:
- Availability of natural resources
- Favorable climate
- Employment opportunities
- Good infrastructure
Disadvantageous factors:
- Unfavorable climate
- Scarcity of resources
- Political instability
- Poor infrastructure
(c) What are the problems in areas of high population densities?
Answer:
- Overcrowding
- Shortage of resources (food, water, housing)
- Pollution
- Increased competition for jobs
(d) What are the problems in area of low population densities?
Answer:
- Shortage of manpower
- Poor infrastructure development
- Lack of proper education and healthcare facilities
- Difficulty in transportation and communication
Q 4. Give Geographical Reasons.
(a) Population is an important resource.
Answer:
- Population drives economic, social, and cultural development.
- Skilled and educated population boosts industries and services.
(b) Productive population is an important group.
Answer: The productive population (15-59 years) supports economic activities and the dependent population.
(c) The study of age structures is important.
Answer:
- Helps in planning for future needs of different age groups.
- Provides insights into the working and dependent population ratio.
(d) Literacy is directly related to development.
Answer:
- Higher literacy rates improve skill levels and increase employment opportunities.
- Educated population supports technological and economic growth.
(e) The real progress of a country is understood with the help of the Human Development Index.
Answer:
- HDI measures standard of living, life expectancy, and education.
- Higher HDI indicates better quality of life and development.
Q 5. Write notes.
(A) Sex ratio
Answer:
- Ratio of females to males per 1000 males.
- A balanced sex ratio indicates gender equality, while imbalance reflects social issues like migration.
(B) Age Structure
Answer:
- Division of population into different age groups.
- Helps in understanding the proportion of dependent and working population.
(C) Literacy
Answer:
- Percentage of people who can read and write.
- Higher literacy rates lead to better economic and social development.
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