Worksheet Solutions: The World Population | Geography Class 12 - Humanities/Arts PDF Download

Fill in the Blanks

Q1: Population distribution is not uniform across the world. Approximately ______% of the global population resides in only 10% of its land area.
Ans: 90
Population distribution is not uniform across the world. Approximately 90% of the global population resides in only 10% of its land area, indicating significant concentration in certain regions.

Q2: The density of population is calculated as ______.
Ans: Population/Area
The density of population is calculated as Population divided by Area, measuring the number of people per unit of land area.

Q3: Cities offer better employment opportunities, educational facilities, and improved means of transport, leading to ______.
Ans: Urbanization
Cities offer better employment opportunities, educational facilities, and improved means of transport, leading to urbanization as people move to urban areas.

Q4: The crude birth rate (CBR) is calculated as ______.
Ans: (Number of Live Births / Mid-Year Population) x 1000
The crude birth rate (CBR) is calculated as the number of live births in a year per 1000 of the population, providing a measure of birth rates.

Q5: Population growth or change refers to the increase or decrease in the number of inhabitants in a particular area during a specific period of time.
Ans: True
Population growth or change refers to the increase or decrease in the number of inhabitants in a particular area during a specific period of time, serving as an indicator of demographic trends.

Q6: During the first stage of demographic transition, both birth and death rates are ______.
Ans: High
During the first stage of demographic transition, both birth and death rates are high due to factors like epidemics and variable food supply.

Q7: Family planning can help reduce unintended pregnancies, unsafe abortions, and ______.
Ans: Maternal and infant mortality rates
Family planning can help reduce unintended pregnancies, unsafe abortions, and maternal and infant mortality rates, improving reproductive health.

Q8: ______ is a crucial factor in determining human settlement patterns, as people tend to live in areas where fresh water is easily accessible.
Ans: Availability of water
Availability of water is a crucial factor in determining human settlement patterns, as people tend to live in areas where fresh water is easily accessible for their daily needs.

Q9: Migration has significant impacts on both the place of origin and destination, including an increase in ______ in the destination area.
Ans: Diversity
Migration has significant impacts on both the place of origin and destination, including an increase in diversity in the destination area, enriching its cultural fabric.

Q10: The global population grew from 5 billion to 6 billion in just ______ years, indicating rapid population increase.
Ans: 12
The global population grew from 5 billion to 6 billion in just 12 years, indicating rapid population increase and significant growth in a short period.

Assertion and Reason Based

Q1: Assertion: Population growth in developing countries is faster than in developed nations.
Reason: Economic development and population growth are positively correlated.
(a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
(b) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c) Assertion is true, but Reason is false.
(d) Both Assertion and Reason are false.
Ans: (a)
Developing countries often experience higher birth rates due to various factors such as limited access to education, healthcare, and family planning services. Economic development can lead to improved living standards, increased access to education, and awareness about family planning methods, which, in turn, correlates with lower birth rates. Therefore, economic development and population growth are indeed positively correlated, explaining the faster population growth in developing nations.

Q2: Assertion: Urban areas tend to have higher population densities compared to rural areas.
Reason: Urban areas offer better employment opportunities and amenities.
(a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
(b) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c) Assertion is true, but Reason is false.
(d) Both Assertion and Reason are false.
Ans: (a)
Urban areas attract a large population due to the concentration of job opportunities, better healthcare facilities, educational institutions, and improved infrastructure. The availability of amenities and services in urban areas makes them highly populated. Hence, the reason provided correctly explains why urban areas have higher population densities compared to rural areas.

Q3: Assertion: Family planning can help control population growth and improve women's health.
Reason: Availability of family planning services reduces infant mortality rates.
(a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
(b) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c) Assertion is true, but Reason is false.
(d) Both Assertion and Reason are false.
Ans: (b)
Both the assertion and reason are true. Family planning helps in controlling population growth by allowing individuals to plan the number and spacing of their children. Additionally, family planning services do contribute to improved maternal and child health, but the reduction in infant mortality rates is not directly linked to the assertion. The primary benefit of family planning in the context of the assertion is controlling population growth.

Q4: Assertion: Population decline can lead to social, economic, and environmental problems.
Reason: Population decline is always a result of migration patterns.
(a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
(b) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c) Assertion is true, but Reason is false.
(d) Both Assertion and Reason are false.
Ans: (c)
The assertion is true; population decline can indeed lead to various problems such as labor shortages, economic stagnation, and strain on social welfare systems. However, population decline is not always a result of migration patterns. It can occur due to factors like declining birth rates, increased mortality rates, and changing societal norms, independent of migration.

Q5: Assertion: Industrialization and urbanization lead to higher population growth.
Reason: Cities offer better job opportunities and facilities, attracting people from rural areas.
(a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
(b) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c) Assertion is true, but Reason is false.
(d) Both Assertion and Reason are false.
Ans: (a)
The assertion is true as industrialization and urbanization often lead to higher population growth. Rapid industrialization creates jobs and economic opportunities, attracting people to urban centers. The reason provided correctly explains why industrialization and urbanization lead to higher population growth - cities indeed offer better job opportunities, improved facilities, and a higher standard of living, which attract individuals from rural areas, contributing to urban population growth.

Very Short Answer Type Questions

Q1: What does the density of the population measure?
Ans: The density of population measures the ratio of the number of people to the size of the land they occupy, typically measured in persons per square kilometer.

Q2: Name one geographical factor influencing human settlement patterns.
Ans: Availability of water.

Q3: What is the crude birth rate (CBR) formula?
Ans: CBR = (Number of Live Births / Mid-Year Population) x 1000

Q4: What does the Demographic Transition theory explain?
Ans: The Demographic Transition theory explains the transformation of a region's population from high birth and death rates to low birth and death rates.

Q5: What is one impact of migration on the place of origin?
Ans: Loss of labor force.

Q6: What is the primary reason for the uneven distribution of the world's population?
Ans: Geographical factors such as availability of water, landforms, climate, and soil fertility.

Q7: Name one factor influencing migration other than economic reasons.
Ans: Education.

Q8: What does the actual growth of population take into account?
Ans: The actual growth of population takes into account both natural increase (births minus deaths) and migration.

Q9: What is family planning?
Ans: Family planning refers to the use of measures that can help to space or prevent the birth of children.

Q10: What are the factors considered in the Demographic Transition theory?
Ans: The factors considered in the Demographic Transition theory are economic, social, and cultural factors.

Short Answer Type Questions

Q1: Explain the impact of migration on the destination area.
Ans: Migration to destination areas leads to increased diversity, economic growth, and social and cultural changes. It also provides a labor force and can enhance innovation and creativity in the host society.

Q2: Describe the factors influencing population distribution based on geographical factors.
Ans: Geographical factors such as the availability of water, landforms, climate, and soil fertility influence population distribution. People prefer areas with fresh water, flat plains, comfortable climates, and fertile soils for settlement and agriculture.

Q3: Discuss the components of population change.
Ans: Population change is determined by births, deaths, and migration. The crude birth rate (CBR) and crude death rate (CDR) are important measures in demographic studies. Natural growth is births minus deaths, and actual growth includes migration.

Q4: Explain the reasons for implementing family planning measures.
Ans: Family planning helps limit population growth, reduce unintended pregnancies, and improve women's health. It prevents unsafe abortions, lowers maternal and infant mortality rates, and enables individuals to plan their families according to their resources and aspirations.

Q5: Discuss the impact of population growth exceeding available resources.
Ans: When the population surpasses available resources, it leads to resource depletion, scarcity, and increased competition for essential goods. This situation can result in poverty, environmental degradation, and social unrest.

Q6: Describe the stages of the Demographic Transition theory.
Ans: In the first stage, both birth and death rates are high due to epidemics and variable food supply. In the second stage, fertility remains high initially but gradually declines. In the last stage, both fertility and mortality rates decline, stabilizing or slowly growing the population.

Q7: Explain the role of industrialization in settlement patterns.
Ans: Industrialization creates job opportunities, attracting people to industrial regions. Better employment, education, medical facilities, and transportation make cities and industrial areas attractive for settlement.

Q8: Discuss the impact of population decline on society and resources.
Ans: Population decline indicates that resources previously supporting a certain population are no longer sufficient. It can lead to economic stagnation, reduced productivity, and strained social welfare systems. Additionally, it can result in labor shortages and a declining workforce, impacting economic growth.

Long Answer Type Questions

Q1: Explain the demographic transition theory and its relevance to different stages of economic and social development.
Ans: The Demographic Transition theory describes the transformation of a population from high birth and death rates to low rates as society progresses from rural to urban, agrarian to industrial, and illiterate to literate. In the first stage, both birth and death rates are high due to epidemics and variable food supply. In the second stage, fertility remains high initially, but with improved health and sanitation, mortality declines, leading to population growth. In the last stage, both fertility and mortality rates decline, stabilizing the population. Different countries are at different stages, influenced by economic, social, and cultural factors. Developed countries are typically in the later stages, with lower birth and death rates, while developing countries may be in the earlier stages, experiencing rapid population growth.

Q2: Discuss the impact of population growth on the environment and available resources.
Ans: Rapid population growth exerts pressure on resources and the environment. As the population increases, the demand for resources such as water, food, energy, and land rises. Overexploitation of resources can lead to depletion, environmental degradation, and loss of biodiversity. Additionally, increased pollution, deforestation, and greenhouse gas emissions contribute to climate change. Sustainable development practices are crucial to balance population growth and resource availability, ensuring a healthy environment for future generations.

Q3: Explain the role of family planning in population control and its benefits for individuals and society.
Ans: Family planning involves using measures to control the number and spacing of children. It plays a vital role in population control by empowering individuals to plan their families according to their resources and aspirations. Family planning services provide access to contraceptives, education, and healthcare, reducing unintended pregnancies, unsafe abortions, and maternal and infant mortality rates. It improves women's health, enables couples to invest in their children's education and well-being, and promotes economic stability. Societally, it eases the strain on resources, healthcare systems, and social services, contributing to a healthier and more prosperous society.

Q4: Discuss the challenges and opportunities associated with migration and its impact on both origin and destination areas.
Ans: Migration brings both challenges and opportunities to origin and destination areas. In origin areas, there may be a loss of skilled labor, brain drain, and cultural changes due to emigration. However, remittances from migrants can contribute to the local economy. In destination areas, migration can lead to increased diversity, economic growth, and cultural enrichment. Migrants often fill labor gaps, contribute to innovation, and enhance the workforce. However, challenges include social integration, strain on public services, and potential cultural conflicts. Governments need to develop effective migration policies to harness the benefits of migration while addressing its challenges, ensuring social cohesion and economic growth for both origin and destination areas.