Population and Census MCQs with Answers and Explanations

Question #121

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Which term describes the maximum population an environment can sustain?

A. Carrying capacity

B. Density

C. Urbanization

D. Literacy

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Correct Answer: Option A

Explanation:
Carrying capacity is the maximum population that available resources can sustainably support.

This question belongs to: Geography GK Population and Census

Question #122

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Which region is likely to experience the fastest urbanization?

A. Polar area

B. Uninhabited desert

C. Dense forest reserve

D. Industrializing region

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Correct Answer: Option D

Explanation:
Industrialization creates jobs and attracts migrants, accelerating urbanization.

This question belongs to: Geography GK Population and Census

Question #123

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Population density is highest when:

A. Many people occupy a small area

B. No one lives in an area

C. Population equals land area

D. Few people occupy a large area

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Correct Answer: Option A

Explanation:
High density occurs when a large number of people live within a limited area.

This question belongs to: Geography GK Population and Census

Question #124

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Which demographic indicator is most directly related to educational attainment?

A. Literacy rate

B. Death rate

C. Population density

D. Birth rate

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Correct Answer: Option A

Explanation:
Literacy rate measures the proportion of people who can read and write.

This question belongs to: Geography GK Population and Census

Question #125

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A balanced sex ratio suggests:

A. No births

B. No migration

C. No deaths

D. Relatively equal numbers of males and females

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Correct Answer: Option D

Explanation:
A balanced sex ratio indicates a relatively even distribution of males and females.

This question belongs to: Geography GK Population and Census

Question #126

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Which demographic process can lead to depopulation?

A. High outmigration

B. Improved healthcare

C. High immigration

D. High birth rates

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Correct Answer: Option A

Explanation:
Large-scale outmigration can reduce the population of an area.

This question belongs to: Geography GK Population and Census

Question #127

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The term 'demography' refers to the study of:

A. Ocean currents

B. Mountain formation

C. Weather systems

D. Population characteristics and dynamics

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Correct Answer: Option D

Explanation:
Demography is the scientific study of population size, composition, and change.

This question belongs to: Geography GK Population and Census

Question #128

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Which factor is most likely to increase life expectancy?

A. Improved medical care

B. War

C. Frequent epidemics

D. Poor nutrition

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Correct Answer: Option A

Explanation:
Medical advances reduce mortality and contribute to longer average lifespans.

This question belongs to: Geography GK Population and Census

Question #129

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Which type of migration occurs seasonally for employment?

A. International migration

B. Forced migration

C. Permanent migration

D. Seasonal migration

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Correct Answer: Option D

Explanation:
Seasonal migration involves temporary movement during particular seasons for work.

This question belongs to: Geography GK Population and Census

Question #130

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Which age structure is typical of developed countries?

A. Narrow base population pyramid

B. Triangular pyramid only

C. Very broad base pyramid

D. No pyramid

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Correct Answer: Option A

Explanation:
Developed countries often have lower birth rates, resulting in a narrower pyramid base.

This question belongs to: Geography GK Population and Census

Question #131

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Population data are important for determining:

A. Volcanic eruptions

B. Infrastructure requirements

C. Planetary motion

D. Ocean salinity

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Correct Answer: Option B

Explanation:
Population statistics help governments plan infrastructure and public services.

This question belongs to: Geography GK Population and Census

Question #132

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Which area generally has the lowest carrying capacity?

A. Fertile plain

B. Arid desert

C. River valley

D. Industrial region

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Correct Answer: Option B

Explanation:
Deserts have limited water and resources, reducing their capacity to support large populations.

This question belongs to: Geography GK Population and Census

Question #133

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What does population momentum refer to?

A. Immediate population decline

B. Continued growth despite declining fertility

C. Migration only

D. Population density

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Correct Answer: Option B

Explanation:
Population momentum occurs when a large youthful population continues to produce growth even after fertility declines.

This question belongs to: Geography GK Population and Census

Question #134

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Which factor is most responsible for declining death rates in many countries?

A. Improved sanitation and healthcare

B. Conflict

C. Urban congestion

D. Resource depletion

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Correct Answer: Option A

Explanation:
Healthcare improvements and sanitation have significantly reduced mortality rates.

This question belongs to: Geography GK Population and Census

Question #135

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Which demographic indicator helps evaluate population aging?

A. Density

B. Altitude

C. Rainfall

D. Median age

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Correct Answer: Option D

Explanation:
Median age indicates the age that divides a population into two equal halves and is useful for assessing aging.

This question belongs to: Geography GK Population and Census

Question #136

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Which type of census attempts to count every individual?

A. Market survey

B. Opinion poll

C. Sample survey

D. Complete enumeration

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Correct Answer: Option D

Explanation:
A census aims for complete enumeration, counting every individual in the population.

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Question #137

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Which factor is least likely to encourage population concentration?

A. Transport facilities

B. Fertile soil

C. Water scarcity

D. Employment opportunities

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Correct Answer: Option C

Explanation:
Water scarcity discourages settlement and reduces population concentration.

This question belongs to: Geography GK Population and Census

Question #138

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What is a major consequence of rapid urbanization?

A. Pressure on urban infrastructure

B. No economic activity

C. Reduced city population

D. Disappearance of services

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Correct Answer: Option A

Explanation:
Rapid urbanization can strain housing, transportation, sanitation, and other urban services.

This question belongs to: Geography GK Population and Census

Question #139

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Which demographic indicator is calculated using census population and births data?

A. Slope

B. Altitude

C. Latitude

D. Birth rate

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Correct Answer: Option D

Explanation:
Birth rate is calculated using the number of live births and total population.

This question belongs to: Geography GK Population and Census

Question #140

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Which factor contributes to population decline in a region?

A. High fertility

B. High emigration

C. High immigration

D. Improved healthcare

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Correct Answer: Option B

Explanation:
When many people leave an area, population size may decrease.

This question belongs to: Geography GK Population and Census

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