Q.1 Which demographic measure best captures the momentum of population growth even after fertility declines to replacement level?
Age-specific fertility rate distribution
Population age structure inertia effect
Crude birth rate stabilization index
Net migration equilibrium ratio
Explanation - Population momentum refers to continued growth due to a large proportion of individuals in reproductive age groups, even after fertility declines. This is driven by age structure inertia.
Correct answer is: Population age structure inertia effect
Q.2 In epidemiological-demographic transition theory, which stage is most associated with simultaneous decline in fertility and mortality rates?
Pre-transition high stationary stage
Early expanding transition stage
Late expanding transition stage
Post-transition low stationary stage
Explanation - The late expanding stage is characterized by declining fertility following earlier mortality decline, leading to slower population growth.
Correct answer is: Late expanding transition stage
Q.3 Which index is most appropriate for measuring age structural dependency in a rapidly aging population?
Total fertility rate ratio
Old-age dependency ratio
Crude death rate index
Life expectancy coefficient
Explanation - Old-age dependency ratio measures the proportion of elderly population relative to working-age population, critical in aging societies.
Correct answer is: Old-age dependency ratio
Q.4 What is the primary limitation of using crude birth rate in comparative population studies across regions?
It ignores sex ratio differences
It is unaffected by migration flows
It is sensitive to age structure variations
It overestimates infant mortality effects
Explanation - Crude birth rate does not adjust for age distribution, making cross-population comparisons misleading.
Correct answer is: It is sensitive to age structure variations
Q.5 Which statistical model is most commonly used for projecting population under varying fertility and mortality assumptions?
Cohort-component projection model
Linear regression extrapolation model
Markov chain random walk model
Logarithmic decay projection model
Explanation - The cohort-component model projects population by age, sex, fertility, mortality, and migration components.
Correct answer is: Cohort-component projection model
Q.6 Which concept best explains urban population concentration due to rural-to-urban migration in developing economies?
Demographic absorption effect
Urban primacy phenomenon
Spatial fertility convergence
Migration equilibrium shift
Explanation - Urban primacy describes dominance of a single major city due to migration and economic concentration.
Correct answer is: Urban primacy phenomenon
Q.7 Which factor most directly contributes to population aging in advanced demographic transitions?
Increased crude birth rates
Declining life expectancy at birth
Sustained low fertility rates
High infant mortality persistence
Explanation - Low fertility reduces youth population share, increasing proportion of older individuals over time.
Correct answer is: Sustained low fertility rates
Q.8 In population ecology, what does carrying capacity refer to in human demographic systems?
Maximum sustainable population size
Annual fertility replacement threshold
Net migration absorption limit
Urban infrastructure saturation point
Explanation - Carrying capacity is the maximum population an environment can sustain indefinitely given resources.
Correct answer is: Maximum sustainable population size
Q.9 Which measure best reflects fertility behavior independent of age structure distortions?
Crude birth rate
General fertility rate
Total fertility rate
Child-woman ratio
Explanation - TFR estimates average number of children per woman, independent of age distribution.
Correct answer is: Total fertility rate
Q.10 What is the primary demographic consequence of a sustained negative net migration rate?
Increase in dependency ratio
Acceleration of population aging
Rise in fertility replacement level
Stabilization of age-sex pyramid
Explanation - Outmigration of younger cohorts increases proportion of older population, accelerating aging.
Correct answer is: Acceleration of population aging
Q.11 Which concept describes the lag between mortality decline and fertility decline in demographic transition?
Population trap hypothesis
Demographic inertia lag
Transition timing gap
Mortality-fertility divergence
Explanation - This gap results in rapid population growth when mortality falls before fertility adjusts.
Correct answer is: Mortality-fertility divergence
Q.12 Which indicator is most sensitive to short-term fluctuations in population health conditions?
Life expectancy at birth
Crude death rate
Infant mortality rate
Age-specific fertility rate
Explanation - Crude death rate can fluctuate with epidemics and short-term health crises more rapidly than other measures.
Correct answer is: Crude death rate
Q.13 Which theoretical approach links population growth with resource depletion and ecological limits?
Demographic transition theory
Malthusian population theory
Modernization theory
Structural functionalism
Explanation - Malthusian theory argues population grows faster than resources, leading to scarcity.
Correct answer is: Malthusian population theory
Q.14 What does sex ratio at birth primarily measure?
Male births per 100 female births
Female births per 1000 population
Male population share in fertility age
Gender mortality differential index
Explanation - It measures the number of male births per 100 female births, typically slightly male-biased naturally.
Correct answer is: Male births per 100 female births
Q.15 Which demographic tool is most suitable for analyzing population composition changes over time?
Lexis diagram
Gini coefficient curve
Lorenz distribution model
Pearson correlation matrix
Explanation - Lexis diagrams represent cohort and period effects in population over time.
Correct answer is: Lexis diagram
Q.16 What is the key assumption of stable population theory?
Constant migration and fertility rates
Zero population growth equilibrium
Fixed mortality and fertility rates
Dynamic economic equilibrium
Explanation - Stable population theory assumes constant fertility and mortality over time with no migration.
Correct answer is: Fixed mortality and fertility rates
Q.17 Which demographic measure best captures reproductive performance of a population cohort?
Net reproduction rate
Gross death rate
Population doubling time
Migration balance index
Explanation - NRR measures daughters a woman would have, accounting for mortality.
Correct answer is: Net reproduction rate
Q.18 Which phenomenon explains higher mortality risks among migrants shortly after relocation?
Healthy migrant effect reversal
Migration stress adaptation syndrome
Selection bias mortality shift
Urban exposure mortality gap
Explanation - Initially healthier migrants may experience stress and health decline after relocation.
Correct answer is: Healthy migrant effect reversal
Q.19 Which population policy approach focuses on voluntary fertility regulation rather than coercion?
Neo-Malthusian control policy
Eugenic population restriction
Family planning education strategy
Hard cap fertility enforcement
Explanation - Family planning emphasizes voluntary contraceptive use and education.
Correct answer is: Family planning education strategy
Q.20 Which indicator is most useful for comparing mortality conditions across populations with different age structures?
Age-adjusted death rate
Crude death rate
Infant mortality ratio
Birth cohort survival rate
Explanation - It removes age structure effects for fair comparison of mortality levels.
Correct answer is: Age-adjusted death rate
Q.21 What does replacement-level fertility typically approximate in developed populations?
1.5 children per woman
2.1 children per woman
2.5 children per woman
3.0 children per woman
Explanation - Replacement level is about 2.1 due to child mortality and sex ratio at birth.
Correct answer is: 2.1 children per woman
Q.22 Which concept describes the spatial concentration of population in specific regions within a country?
Population density gradient
Spatial clustering index
Demographic polarization
Regional agglomeration effect
Explanation - It measures how population clusters in particular geographic areas.
Correct answer is: Spatial clustering index
Q.23 Which factor most directly influences age-specific mortality rates?
Educational attainment distribution
Age structure of population
Economic growth rate
Migration inflow volume
Explanation - Mortality risk varies strongly by age, making age distribution crucial.
Correct answer is: Age structure of population
Q.24 Which demographic transition stage is characterized by low birth and low death rates?
Pre-transition stage
Early expansion stage
Late expansion stage
Post-transition stage
Explanation - Post-transition societies have stabilized low fertility and mortality rates.
Correct answer is: Post-transition stage
Q.25 Which measure best reflects the intensity of population aging in a society?
Median age of population
Crude birth rate decline
Total fertility rate increase
Youth dependency ratio
Explanation - Median age increases as population ages and is a direct indicator of aging intensity.
Correct answer is: Median age of population