The correct answer is option 2: B, C, and E only
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A. Dependency Ratio is a measure comparing the portion of a population composed of dependents with the portion in the working age group: This explanation is CORRECT. The dependency ratio (or age-dependency ratio) is a measure that compares the number of dependents (usually defined as those under 15 and over 64) to the total population of working age (typically 15-64).
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B. Infant mortality rate is the number of births of babies before the age of one year per 1000 live birth: This explanation is INCORRECT. The infant mortality rate (IMR) is the number of deaths of infants under one year of age per 1,000 live births in a given year. The statement incorrectly says "births of babies before the age of one year" instead of "deaths."
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C. Growth rate of population refer to the difference between the death and fertility rate: This explanation is INCORRECT. The natural growth rate of a population refers to the difference between the birth rate (not fertility rate, though related) and the death rate. Fertility rate is a measure of births per woman, while birth rate is births per 1,000 population. For overall population growth, migration also needs to be considered, but if we're talking about natural growth, it's birth rate minus death rate.
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D. Fertility rate refers to the number of live births per 1000 women in the child-bearing age group (15-49 years). This explanation is CORRECT. This is a standard definition for the General Fertility Rate (GFR), which measures the number of live births per 1,000 women of childbearing age (commonly 15-49 years).
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E. Age Structure of a population refers to the proportion of a specific age group to the average population: This explanation is INCORRECT. The age structure of a population refers to the proportion of different age groups (e.g., 0-14, 15-64, 65+) within the total population, not to the "average population." It's about the distribution of people across age cohorts in the entire population.
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