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Question 1:

What is a population pyramid?

A) A graphical representation of population growth over time
B) A tool used to predict future population trends
C) A visual representation of the age and sex distribution in a population
D) A measure of population density

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Explanation: The correct answer is C) A visual representation of the age and sex distribution in a population. A population pyramid is a graphical representation that shows the age and sex distribution of a population. It typically consists of two bar charts, one representing males and the other representing females, with the age groups plotted along the horizontal axis and the population size or percentage along the vertical axis.

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Question 2:

What does a pyramid-shaped population pyramid indicate?

A) An aging population with a low birth rate
B) A population with a high birth rate and high death rate
C) A population with a high proportion of young individuals
D) A stable population with equal proportions across all age groups

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Explanation: The correct answer is C) A population with a high proportion of young individuals. A pyramid-shaped population pyramid indicates a population with a high proportion of young individuals and a relatively low proportion of older individuals. This pattern is often associated with high birth rates and rapid population growth.

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Question 3:

What does an inverted pyramid-shaped population pyramid indicate?

A) A declining population with a low birth rate
B) A population with a high birth rate and high death rate
C) A population with a high proportion of older individuals
D) A stable population with equal proportions across all age groups

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Explanation: The correct answer is C) A population with a high proportion of older individuals. An inverted pyramid-shaped population pyramid indicates a population with a high proportion of older individuals and a relatively low proportion of young individuals. This pattern is often associated with low birth rates, low death rates, and a declining population.

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Question 4:

What does a rectangular-shaped population pyramid indicate?

A) A stable population with equal proportions across all age groups
B) A population with a high birth rate and high death rate
C) A population with a high proportion of younger and middle-aged individuals
D) A declining population with a low birth rate

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Explanation: The correct answer is A) A stable population with equal proportions across all age groups. A rectangular-shaped population pyramid indicates a population with relatively equal proportions across all age groups. This pattern is often associated with a stable population where the birth rate is roughly equal to the death rate.

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Question 5:

What can be inferred from a population pyramid with a narrow base and wide top?

A) A population with a high proportion of younger individuals
B) A population with a high proportion of older individuals
C) A declining population with a low birth rate
D) A stable population with equal proportions across all age groups

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Explanation: The correct answer is B) A population with a high proportion of older individuals. A population pyramid with a narrow base and a wide top indicates a population with a high proportion of older individuals and a relatively low proportion of younger individuals. This pattern is often associated with a declining population and a low birth rate compared to the death rate.