IGCSE Development Studies: Specimen Questions with Answers 32 - 33 of 98

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Passage

High Death Rate

Question 32 (4 of 7 Based on Passage)

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Explain the following:

Gross reproduction rate

Explanation

The fertility rate is not able to find out the rate of growth of population and mortality. The fertility rate is not able to provide the actual idea of the rate of population because they ignore the sex of newly born children and their mortality.

Gross reproduction rate measures the rate at which a new born female would. It shows the rate of at which mother՚s would be replaced by daughters and old generation by the new. If no mother died or migrated before reaching the upper limit of child bearing age i.e.. 15 - 49.

Question 33 (5 of 7 Based on Passage)

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What is birth rate minus death rate?

Explanation

Birth rate minus death rate is the rate of natural increase. The rate of natural increase in population is the difference between the number of live births and the number of deaths occurring in a year, divided by the mid-year population of that year multiplied by a factor.

  • Rate of natural increase is equal to the difference between the crude birth rate and crude death rate which measures the effect of migration on change in population. Rate of natural increase is calculated in percentage form.
  • Example, if birth rate is 15 per 1,000 population and the mortality rate is 5 per 1,000 population, then the natural increase in population will be calculated by,

That is

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