IGCSE Development Studies: Specimen Questions with Answers 32 - 33 of 98
Passage
Question 32 (4 of 7 Based on Passage)
Explanation
S. No | Birth rate | Death rate |
1. | The number of live babies born in a year for every 1,000 people in the total population. | The number of people who die in a year for every 1,000 people in the total population. |
2. | Improvements in medical care for pregnant women have resulted in more births | Improvements in medical care has resulted in more longer lives |
3. | Family planning program put in place to control birth rates. | Death rate is affected by poverty and level of development |
4. | If birth rate is higher than the death rate the total population will increase | If death rate is higher than the birth rate the total population will decrease. |
5. | In developing countries birth rate is usually high | It is usually low in developing countries |
Question 33 (5 of 7 Based on Passage)
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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