Human Population Dynamics Part 2
A city experiences 12 deaths for each thousand people. What is the death rate? a) 1.2% b) 12% c) 120% d) 0.12% e) 0.012%
A
Calculate the rate of natural increase (growth rate) if a country has a crude birth rate (CBR) of 14.7 and a crude death rate (CDR) of 8.2: a) 0.65% b) 0.065% c) 6.5% d) 65% e) not enough information to solve
A
Schuhlsville is an island of 5000 square miles off the coast of Jabooty. There are currently 250,000 inhabitants of the island. Last year there were 12,000 new children born and 10,000 people were recorded as deceased. What are the current birth and death rates? a) BR = 4.8% | DR = 4% b) BR = 4% | DR = 4.8% c) BR = 20.8% | DR = 25 d) BR = 4.8% | DR = 3.6% e) BR = 20.8% | DR = 25.3%
A
The current (2018) population of South Sudan is 13 million people and the current growth rate is 1%. What will the approximate population be in the year 2088 if the country continues to grow at its current rate? a) 26 million b) 39 million c) 52 million d) 78 million e) 104 million
A
If a population of 100,000 experiences 2,000 births, 1,600 deaths, 200 immigrants, and 100 emigrants in the course of one year, what is its annual percentage growth rate? a) .05% b) .5% c) 5% d) 1.01% e) 100.5%
B
Maryland has a total land area of just over 12,000 square miles and a population of approximately 6 million people. Calculate its population density: a) .002 people/sq. mile b) 500 people/sq. mile c) 50,000 people/sq. mile d) .2 people/sq. mile e) 500,000 people/sq. mile
B
What is the rate of natural increase if a country has a crude birth rate (CBR) of 12 per 1000 and a crude death rate (CDR) of 16 per 1000? a) 0.4% b) -0.4% c) -4% d) 4% e) 40%
B
What would happen to the population growth rate of a country that maintains a high crude birth rate of 38 but was able to reduce their crude death rate from 23 to 9? a) the grwoth rate would decrease from 2.9% to 1.5% b) the growth rate would increase from 1.5% to 2.9% c) the growth rate would be unaffected by this change d) the growth rate would be 2.4% e) not enough information to solve
B
A city of 20,000 people has 800 births. Calculate the birth rate (as a percent): a) .04% b) .4% c) 4% d) -0.4% e) -4%
C
Given a growth rate of -2%, how long will it take for a country to double its population? a) -35 years b) 35 years c) it will take 35 years for the population to be reduced by half d) it will take 200 years for the population to be reduced by half e) not determinable since the growth rate is negative
C
If a city of 20,000 people experiences 500 births, 20 deaths, 100 immigrants, and 80 emigrants in the course of a year, what is its annual percentage growth rate? a) 0.025% b) 0.25% c) 2.5% d) -0.025% e) -2.5%
C
Imagine a country that maintains a high crude birth rate of 38 but was able to reduce their crude death rate from 23 to 9. What would happen to the doubling time of this country? a) the doubling time would be unaffected by the change in growth rate b) the doubling time would be 29.2 years c) the doubling time would decrease from 25.9 years to 46.7 years d) the doubling time would increase from 25.9 years to 46.7 years e) not enough information to solve
C
In 2000 the population of a small country was 10 million people and the growth rate was estimated to be 1.4%. What will the approximate population be in the year 2100 if it continues to grow at that rate? a) 15 million b) 20 million c) 40 million d) 50 million e) 80 million
C
Schuhlsville is an island of 5000 square miles off the coast of Jabooty. There are currently 250,000 inhabitants of the island. Last year there were 12,000 new children born and 10,000 people were recorded as deceased. In how many years will the population of Schuhlsville double? a) 6.16 years b) 616 years c) 87.5 years d) 87.5 years to reduce by half e) 875 years
C
Schuhlsville is an island of 5000 square miles off the coast of Jabooty. There are currently 250,000 inhabitants of the island. Last year there were 12,000 new children born and 10,000 people were recorded as deceased. What is the current population density? a) .02 people per mi^2 b) 2 people per mi^2 c) 50 people per mi^2 d) 5000 people per mi^2 e) 50.4 people per mi^2
C
At the end of 2002, there were 1,284.5 million people living in China. China is the third largest country in the world with an area of 9.6 million square kilometers. What was the population density of China? a) 0.0075 people per square kilometer b) 0.75% c) 13381 people per square kilometer d) 133.81 people per square kilometer e) 133.81%
D
If the doubling time of a population is 46 years, what is the growth rate over this time period? a) 0.65% b) 6.5% c) 15.2% d) 1.52% e) 152%
D
If the population of a country grows at a rate of approximately 4 percent per year, the number of years required for the population to double is *closest* to: a) 3 years b) 6 years c) 12 years d) 18 years e) 36 years
D
A city of 80,000 people has 1600 deaths. Calculate the death rate (as a percent): a) .02% b) .2% c) 50% d) 500% e) 2%
E
Schuhlsville is an island of 5000 square miles off the coast of Jabooty. There are currently 250,000 inhabitants of the island. Last year there were 12,000 new children born and 10,000 people were recorded as deceased. What is the population growth rate? a) 11.36% b) 11.36 c) -0.8% d) -0.08% e) 0.8%
E