GED Geography Practice Questions, Set 2

This is set 2 of 2 for GED Geography, with 16 practice questions that are not part of any full practice test. If a question type feels unfamiliar, review the Geography study guide first, then check each answer below.

Question 1 of 16

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The Ogallala Aquifer lies under parts of eight Great Plains states. Farmers pump its groundwater to irrigate corn, wheat, and cotton. In many areas, water is pumped out much faster than rain and snow can refill it, and water levels in wells have dropped sharply. What long-term problem does this create for the region?

Geography practice set 2: 16 questions with answers

Work each question on paper first, then open the answer to check your reasoning.

  1. 1.The Ogallala Aquifer lies under parts of eight Great Plains states. Farmers pump its groundwater to irrigate corn, wheat, and cotton. In many areas, water is pumped out much faster than rain and snow can refill it, and water levels in wells have dropped sharply. What long-term problem does this create for the region?

    1. A.Floods will grow more common there
    2. B.Crops will need less water as wells get deeper
    3. C.Farms may run short of water for irrigation
    4. D.Rainfall will rise to replace the pumped water
    Show answer

    Answer: C. Farms may run short of water for irrigation

    When groundwater is used faster than it is replaced, wells can run dry, threatening the irrigated farming the region depends on. Pumping does not change the amount of rain that falls.

  1. 2.A country earns about 70 percent of its export income from selling crude oil. It imports most of its food and manufactured goods. What is the main economic risk of depending so heavily on one resource?

    1. A.A drop in world oil prices could sharply cut its income
    2. B.Its oil will become renewable if it is used too slowly
    3. C.It will be unable to import any goods from other nations
    4. D.Its food prices will fall whenever oil prices rise
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    Answer: A. A drop in world oil prices could sharply cut its income

    When most export earnings come from one product, a fall in that product’s price can cause a large drop in national income. Oil is a nonrenewable resource, so it does not become renewable at any rate of use.

  1. 3.Quito, Ecuador, lies almost on the equator, yet its average temperature is about 58°F in every month. The city sits about 9,300 feet above sea level. Coastal cities in Ecuador at the same latitude average about 78°F. What best explains Quito’s mild temperatures?

    1. A.Its high elevation, since air gets cooler at higher altitude
    2. B.Its distance from the equator, which brings cold winters
    3. C.Cold ocean currents that flow through the city every year
    4. D.Its location in the Southern Hemisphere far from the sun
    Show answer

    Answer: A. Its high elevation, since air gets cooler at higher altitude

    Temperature drops as elevation rises, so a city 9,300 feet up stays cool even at the equator, while coastal cities at the same latitude are much warmer. The passage says Quito is almost on the equator, so distance from it is not the reason.

  1. 4.A thematic map shades each county in a state by its unemployment rate. Rural Hill County is shaded darkest, with a rate of 12%. Urban Metro County is shaded lightly, with a rate of 4%. Hill County has 20,000 workers in its labor force, and Metro County has 900,000. Which conclusion is supported by this information?

    1. A.Hill County has more unemployed people than Metro County
    2. B.Metro County has more unemployed people than Hill County
    3. C.The two counties have the same number of unemployed people
    4. D.The map shows the number of unemployed people in each county
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    Answer: B. Metro County has more unemployed people than Hill County

    Hill County has 0.12 × 20,000 = 2,400 unemployed people, while Metro County has 0.04 × 900,000 = 36,000. The map shows rates, not counts, so dark shading does not mean more unemployed people.

  1. 5.On a flat world map, a flight from New York to London appears to curve far to the north over Canada and the North Atlantic instead of following a straight line across the map. Airlines choose this route because it is the shortest path on the round Earth. What is this kind of route called?

    1. A.A prime meridian route
    2. B.A latitude line route
    3. C.A great-circle route
    4. D.A trade wind route
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    Answer: C. A great-circle route

    A great circle is the shortest path between two points on a sphere, and it looks curved on most flat maps. Following a single line of latitude would look straight on the map but would actually be longer.

  1. 6.The Mississippi River drainage basin covers all or part of more than 30 states. Rain that falls in places as far apart as Montana, Pennsylvania, and Oklahoma can end up in the Gulf of Mexico. Why might geographers treat this basin as a single region?

    1. A.All the water in it drains to the same river system
    2. B.Every state in it has the same climate and crops
    3. C.Everyone living in it speaks the same language
    4. D.All the states in it share one state government
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    Answer: A. All the water in it drains to the same river system

    A drainage basin is a region defined by a shared physical feature: all its water flows to one river system. The basin covers states with very different climates, so a common climate does not explain it.

  1. 7.In 1965, Congress created the Appalachian Regional Commission to fund roads, schools, and health care in a mountain region stretching from southern New York to northern Mississippi. Parts of the region depended heavily on coal mining and had higher poverty rates than the nation as a whole. Which two traits did the government use to define this region?

    1. A.Shared desert climate and dependence on cattle
    2. B.Shared language and a single state government
    3. C.Shared coastline and an economy based on fishing
    4. D.Shared mountain landscape and shared economic problems
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    Answer: D. Shared mountain landscape and shared economic problems

    Appalachia is defined by its mountains and by economic conditions such as reliance on coal and high poverty. The region spans many states, so it does not share a single state government.

  1. 8.On a trail map, the scale is 1 centimeter = 5 kilometers. A bike route measures 9 centimeters on the map. A cyclist rides at an average speed of 15 kilometers per hour. About how long will the ride take?

    1. A.9 hours
    2. B.1.5 hours
    3. C.4.5 hours
    4. D.3 hours
    Show answer

    Answer: D. 3 hours

    The route is 9 × 5 = 45 kilometers, and 45 ÷ 15 = 3 hours. The 9-hour answer treats each centimeter on the map as one hour, skipping the scale conversion.

  1. 9.A map of the United States shows each state resized according to its number of electoral votes. California and Texas look huge, while large states with few people, such as Montana and Wyoming, look tiny. What type of map is this?

    1. A.A relief map
    2. B.A cartogram
    3. C.A road atlas
    4. D.A contour map
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    Answer: B. A cartogram

    A cartogram changes the size of places to show a value, here electoral votes, instead of land area. A relief map shows the shape of the land, so Montana’s mountains would appear at their true size.

  1. 10.About a quarter of the Netherlands lies below sea level. Over centuries, the Dutch built dikes around shallow lakes and coastal waters, then pumped the water out, first with windmills and later with electric pumps. The dried land, called polders, is now used for farms and cities. What does this example best show?

    1. A.The sea level near the Netherlands has fallen sharply
    2. B.People can change their environment to create usable land
    3. C.Windmills were used mainly to grind grain in polders
    4. D.Low-lying land must be left empty because it floods
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    Answer: B. People can change their environment to create usable land

    Building dikes and pumping out water turned sea and lake beds into farmland, a clear case of people reshaping their environment. The passage says the land is now used for farms and cities, so it was not left empty.

  1. 11.Many countries have passed through stages of population change: Stage 1: high birth rate, high death rate, slow growth Stage 2: high birth rate, falling death rate, rapid growth Stage 3: falling birth rate, low death rate, slowing growth Stage 4: low birth rate, low death rate, slow growth A country has improved its clean water and vaccines, so far fewer children die, but families are still large. Which stage best fits?

    1. A.Stage 1
    2. B.Stage 4
    3. C.Stage 2
    4. D.Stage 3
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    Answer: C. Stage 2

    Better water and vaccines lower the death rate while the birth rate stays high, the pattern of Stage 2, when growth is fastest. In Stage 3 the birth rate is also falling, but here families are still large.

  1. 12.A state energy report lists its sources of electricity: coal, natural gas, wind, solar, and hydroelectric dams. Which of these are renewable resources?

    1. A.Coal, natural gas, and wind
    2. B.Coal and natural gas only
    3. C.Natural gas, solar power, and coal
    4. D.Wind, solar, and hydroelectric
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    Answer: D. Wind, solar, and hydroelectric

    Wind, sunlight, and flowing water are naturally replaced, so they are renewable. Coal and natural gas are fossil fuels that take millions of years to form, so they are nonrenewable.

  1. 13.A climate description: Winters are long and extremely cold. Summers last only a few weeks, with average temperatures below 50°F. The ground beneath the surface stays frozen all year, so trees cannot grow, and the land is covered with mosses, grasses, and small shrubs. Where is this climate found?

    1. A.Along the equator in the Amazon River basin
    2. B.In the Sahara Desert of northern Africa
    3. C.Along the Mediterranean coast of Europe
    4. D.Far northern Alaska, Canada, and Siberia
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    Answer: D. Far northern Alaska, Canada, and Siberia

    Permanently frozen ground (permafrost), a short cool summer, and no trees describe the tundra of the far north. The Amazon is hot and wet all year, the opposite of this description.

  1. 14.A climate chart for a city in southern Africa shows warm temperatures all year. Most of the year’s rain falls from November to April, and from May to October there is almost none. Tall grasses with scattered trees cover the surrounding land. Which climate zone does this describe?

    1. A.Mediterranean, with dry summers and wet winters
    2. B.Tundra, with frozen ground all year
    3. C.Tropical savanna, with wet and dry seasons
    4. D.Tropical rainforest, with rain all year
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    Answer: C. Tropical savanna, with wet and dry seasons

    Warm temperatures, a long dry season, and grassland with scattered trees mark a tropical savanna. In southern Africa, November to April is summer, so this city has wet summers, the reverse of a Mediterranean climate.

  1. 15.A small country trains many doctors and nurses at its public universities. Each year, a large share of them move to wealthier countries where pay is several times higher. Rural clinics at home struggle to fill jobs. What is this pattern called?

    1. A.A baby boom
    2. B.A brain drain
    3. C.Chain migration
    4. D.Urban renewal
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    Answer: B. A brain drain

    A brain drain is the loss of highly trained workers who emigrate for better pay or opportunities, leaving shortages at home. Chain migration describes relatives following earlier migrants, which the passage does not mention.

  1. 16.A county map has a scale of 1:63,360. There are 63,360 inches in one mile. A bike path measures 2.5 inches on the map. How long is the bike path?

    1. A.2.5 miles
    2. B.25 miles
    3. C.6.3 miles
    4. D.0.25 miles
    Show answer

    Answer: A. 2.5 miles

    At 1:63,360, each map inch stands for 63,360 inches, or exactly 1 mile, so 2.5 inches equals 2.5 miles. Choosing 25 miles comes from a decimal slip.

More practice sets

Geography has 2 practice sets. None of these questions appear in the full practice tests.