GED-Scienceの無料問題集（300題）、GED-Science認定試験参考書

GED GED-Science 問題集

試験コード：GED-Science

試験名称：GED Science Exam

最近更新時間：2025-07-13

問題と解答：全300問

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質問 1：
Mai Ling's lunch consists of a tuna fish sandwich on whole wheat bread with lettuce, a glass of milk, and carrot sticks.

According to the table at the left, which nutrient is missing?
A. vitamin A
B. protein
C. B vitamins
D. vitamin C
E. carbohydrates
正解：D

質問 2：
A limiting factor is a condition in the environment that may prevent an increase in the size of the population.
Which condition is least likely to be a limiting factor?
A. food supply
B. disease
C. wind
D. drought
E. predators
正解：C

質問 3：
The formation of a large lake in a cold northern climate was the result of a massive piece of ice scraping out a huge depression in the ground.
Which process best explains this change?
A. erosion
B. sedimentation
C. evaporation
D. glaciation
E. subsidence
正解：D
解説: (Topexam メンバーにのみ表示されます)

質問 4：
In the food web shown below, the arrows show the flow of energy through an ecosystem. Each arrow points from a given plant or animal to a second animal; the animal that the arrow points to would get its energy by eating the first plant or animal.
For example, the field mouse is a typical herbivore.

Which statement about herbivores is most accurate?
A. Mice, shrubs, and hawks are typical herbivores.
B. Herbivores eat both plants and animals.
C. Herbivores get their energy from dead snakes and hawks.
D. Herbivores are meat eaters.
E. Herbivores are plant eaters.
正解：E

質問 5：
Sonar is a tool that uses high-frequency ultrasonic waves for sound navigation and ranging. When this system is used, high-frequency ultrasonic waves are sent out, bouncing off objects and reflecting back to their source. This reflected sound is called an echo. The time taken for each emitted sound to return gives information as to how far away the object is.
From the information given, which of the following would be LEAST LIKELY to use sonar?
A. a honeybee collecting pollen
B. a dolphin navigating underwater
C. a submerged submarine looking for enemy ships
D. a bat flying at night looking for food
E. a fishing ship looking for schools of fish
正解：A

質問 6：
In the past, British sailors ate limes on long ocean voyages to prevent scurvy. Before the inclusion of limes in their diets, many sailors died from internal bleeding because they lacked vitamin C.
Since vitamin C cannot be manufactured by the human body, it must be taken as part of one's diet. Citrus fruits are a major source of vitamin C.
Based on the information, which statement is most accurate?
A. Oranges cannot be substituted for limes in diets.
B. People develop scurvy on one-week ocean cruises.
C. Hemorrhaging of blood vessels in the body can be caused by a lack of vitamin C.
D. Limes must be easily grown in Great Britain.
E. Great Britain became a naval power because of oranges.
正解：C

質問 7：
-- Exhibit -
The carbon cycle is illustrated above. Two of the essential processes involved are photosynthesis in green plants and algae and respiration by almost all organisms. Respiration, as well as burning and other natural decomposition (breakdown) processes, contributes to the amount of CO2 in the air and soil. Photosynthesis uses up CO2 and produces O2, which, in turn, is used up in respiration and the burning of fossil fuels such as coal, oil, and gas.

-- Exhibit -
Based on the information and diagram, which process is most likely to increase the amount of CO2 in the atmosphere?
A. doubling the amount of burning of fossil fuels
B. planting more trees
C. continued experimentation with the potential uses of solar energy
D. reducing the number of cars in use
E. increasing the amount of vegetables and fruit in the human diet
正解：A

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GED Science 認定 GED-Science 試験問題:

1. A loud sound, such as from a radio at a high volume, can be "deadened" more by hanging a heavy drape between the radio and the listener than by using a sheet of plywood.

Based on the information, which statement would justify this conclusion?

A) Plywood is harder to hang than drape.
B) The radio is playing louder than it should.
C) The drape absorbs more sound than the plywood does.
D) The plywood absorbs more sound than the drape does.
E) Sound waves would not reach the drape.

2. -- Exhibit-

-- Exhibit -
Nancy and Sophia are studying weather in science class. Nancy tells Sophia that warm air ismore dense than cold air.
Which of the following statements proves that Nancy's belief is false?

A) Cold, dry air pushes clouds past a front.
B) Cool, dry air can move around warm, moist air.
C) Precipitation forms where cold and warm air masses meet.
D) A warm air mass cannot form clouds.
E) A cold air mass can push a warm air mass upward.

3. A scientist uses a laboratory mouse to complete an experiment involving a maze. During each trial, the mouse runs through the maze, and the scientist counts the number of errors that the mouse makes before it reaches the end of the maze. The mouse goes through the maze a total of six times. The scientist's data are shown in the table at the left.

Based on the information and graph, which statement is the best interpretation?

A) The number of errors that the mouse made varied erratically during the six runs through the maze.
B) The mouse reduced the number of errors made during the six runs through the maze.
C) The mouse made more errors after completing several runs through the maze.
D) The number of errors that the mouse made decreased an equal amount during each subsequent run through the maze.
E) The mouse made the same number of errors during each run through the maze.

4. What is the underlying principle behind the operation of a jet engine? Exhibit:

Exhibit:

A) Minimizing the friction in the engine increases velocity.
B) An electric heater is used to form hot gases.
C) The engine allows the plane a cruising velocity faster than the speed of sound.
D) The engine burns air from the exhaust to decelerate the plane.
E) Shooting a jet of gases backward thrusts the plane forward.

5. All kerosene stoves produce carbon monoxide and carbon dioxide gases as by-products of combustion. Both gases are dangerous to human beings.
When using a kerosene stove, which action provides the best protection against these harmful gases?

A) keeping a fire extinguisher near the stove
B) using only the correct grade of kerosene
C) locating the stove far from walls and furniture
D) circulating air around the room with a fan
E) keeping the room well ventilated

質問と回答：

質問 # 1
正解： C

質問 # 2
正解： E

質問 # 3
正解： B

質問 # 4
正解： E

質問 # 5
正解： E