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：2024-12-21

問題と解答：全300問

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質問 1：
During food digestion, nutrients are broken down through mechanical and chemical processes. The mechanical phase of digestion begins when you take a bite of food. Food is then physically broken down into smaller particles so that digestive enzymes can act. Chemical digestion involves a change in the chemical nature of nutrients so that they can be broken down further and absorbed into the bloodstream.
Which digestive activity is an example of chemical digestion?
A. cutting and tearing the food by front teeth
B. churning the food in the stomach by the stomach muscles
C. grinding and chewing the food by back teeth
D. digestive enzymes breaking down complex molecules of protein
E. swallowing the food
正解：D

質問 2：
Geologists use the law of superposition to determine the relative age of a layer of sedimentary rock. The law of superposition states that each bed in a sequence of layered rock is younger than the bed below it and older than the bed above it. The diagram below shows several layers from a sedimentary rock that are in their original position since their deposition. Layer D was the last layer deposited.

Based on the information and diagram, which rock layer is the oldest?
A. D
B. C and D are the same age
C. A
D. B
E. C
正解：C

質問 3：
What is leaf A?

A. Cornus florida
B. Zea mays
C. Fagus grandifolia
D. Taxus canadensis
E. Cara ovata
正解：C

質問 4：
Based on the graph,

Which conclusion best describes the level of pollution during this period of time?
A. was highest in the springtime
B. increased significantly
C. increased only from year 8 to 9
D. remained about the same
E. decreased in the last 20 years
正解：B

質問 5：
Which conclusion is best supported by the graph? Exhibit:

Exhibit
A. The taller the tree, the bigger the diameter.
B. The shorter the tree, the bigger the diameter.
C. The tree's height and diameter are not related at all.
D. As a tree's height increases, its diameter increases, but only for the first year.
E. The taller the tree, the smaller the diameter.
正解：A

質問 6：
A food chain is a way of showing food relationships among a group of organisms that share an environment. The illustration at the left represents a freshwater food chain.

What is most likely to happen if the supply of large fish in a pond is reduced by extensive fishing?
A. Large fish begin to eat algae.
B. Small fish will get smaller.
C. Humans will eat more algae.
D. The population of small fish will increase.
E. The amount of algae will increase.
正解：D

質問 7：
A tsunami is an unusually large ocean wave, which is sometimes formed by earthquakes.
The height of a tsunami increases as it approaches shore. In the open ocean, tsunamis can travel at 300 to 400 miles per hour.
Based on this information, which statement must be true?
A. Tsunamis are sometimes found in small lakes.
B. Tsunamis have killed millions of people in this century.
C. The height of a tsunami located 100 miles offshore is low.
D. There are no known causes of tsunamis.
E. Tsunamis travel at 100 miles per hour.
正解：C

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GED Science 認定 GED-Science 試験問題:

1. Exhibit:

Iceland spar, a form of calcite, is transparent and colorless. It is used in some optical equipment such as special microscopes. Which characteristic describes Iceland spar?

A) a liquid at 70(degrees) F
B) a chalky powder
C) very pure
D) highly water-soluble
E) extremely toxic

2. To begin a fission reaction, a neutron is shot at high speed into the nucleus of an atom of Uranium-235. This process releases a large amount of energy contained within the nucleus. The diagram above illustrates this process as well as possible by-products.

Based on the diagram and information, which statement best describes the fission reaction shown?

A) The nucleus of Uranium-235 absorbs a neutron and gets bigger.
B) Three neutrons combine and release energy.
C) Two nuclei of Uranium-235 combine and release energy.
D) The nucleus of Uranium-235 splits into smaller nuclei and releases energy.
E) The nucleus of Uranium-235 absorbs energy and gets smaller.

3. Some recipes suggest that certain foods, such as sauces and frostings, be prepared in a double boiler, such as the one shown at the left.

Which statement best describes the advantage of using a double boiler?

A) Twice as much food can be cooked using half the amount of energy.
B) The food in the top pan will be cooked at a temperature several degrees higher than the boiling point of the water.
C) Less energy is required for the food to reach a boiling temperature than for the water to reach a boiling temperature.
D) As long as boiling water is in the bottom pan, the food will be cooked at the constant temperature of the boiling water.
E) The food in the top pan absorbs the heat energy from the water and keeps the temperature of both substances just below the freezing point of water.

4. Bubbles that form when the cap of a soft-drink bottle is removed are evidence of which of the following?

A) contains no sugar
B) was warm when it was bottled
C) has started to ferment
D) is not carbonated
E) was super saturated with carbon dioxide

5. When electricity passes through a wire, there is a resistance to the flow of current. This resistance causes wires or any other conductors of electricity to heat up. The chart below summarizes the relationship between wire diameter and length and the flow of electricity.
A heavy-duty extension cord is made of a thicker wire than a regular extension cord and is recommended for appliances that draw considerable current, such as air conditioners and power tools.

Which situation would most likely occur if a regular extension cord were substituted for a heavy-duty cord?

A) overheat and become a fire hazard
B) break while in use
C) not allow electric current to pass through it
D) not work well in indoor conditions
E) become too cold and freeze

質問と回答：

質問 # 1
正解： C

質問 # 2
正解： D

質問 # 3
正解： D

質問 # 4
正解： E

質問 # 5
正解： A