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Exam Code: GED-ReadingExam Name: GED Reasoning Through Language Arts (Language Arts - Reading)
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GED-Reading Exam Cost Total Q&A: 240 Questions and Answers
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Exam Code: GED-ScienceExam Name: GED Science Exam
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Exam Code: GED-MathematicsExam Name: GED Mathematical Reasoning Exam (Mathematics)
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NO.1 The pancreas regulates blood sugar level through two hormones: insulin and glucagon. When
the blood sugar level is high, the pancreas releases insulin, which lowers the sugar level in the blood.
When the blood sugar level is low, the pancreas releases glucagon, which causes the cells to release
sugar.
Why do people who are diabetics have a high blood sugar level?
A. They eat too much food with sugar.
B. Their cells do not use sugar.
C. Their pancreas does not release enough insulin.
D. Their pancreas does not release enough glucagon.
E. They do not eat enough food with sugar.
Answer: C
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NO.2 The greenhouse effect explains why a car's interior can get hot on a sunny day even if it is cool
outside. The glass windows allow the Sun's rays to pass through to the interior but
prevent heat rays from escaping to the outside. Certain gases, such as carbon dioxide and nitrous
oxide, act like the glass in a greenhouse when they are present in the atmosphere.
Both natural and human activities lead to the release of gases that contribute to the greenhouse
effect. During recent summers, forest fires have contributed to the loss of millions of acres of forest.
These fires have resulted in the release of smoke and ash as well as greenhouse gases.
Based on the information, which statement most likely predicts the result of ongoing widespread
forest fires?
A. Forest fires are unlikely to affect atmospheric temperature.
B. Forest fires decrease the amount of atmospheric greenhouse gases.
C. Greenhouse gases could help form new animal species.
D. There could be a gradual increase in average atmospheric temperatures.
E. There could be a gradual decrease in average atmospheric temperatures.
Answer: D
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NO.3 Cholera is a disease caused by a bacterium that is transmitted by water, shellfish, and raw
vegetables. The major symptom is severe diarrhea. Epidemics of cholera in the Americas, common in
the 19th century, are much less frequent now with the advent of modern medicine and improved
methods of hygiene.
However, in 1991, the number of cholera epidemics increased again in one South American country,
causing over 4000 deaths.
The high number of cases of cholera in the South American country noted above was most probably
due to which factor?
A. prolonged smoking of cigarettes
B. lack of variety in foods
C. poor water and sewage treatment
D. eating the wrong kinds of foods
E. widespread overuse of antibiotics
Answer: C
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NO.4 A cell, the basic unit of living things, contains microscopic structures called organelles. A group
of specialized cells of the same type forms a tissue, such as muscle or nerve tissue. An organ such as
the liver is composed of different kinds of tissues that contribute to its overall function. A group of
related organs form an organ system, such as the digestive system. A living organism may contain a
number of organ systems working together to carry on the life functions.
Based on the information, in which category does the human heart belong?
A. cell
B. tissue
C. organ
D. organ system
E. organelle
Answer: C
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NO.5 Based on the information, where would one find wispy, feathery clouds?
A. at Earth's surface
B. high in the atmosphere
C. below an altitude of 2000 meters
D. low in the atmosphere
E. close to Earth as well as high in the atmosphere
Answer: B
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NO.6 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 mouse made more errors after completing several runs through the maze.
B. The mouse made the same number of errors during each run through the maze.
C. The mouse reduced the number of errors made during the six 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 number of errors that the mouse made varied erratically during the six runs through the maze.
Answer: C
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NO.7 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. grinding and chewing the food by back teeth
C. churning the food in the stomach by the stomach muscles
D. swallowing the food
E. digestive enzymes breaking down complex molecules of protein
Answer: E
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NO.8 The following symbols represent a shortcut for representing an element. For example, O
stands for oxygen, H for hydrogen, and C for carbon. H2O is the formula for water. The subscript 2 in
the formula indicates that there are two atoms of hydrogen in a water molecule. If there is no
subscript after a symbol, the subscript is assumed to be one. Therefore, one molecule of water
contains three atoms: two hydrogen atoms and one oxygen atom.
Based on the information, how many atoms are represented in C12H22O11?
A. 3
B. 11
C. 12
D. 22
E. 45
Answer: E
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