GED Science Practice Tests

Practice Test 1
Practice Test 2
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Practice Test 4

GED Science Practice Test 4

This is our fourth and final free GED Science practice test. It features 10 additional multiple-choice questions covering a variety of scientific topics. These questions emphasize interpreting data, evaluating experiments, and drawing evidence-based conclusions. Use this last test to complete your GED Science practice and strengthen your exam readiness.

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Question 1 of 10

1. Question

Humans can breed plants and animals to have useful traits. By selecting which animals are allowed to reproduce, humans can influence an organism’s genotype. What name did Darwin give to this kind of change in organisms?

natural selection
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artificial selection
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survival of the fittest
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hybridism
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Question 2 of 10

2. Question

Which of the following is true about the frog?

It is a member of the salamandridae family.
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It is a type of amphibian.
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It is a non-vertebrate.
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It is closer to most tetrapods than most newts.
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Question 3 of 10

3. Question

Which statement can be inferred about amphibians?

All amphibians are salamandridae, but not all salamandridae are amphibians.
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Some amphibians are vertebrates, but not all amphibians are vertebrates.
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Some salamandridae are amphibians, but not all amphibians are tetrapods.
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All amphibians are vertebrates, but not all vertebrates are amphibians.
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Question 4 of 10

4. Question

Bike Race Data

Racer Distance (m) Time (s)

1 1550 102

2 1550 110

3 1600 116

4 1600 125

5 1600 114

6 1600 144

velocity (m/s) = distance (m) / time (s)

What is the median time, in seconds, of the 6 bicycle racers?

114
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115
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116
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118.5
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Question 5 of 10

5. Question

What process is illustrated in the diagram above?

codification
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mutation
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mitosis
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meiosis
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Question 6 of 10

6. Question

In July 1957, members of a field party from the University of Kansas Natural History Museum, under the direction of Sydney Anderson, spent 12 days collecting vertebrates in the vicinity of Creel in southwestern Chihuahua. Among the specimens were two snakes representing an undescribed species of the genus Geophis. The discovery of a new Geophis species in southern Chihuahua increased the number of species in the genus known to occur in Mexico to 21 and extended the range of the genus by over 500 miles. Geophis aquilonaris is different from all other Mexican representatives of the genus because it has numerous, alternating pale and dark bands on the body and tail. Both sets of bands are in the form of complete rings, or the dark bands are joined ventrally rendering the belly dark.

Which sentence from the paragraph supports the idea that species in the same genus can have unique characteristics?

“In July, 1957, members of a field party from the University of Kansas Natural History Museum, under the direction of Sydney Anderson, spent 12 days collecting vertebrates in the vicinity of Creel in southwestern Chihuahua.”
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“Among the specimens were two snakes representing an undescribed species of the genus Geophis.”
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“The discovery of a new Geophis species in southern Chihuahua increased the number of species in the genus known to occur in Mexico to 21 and extended the range of the genus by over 500 miles.“
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“Geophis aquilonaris is different from all other Mexican representatives of the genus because it has numerous, alternating pale and dark bands on the body and tail.”
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Question 7 of 10

7. Question

There are two types of planets in the solar system: Terrestrial and Jovian. Terrestrial planets are also called inner planets or rocky planets. They are smaller in size, higher in density, made mostly of rock and metal, closest to the sun, and have few moons and no rings. Jovian planets are also known as the outer gas giants. They are larger in size, lower in density, made mostly of gasses, further from the sun, and often have ring systems and many moons. There is also a sub classification of outer gas giants known as ice giants. Ice giants are smaller in size, smaller in mass, have lower amounts of gasses, and more rock and ice. Neptune and Uranus are ice giants.

What can be inferred from this passage about the differences between Neptune and Saturn?

Saturn is smaller than Neptune.
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Saturn is rockier than Neptune.
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Neptune is icier than Saturn.
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Neptune has more moons than Saturn.
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Question 8 of 10

8. Question

What percentage of total energy consumption is produced by biofuels?

1.89%
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2.1%
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18.9%
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21%
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Question 9 of 10

9. Question

Information about the composition of ocean water is listed in the table below.

Composition of Ocean Water
Element	Percent of Ocean Water
Oxygen	85.7000
Hydrogen	10.8000
Chlorine	1.9000
Sodium	1.0500
Magnesium	0.1350
Sulfur	0.0885
Calcium	0.0400
Potassium	0.0380
Bromine	0.0065
Carbon	0.0026

Which statement is supported by the data in this table?

There is more potassium in ocean water than magnesium.

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If bromine was more highly concentrated, then it could be extracted for use in disinfectants.

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There is more chlorine in ocean water than sodium and sulfur combined.

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Carbon plays a small, but important role in the ecosystem of the ocean.

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Question 10 of 10

10. Question

The birds in the picture below are able to pick out food from the fur of the deer. The deer will not attack the birds. In fact, the deer knowingly lets the birds rest on it.

What is the name describing the relationship between the birds and the deer?

Symbiosis
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Adaptation
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Competition
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Homeostasis
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Next: GED Social Studies Practice Tests

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Bike Race Data
Racer	Distance (m)	Time (s)
1	1550	102
2	1550	110
3	1600	116
4	1600	125
5	1600	114
6	1600	144

GED Science Practice Tests

GED Science Practice Test 4

Quiz Summary

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Results

Results

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1. Question

Humans can breed plants and animals to have useful traits. By selecting which animals are allowed to reproduce, humans can influence an organism’s genotype. What name did Darwin give to this kind of change in organisms?

2. Question

Which of the following is true about the frog?

3. Question

Which statement can be inferred about amphibians?

4. Question

What is the median time, in seconds, of the 6 bicycle racers?

5. Question

What process is illustrated in the diagram above?

6. Question

Which sentence from the paragraph supports the idea that species in the same genus can have unique characteristics?

7. Question

What can be inferred from this passage about the differences between Neptune and Saturn?

8. Question

What percentage of total energy consumption is produced by biofuels?

9. Question

Information about the composition of ocean water is listed in the table below.

Which statement is supported by the data in this table?

10. Question

The birds in the picture below are able to pick out food from the fur of the deer. The deer will not attack the birds. In fact, the deer knowingly lets the birds rest on it.

What is the name describing the relationship between the birds and the deer?

Next: GED Social Studies Practice Tests