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GED-Science Latest Exam (Sep 2017)

[Free] 2017(Sep) EnsurePass Testking GED GED-Science Dumps with VCE and PDF 81-90

September 26, 2017

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2017 Sep GED Official New Released GED-Science
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GED Science Exam

Question No: 81

Refer to the following information and table.

The table below indicates the results of a preliminary study of a flu medication (RX). The subjects were randomly selected groups of males, ages 50-70, residing in a North American city with a population of more than one million people.

Exhibit:

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Based on the data in the chart and the information provided, which treatment appeared to be most effective in treating the early stages of the flu in these subjects?

  1. A

  2. B

  3. C

  4. D

  5. E

Answer: D

Question No: 82

Yolanda knows copper is sometimes found in lava flows. Where would she be most successful in finding copper?

  1. sedimentary rocks

  2. intrusive igneous rocks.

  3. metamorphic rocks

  4. extrusive igneous rocks

  5. rocks composed of large crystals

Answer: D

Question No: 83

– Exhibit –

Radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X rays, and gamma rays are forms of radiant energy that make up the electromagnetic spectrum. Each portion of the electromagnetic spectrum has waves that vary in frequency and wavelength, but all can be used by people. Radio waves can be used to carry music and voices for great distances through air, X rays can be used for diagnostic work in medicine, and infrared radiation can be used for heating and drying.

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– Exhibit –

Most genetic damage is caused by very short wavelengths of the electromagnetic spectrum.

Which of the following statements would support this statement?

  1. Gamma rays penetrate very deeply and are highly energetic.

  2. Ultraviolet rays are stopped by the skin.

  3. Short wavelengths may be photographed.

  4. Infrared light is used in night photography.

  5. Microwaves may be used to carry telephone conversations.

Answer: A

Question No: 84

A steel ball fits exactly into a hole in a wooden block. If the steel ball is heated, which of the following will occur?

  1. The ball will be too large to fit in the hole.

  2. The ball will become oval shaped.

  3. The ball will shrink and be loose in the hole.

  4. The ball will crack into two equal parts.

  5. The ball will still fit exactly into the hole.

Answer: A

Question No: 85

Exhibit:

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Which of the following persons would most likely have the information found in the table?

  1. a medical doctor

  2. a butcher

  3. a farmer

  4. a veterinarian

  5. an animal trainer

Answer: D

Question No: 86

The figure below illustrates a workman pushing a box up an inclined plane (ramp). The ramp gives the workman a mechanical advantage (MA) and requires less effort. This setup provides an MA, which represents the length of the ramp’s slope (4 meters) divided by its height (1 meter).

Exhibit:

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How would you increase the MA of the ramp for this worker?

  1. Pull the box.

  2. Increase the height of the ramp.

  3. Increase the height of the box.

  4. Increase the length of the cart.

  5. Increase the length of the ramp.

Answer: E

Question No: 87

Rosa fills five small aquariums with equal amounts of pond water. She places various combinations of fish, plants, and/or snails in each aquarium except A, which contains only pond water. Rosa seals all the aquariums and stores them at room temperature under an aquarium light. The light provides the energy for photosynthesis in green plants and production of food and oxygen.

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In which aquarium would the animals live for the longest period?

  1. A

  2. B

  3. C

  4. D

  5. E

Answer: C

Question No: 88

Bernoulli discovered that fast-moving air creates less pressure than does slow-moving air. He thought this seemed the opposite of what would be reasonable, but repeated experiments proved it to be true. He held a piece of paper up to his mouth, as shown

below, and blew across it. The paper tilted upward. This happens because the faster moving air results in less pressure on top of the page, causing the greater pressure under the paper to push the paper upward.

Exhibit:

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Based on the information, why can a smoky car interior be cleared out rapidly by lowering a window slightly while the car is moving?

  1. The air inside the car is usually warmer than the air outside the car, so this warm air pushes the smoke out.

  2. The fast-moving air outside the window has less pressure than the air inside the car, so smoke gets pushed out the window.

  3. The design of the interior of the car directs air flow in such a way that the smoke is pushed out the window.

  4. Since there is more air outside the car than inside, there is more pressure outside.

  5. The force of air from the heater or air conditioner pushes the smoke out.

Answer: B

Question No: 89

The shape and structure of the teeth in the mouth of an animal determine their function in

obtaining its food. The broad, sharp incisors are used for biting. The long, pointed canine teeth are used for tearing food, while the molars, which have a larger surface area, are used for grinding food.

Exhibit:

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In certain animals, the canine teeth are longer than other teeth. Which of the following animals would be likely to have longer canines?

  1. rabbit

  2. wolf

  3. cow

  4. horse

  5. deer

Answer: B

Question No: 90

Exhibit:

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Based on the graph above, after which of these temperatures (Celsius) does enzyme activity begin to first show a decrease?

  1. 30掳 C

  2. 38掳 C

  3. 40掳 C

  4. 44掳 C

  5. 48掳 C

Answer: D

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