[Free] 2018(Jan) EnsurePass Dumpsleader GED GED-Science Dumps with VCE and PDF 111-120

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GED Science Exam

Question No: 111

Andrew is pushing a heavy crate up a ramp. The crate tends to slide back down the ramp and is thus hard to push up.

Trish suggests placing a rubber mat on the incline of the ramp to increase the friction between the crate and ramp. Then the crate would not slide back and would be easier to push up the ramp.

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Which statement is the most serious criticism of Trish’s suggestion?

  1. The increased friction will make the crate heavier.

  2. A rubber mat would need to be large enough to cover the entire ramp.

  3. Friction already exists between the crate and ramp before adding a mat.

  4. Friction would be a serious factor only if the crate were larger.

  5. The increased friction will make the crate harder to push up.

Answer: E

Question No: 112

When choosing an organism to study, geneticists prefer the following characteristics. The organism should be small, have a fast growth rate, and have the ability to produce many offspring.

Based on these criteria, which plant would be LEAST useful for a genetic study?

  1. moss

  2. grass plant

  3. dandelion

  4. oak tree

  5. tomato plant

Answer: D

Question No: 113

In the 1900s, the rate of extinction of animal species increased dramatically. Which factor is most likely responsible?

  1. Earth’s weather patterns

  2. natural selection

  3. Earth’s geological patterns

  4. evolutionary patterns

  5. human actions

Answer: E

Question No: 114

Scientific discoveries often lead to the development of new technology. However, the reverse may also be true. A technological invention may open the door for much more scientific activity.

Which technological development has had the greatest impact on the human health sciences?

  1. microscope

  2. concrete

  3. camera

  4. nylon

  5. toothbrush

Answer: A

Question No: 115

The diagram above illustrates the feet of five species of birds. Each foot is particularly well adapted for a certain environment and lifestyle.

Which animal would be found in an environment similar to that of a bird in D? Exhibit:

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  1. grasshopper

  2. frog

  3. cat

  4. earthworm

  5. honeybee

Answer: B

Question No: 116

What is a likely prediction about other vertebrates with magnetite near their brains?

  1. suffer middle-ear related balance problems

  2. use the Sun to determine direction of movement

  3. use the stars to determine direction of movement

  4. have a good sense of direction

  5. weigh less because of the decreased force of gravity

Answer: D

Question No: 117

What behaviors do birds use for navigation?

  1. only innate behavior

  2. only learned behavior

  3. both innate and learned behavior

  4. only following the leader

  5. both training and following the leader

Answer: C

Question No: 118

Which factor affects fish survival in lakes with acid deposition?

  1. adjacent soil’s ability to neutralize acid

  2. lake’s elevation above sea level

  3. number of trees surrounding the lake

  4. quantity of water lilies on the lake

  5. types of fowl inhabiting wooded areas near the lake

Answer: A

Question No: 119

Which is a useful way of reducing acidification of a lake?

  1. increasing acid emissions from a local power plant

  2. decreasing the lake’s plants

  3. adding phosphates to the surrounding soil

  4. stocking the lake with large fish

  5. adding calcium compounds to the lake water

Answer: E

Question No: 120

Flowers are the reproductive part of some plants. The stamen is the male reproductive organ while the pistil is the female organ. At the tip of the stamen is the anther, which forms pollen grains in which the sperm cells are formed. Pollen grains are transferred to the pistil by wind, water, insects, and other mechanisms.

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Which statement best interprets the diagram and information? Exhibit:

  1. The stamen produces the egg cells.

  2. The pollen grains serve merely as food for insects.

  3. Bees may distribute pollen to other flowers.

  4. Pollen grains produce the egg cells.

  5. Sperm cells are produced in the pistil.

Answer: C

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