Practice Quiz

CLEP Natural Sciences - Biological Science - Question List

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66. Which of the following matches a cell organelle with its function?
  1. chloroplast-movement
  2. nucleus-cell regulation
  3. vacuole-energy production
  4. mitochondrion-photosynthesis
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67. Joints are most important for which of the following functions of the human skeletal system?
  1. protection
  2. movement
  3. storage of minerals
  4. blood cell formation
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68. Until recently, the myrtle warbler and the Audubon’s warbler were thought to be separate species of birds because the males have very different appearances. Which of the following observations most likely led to the reclassification of these warblers as one species?
  1. The myrtle warbler and the Audubon’s warbler have thesame diet.
  2. The myrtle warbler and the Audubon’s warbler lay the same number of eggs.
  3. The myrtle warbler and the Audubon’s warbler have overlapping geographical ranges.
  4. The myrtle warbler and the Audubon’s warbler interbreed and produce fertile offspring.
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69. In the deserts of the southwestern United States, rock formations made from lava flows are found scattered across the sand. The rock pocket mouse, which has dark fur, lives on the black lava rocks. The Apache pocket mouse, which has light fur, lives on the tan sand. Which of the following statements best explains how these two types of mice could have evolved from a common ancestor?
  1. Individual mice changed their fur color to escape their predators.
  2. Natural selection favored different fur colors in the different habitats.
  3. The emigration of mice changedthe gene pools in the original population.
  4. The original population of mice spread out geographically torelieve overcrowding.
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70. Which of the following normally results from meiosis in a human cell that contains 46 chromosomes?
  1. an egg cell with 46 chromosomes
  2. a liver cell with 23 chromosomes
  3. a blood cell with 46 chromosomes
  4. a sperm cell with 23 chromosomes
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