Practice Quiz

CLEP Natural Sciences - Biological Science - Question List

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1. If an animal cell is placed in distilled water, it will swell and burst. The bursting of the cell is a result of which biological process?
  1. active transport
  2. enzyme activity
  3. osmosis
  4. respiration
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2. Which of the following lists identifies organisms that are producers in food webs?
  1. algae, ferns, sunflowers
  2. mushrooms, bacteria, earthworms
  3. termites, red foxes, shrews
  4. woodpeckers, cardinals, grasshoppers
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3. In which of the following ways does a bacterial cell differ from an animal cell?
  1. A bacterial cell is much larger than an animal cell.
  2. A bacterial cell has more mitochondria than an animal cell.
  3. A bacterial cell has RNA for its genetic material, whereas an animal cell does not.
  4. A bacterial cell does not have membrane-bound organelles, whereas an animal cell does.
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4. Which of the following best explains why enzymes are necessary for many cellular reactions?
  1. Enzymes supply the oxygen necessary for the reactions.
  2. Enzymes change reactants from solid to liquid during the reactions.
  3. The reactions take up too much space in the cell if enzymes are missing.
  4. The reactions are too slow to meet the needs of the cell if enzymes are missing.
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5. Nerve cells use which of the following to communicate with each other?
  1. antibodies
  2. electrochemical signals
  3. enzymes
  4. simple sugars
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