Practice Quiz

CLEP Biology Practice Exam - Question List

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86. Which of the following statements best compares sensory neuron function and motor neuron function in the human body?
  1. Sensory neurons are voluntarily controlled, whereas motor neurons are involuntarily controlled.
  2. Sensory neurons respond to light and sound stimuli, whereas motor neurons respond to touch stimuli.
  3. Sensory neurons send signals to motor neurons, whereas motor neurons send signals to the central nervous system.
  4. Sensory neurons send signals to the central nervous system, whereas motor neurons receive signals from the central nervous system.
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87. Which of the following statements explains why viruses are able to reproduce only inside host cells instead of being able to reproduce on their own?
  1. Viruses cannot function at temperatures other than 98.6°F
  2. Viruses lack spindle fibers that correctly align chromosomes for division.
  3. Viruses are too small to effectively make copies of themselves on their own.
  4. Viruses lack the cellular machinery needed to make copies of their genetic material.
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88. Scientists have concluded that snakes evolved from an ancestor with legs. Which of the following statements provides the best evidence for this conclusion?
  1. Most species of snakes live on land.
  2. Snakes move extremely fast to catch their prey.
  3. Snakes have a well-developed backbone and muscular system.
  4. Some species of snakes have limb buds during their embryonic development.
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89. Baby food manufacturers sometimes use proteases in their products. Proteases catalyze the breakdown of the proteins in these foods, making digestion easier for infants. Proteases are which of the following types of molecules?
  1. enzymes
  2. fatty acids
  3. hormones
  4. monosaccharides
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90. Shelly and Jason are siblings, but Shelly looks like their father while Jason looks like their mother. Which of the following statements best explains the difference in Shelly’s and Jason’s features?
  1. Shelly inherited a greater number of chromosomes from their father than Jason did.
  2. Shelly inherited a smaller number of X chromosomes from their mother than Jason did.
  3. Shelly and Jason had different mutations occur in the 46
    chromosomes they inherited from their mother and father.
  4. Shelly and Jason inherited different combinations of 23 chromosomes from their mother and 23 chromosomes from their father.
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