Practice Quiz

MTEL Biology Practice Exam - Question List

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91.
Aquatic ecosystems tend to be dead zones near points at which nuclear power plants discharge water because of:
  1. High levels of acidity.
  2. Elevated background radiation.
  3. Decreased light penetration.
  4. Low dissolved oxygen content.
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92.
The presence of increased levels of nitrogen oxides in the atmosphere is an environmental concern because this can result in:
  1. A decrease in soil fertility as minerals are leached away.
  2. A decrease in the populations of nitrogen-fixing bacteria.
  3. An increase in the rate of ozone depletion in the atmosphere.
  4. An increase in the eutrophication of aquatic ecosystems.
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93.
The draining of wetlands for development leads directly to increases in which of the following environmental problems?
  1. Accumulation of pollutants.
  2. Flooding in adjacent habitats.
  3. Pressure on nearby landfills
  4. Establishment of exotic species.
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94.
Which of the following practices is the best way to reduce the environmental consequences associated with logging forests in mountainous areas?
  1. Applying nitrogen and potash fertilizers after logging the site.
  2. Closing the logged area to recreational uses until trees are reestablished.
  3. Leaving some trees standing on the site when it is logged.
  4. Cultivating the soil immediately after logging and planting tree seedlings.
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