Chapter 18 Self Quiz: Water Pollution

  1. A(n) ________ is an area of land over which water drains into a body of water.
    1. floodplain (wrong)
    2. upland (wrong)
    3. bottomland (wrong)
    4. estuary (wrong)
    5. watershed (correct)
  2. One factor that contributes to more dissolved oxygen in streams is
    1. warmer air temperature (wrong)
    2. cooler water temperature (correct)
    3. slower water movement (wrong)
    4. more nutrients (wrong)
    5. all of the above (wrong)
  3. The leading source of water pollution in the U.S. is
    1. chemicals (wrong)
    2. pathogens (correct)
    3. lead (wrong)
    4. mercury (wrong)
    5. sediments (wrong)
  4. Rank the following areas in ascending order (from least to most) as typical sources of nitrogen pollution in watersheds.
    1. forested, suburban, agricultural (correct)
    2. forested, agricultural, suburban (wrong)
    3. agricultural, forested, suburban (wrong)
    4. suburban, agricultural, forested (wrong)
    5. suburban, forested, agricultural (wrong)
  5. Excessive nutrients in aquatic ecosystems can cause explosive algal growth called
    1. bioaccumulation (wrong)
    2. biomagnification (wrong)
    3. eutrophication (correct)
    4. nitrification (wrong)
    5. denitrification (wrong)
  6. Permeable pavers
    1. promote faster water flow to streams (wrong)
    2. protect streambanks from erosion (wrong)
    3. absorb nitrogen from the atmosphere (wrong)
    4. allow vegetation to grow on green roofs (wrong)
    5. allow water to infiltrate into the ground (correct)
  7. A rain barrel can
    1. reduce stormwater runoff (correct)
    2. house a rain garden (wrong)
    3. be used to water a green roof (wrong)
    4. speed stormwater movement (wrong)
    5. all of the above (wrong)