end of chapter quiz: chapter 24

Question 1

1. Regarding the greenhouse effect, which of the following
   statements is false?
   a. It is important as it retains some heat from the sun.
   b. It is magnified by the polluting greenhouse gases.
   c. It is solely a consequence of human activity.
   d. It reradiates heat in all directions.

Answer 1

c

Question 2

2. Which problem is attributed primarily to the use of
   chlorofluorocarbons (CFC) in refrigerators and aerosol cans?
   a. greenhouse gases leading to global warming
   b. depletion of the ozone layer in the stratosphere
   c. production of air pollution leading to acid rain
   d. development of smog over heavily populated areas

Answer 2

b

Question 3

3. Which of the following is the primary source of the acid in
   acid rain?
   a. ozone produced by lightning
   b. carbon monoxide in automobile exhaust
   c. CO2 from the burning of coal and oil for power
   d. sulfur dioxide from the burning of coal and oil for power

Answer 3

d

Question 4

4. Which of the following is not a consequence of urbanization?
   a. combined sewage overflow (CSO)
   b. smog
   c. water pollution
   d. growth of diverse plants

Answer 4

d

Question 5

5. Which of the statements about freshwater distribution and use
   is correct?
   a. Freshwater supplies are evenly distributed throughout the
   world.
   b. About 10% of the world’s water is freshwater.
   c. The supply of freshwater can limit the carrying capacity of
   a region.
   d. Freshwater supplies generally are unaffected by the water
   cycle.

Answer 5

c

Question 6

6. All of the following statements about eutrophication are true
   except:
   a. Eutrophication is beneficial as it encourages growth of
   CO2-consuming water plants and algae.
   b. Eutrophication is the result of sewage pollution and fertilizer
   runoff.
   c. Eutrophication can eventually result in the conversion of a
   wetland into dry land.
   d. Eutrophication is a

Answer 6

a

Question 7

7. Which renewable energy may contribute to habitat
   destruction?
   a. photovoltaic panels
   b. geothermal energy
   c. hydroelectricity
   d. wind farms

Answer 7

c

Question 8

8. Plastic may take ________ of years to degrade completely.
   a. hundreds
   b. a couple
   c. dozens
   d. thousands

Answer 8

a

Question 9

9. Which environmental issue is most closely associated with rural
   poverty-stricken regions where people rely almost exclusively
   on their local environment for survival?
   a. air pollution
   b. groundwater pollution
   c. desertification
   d. eutrophication

Answer 9

c

Question 10

10. All of the following are examples or sources of biomass fuels
    except:
    a. coal
    b. corn
    c. dung of herbivores
    d. sugarcane

Answer 10

a

Question 11

11. The energy source raising the least concerns of pollution,
    environmental damage, or other risks is:
    a. nuclear energy
    b. hydroelectric energy
    c. solar energy
    d. biomass fuels

Answer 11

c

Question 12

12. Green roofs should be mainly supported because:
    a. they are visually pleasing
    b. they are easy to maintain
    c. they consist of native plant species
    d. they absorb harmful pollutants

Answer 12

d

Question 13

13. Which of the following contributes the most to the loss of
    biodiversity?
    a. water pollution
    b. air pollution
    c. habitat destruction
    d. mining and drilling for fossil fuels

Answer 13

c

Question 14

14. Which of the following is likely to be a consequence of the
    burning of large areas of tropical rain forest to make way for
    croplands?
    a. a sustained increase in the economic well-being of the
    residents in the area
    b. an increase in the population of large game animals
    c. an increase in biodiversity
    d. an increase in atmospheric CO2

Answer 14

d

Question 15

15. All of the following are practices that promote sustainability
    except:
    a. planting large areas with the same crop
    b. reducing consumption
    c. recycling reusable materials
    d. reducing fertility rates worldwide

Answer 15

a