Human Impact on Earth Resources
Practice Test
1.
What is ozone?
a.
a gas molecule that is made of three oxygen atoms
b.
a large growing hole
c.
a molecule that is formed by condensation
d.
acid gas
2.
__________ and _________ can reduce the environmental impact of deforestation.
a.
Introducing new species, increasing buffer zones
b.
Selective logging, increasing buffer zones
c.
Logging everything only in small areas, new species
d.
Minimizing buffer zones, selective logging
3.
What is the primary federal law that protects the waters of the United States?
a.
Safe Drinking Water Act of 1984
b.
Clean Air Act of 1990
c.
Clean Water Act of 1972
d.
Ozone Depletion Act of 1981
4.
What is the method that uses organisms to clean up toxic waste?
a.
deforestation
b.
carrying capacity
c.
monoculture
d.
bioremediation
5.
Which is NOT an affect the change shown in the figure would have on the air?
a.
greater chance of rain
b.
increased pollution from cars
c.
potential CFC leakage from the air-conditioning and refrigeration units
d.
smoke from store's chimney
6.
Which is an example of a density-independent factor?
a.
parasites
b.
a flood
c.
lack of food
d.
a plague
7.
If a developer fills in and dries a wetland, what is the developer required to do?
a.
fill in an additional wetland
b.
build a new wetland
c.
relocate the species that were occupying that wetland
d.
use it only for waste disposal
8.
What is the carrying capacity of an environment?
a.
the equivalent of the human growth rate
b.
the number of organisms it can support
c.
the human impact
d.
the total number of limiting factors
9.
The process of restoring mined land to its original contours and vegetation is called __________.
a.
bioremediation
b.
reclamation
c.
deforestation
d.
recycling
10.
What combines with atmospheric moisture to create acid precipitation?
a.
carbon dioxide and sulfur dioxide
b.
carbon dioxide and ozone
c.
sulfur dioxide and nitrogen oxides
d.
nitrogen oxides and methane
11.
What type of pollution is generated from a single point of origin?
a.
nonpoint source
b.
acid precipitation
c.
ozone
d.
point source
12.
What activity or segment of the population puts the greatest demand on water supplies in the United States?
a.
public use for drinking, washing, and cooking
b.
industry
c.
power plant cooling
d.
agriculture
13.
Why is it necessary to use all the sand, liner, and clay layers, shown in the figure?
a.
they help the garbage decay
b.
they protect seepage from getting in the groundwater
c.
they make the landfill completely safe
d.
they keep the smell pleasant
14.
As any population __________, its demand for natural resources __________.
a.
increases, increases by 50 percent
b.
increases, increases
c.
decreases, increases
d.
increases, decreases
15.
Which is NOT something that would impact the water by building up the area of land shown in the figures?
a.
there would be more erosion on the bare soil
b.
an increase in groundwater
c.
pollutants for fertilizers running into river
d.
oil and gas leaks from cars washing into the river from the parking lot
16.
The planting of one species in a field is called __________.
a.
biodiversity
b.
carrying capacity
c.
deforestation
d.
monoculture
17.
What is the removal of trees without adequate replanting?
a.
a monoculture
b.
deforestation
c.
bioremediation
d.
a carrying capacity
18.
What could happen to a population with a growth curve shown?
a.
it would completely die out
b.
it would never reach its carrying capacity
c.
limiting factors would stop it from growing
d.
it would continue to grow forever
19.
What is global warming?
a.
a decrease in the amount of deforestation
b.
a decrease in Earth's average surface temperature
c.
an increase in Earth's average surface temperature
d.
an increase in the concentration of ozone
20.
Which contribute to the depletion of atmospheric ozone?
a.
old refrigerators
b.
cleaning agents
c.
All of the answers are correct.
d.
propellants from aerosol cans
