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Environemntal Science Chapter 11 Review Questions 2
Test Description: Quiz Review
Instructions: Answer all questions to get your test result.
1) Which of the following is NOT an example of point-source pollution?
A
untreated sewage that is accidentally released from a wastewater treatment plant
B
heavy metals that are leaching out of an underground mine
C
oil that is escaping from a damaged tanker.
D
water runoff from residential lawns.
2) Which of the following pollutants causes artificial eutrophication?
A
toxic chemicals from factories
B
heavy metals from unlined landfills
C
inorganic plant nutrients from a waste water treatment plant
D
radioactive waste from nuclear power plants
3) pumping large amounts of water from an aquifer may cause the
A
percolation of groundwater to stop
B
water table to rise
C
recharge zone to shrink
D
well in an area to run dry
4) Oil pollution in the ocean is mostly caused by
A
the cumulative effect of small oil spills and leaks on land
B
decomposed plastic materials
C
intentional dumping of excess oil
D
a major spill
5) Thermal pollution has a harmful effect on aquatic environments because
A
it reduces the amount of dissolved oxygen in aquatic environments
B
it decreases the nutrient levels in aquatic environments
C
water has been circulated around power-plant generators
D
it increases the number of disease causing organisms in aquatic environments
6) Which of the following is an example of nonpoint source pollution?
A
waste water treatment plant
B
oil spill
C
livestock feedlot
D
chemical factory
7) How does heat act as a water pollutant?
A
It increases the nutrients in the water
B
It speeds up chemical reactions
C
It decreases oxygen in the water
D
It slows down the flow of water
8) Biomagnification is
A
The process of water evaporating from oceans
B
The buildup of pollutants at higher levels of the food chain
C
The process of water evaporating from plants
D
The process of pollutants evaporating from animals
9) Why is point-source pollution easier to control than nonpoint-source pollution?
A
Point source is easier because the source of the pollutant is known.
B
Point source is easier because the source of the pollution is unknown.
10) Groundwater is difficult to clean up because groundwater recharges slowly and pollutants cling to the materials that make up and aquifer.
A
False
B
True
*select an answer for all questions
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