1 Endocrine disrupters are now outlawed.
(A) True
(B) False
2 Endocrine disrupters are substances that can mimic hormones.
(A) True
(B) False
3 Through biomagnification, toxins become more concentrated in predators at higher levels in
the food web.
(A) True
(B) False
4 Automobile exhaust, resulting in increased ozone production, has helped to offset ozone
depletion in the atmosphere.
(A) True
(B) False
5 Wood-burning is a pollution-free method of heating a home.
(A) True
(B) False
6 The release of sulfur into the atmosphere from industry makes rainwater more acidic.
(A) True
(B) False
7 The process of mining and extracting gold involves cyanide.
(A) True
(B) False
8 New-car smell is caused by off-gassing of VOCs.
(A) True
(B) False
9 Mercury is a neurotoxin.
(A) True
(B) False
10 Since the outlawing of PCB production, PCB in animal tissues has gradually disappeared.
(A) True
(B) False
11 In pollution treatment, “four nines” means 99.99 percent of the pollutant has been
removed.
(A) True
(B) False
12 Bioremediation is typically performed by bacteria.
(A) True
(B) False
13 Many kinds of bacteria consider petroleum edible.
(A) True
(B) False
14 Leachate is contaminated exhaust released by incineration.
(A) True
(B) False
15 Phytoremediation is performed by plants.
(A) True
(B) False
16 The Precautionary Principle says that scientific certainty is essential before making any
decisions about pollutants.
(A) True
17 A cancer cluster is
(A) a particularly toxic type of mutagen
(B) a group of cells in the body damaged by carcinogens
(C) a greater-than-expected number of cancer cases in a partcular area
(D) a category of industrial fluids
18 Smog is the result of
(A) excess soot particles
(B) a photochemical process
(C) leaking smokestacks
(D) acid rain
19 BOD is
(A) a persistent biotoxin
(B) a measure of oxygen depletion
(C) bioaccumulation of dioxins
(D) biogas on demand
20 Eutrophication is often caused by
(A) improved water quality
(B) decreased water supply
(C) nitrogen fertilizer
(D) acid rain
21 Groundwater pollution is considered a greater problem than surface water pollution because
(A) pollutants cause underground erosion
(B) pollutants interact with bacteria
(C) pollutants cannot be broken down by sunlight and air
(D) the environment is more acidic
22 Which of the following is a point source for pollution?
(A) a parking lot
(B) a roof
(C) a smokestack
(D) automobile exhaust
23 Gathering information about a polluted site is known as
(A) characterization
(B) containment
(C) indicator
(D) remediation
24 In situ remediation means
(A) use of concrete as a containment method
(B) remediation performed immediately after contamination
(C) treatment performed after removal of contaminated material
(D) treatment performed in place or on site
25 Phytoremediation is used for
(A) containment, removal, and treatment
(B) containment only
(C) removal only
(D) treatment only
26 A brownfield is
(A) a site with bare soil
(B) a previously undeveloped site
(C) a former industrial site
(D) a site affected by smog accumulations