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Water Quality Test

Enter the letter for the matching Answer
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1.
a pH of 7 most likely indicates this
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2.
How might fertilizer runoff from a farm or golf course affect the quality of water in a pond?
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3.
Which type of organisms would most likely flourish in water near agricultural areas?
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4.
two nonpoint pollutants most directly linked to agriculture:
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5.
What does high turbidity of a water body do to the dissolved oxygen levels?
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6.
Which may cause scientists to be concerned about the quality of lake water?
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7.
The pH of a lake is lowered (becomes more acidic) from 6.7 to 5.9. What effect would this have on the organisms in a river basin?
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8.
How can organisms like frogs be used to indicate the health of a water system?
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9.
The daily release of hot water into a pond from a local factory could have what affect?
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10.
excessive amounts of nutrients contaminating surface and groundwater supplies cause this to happen
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11.
a student creates a model of a stream in a forested mountain watershed. He wants to show how the stream could be overloaded with sediment. What should he include in his model?
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12.
A decrease in pH of a body of water can do this
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13.
How does high turbidity in a watershed affect water temperatures and dissolved oxygen?
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14.
Characteristic that makes an organism a good bioindicator?
A.
acres of cleared forest above the stream
B.
water temperatures increase dissolved oxygen levels decrease
C.
animals will sicken or die in a polluted environment
D.
organism that is sensitive to slight physical or chemical changes
E.
the higher the turbidity, the lower the dissolved oxygen levels
F.
Some organisms would adapt to the new pH, while others that could not would die
G.
the water is safe to drink
H.
plants because of excess ferilizers
I.
promotes algae growth which lowers dissolved oxygen levels
J.
bacteria and excess nutrients
K.
speed up eutrophication process
L.
cause large organisms in the body of water to begin to die
M.
the health of the fish in the pond would be affected
N.
high levels of nitrates
Type the Answer that corresponds to the displayed Question.
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15.
water systems overloaded with nutrients undergoes which process?
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16.
Increase in levels of nitrates and phosphates (nutrients) entering a body of water would
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17.
Contaminant contained in fertilizers and pesticides from farms
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18.
Which water quality indicator measures how light travels through water?
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19.
A process that would increase dissolved oxygen in freshwater lakes

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Created by: 8teach8