Water Quality Question Preview (ID: 33171)
This Is A Review For Water Quality Measurements And What Effects Them.
TEACHERS: click here for quick copy question ID numbers.
As the the temperature of water rises the dissolved oxygen
a) goes down
b) goes up
c) does not change
d)
As the temperature of water goes down the dissolved oxygen
a) goes down
b) goes up
c) stays the same
d)
Which of the following makes water temperature increase?
a) shallow water
b) runoff from hot pavement
c) high air temperature
d) all of these
Which of the following makes water temperature decrease?
a) deep water
b) shade
c) lower air temperature
d) all of these
There is more diversity of life at:
a) a. higher temperatures
b) b. lower temperatures
c)
d)
If there is more photosynthesis going on there will be _______ DO.
a) more
b) less
c) no change
d)
If there is more respiration going on there will be ________ DO.
a) more
b) less
c) no change
d)
If there is more decomposition going on there will be _______ DO.
a) more
b) less
c) no change
d)
If there are a healthy number of plants and algae the DO level will go:
a) up
b) down
c) no change
d)
If there are more bacteria and animals the DO level will go:
a) up
b) down
c) no change
d)
There is more diversity of life when the DO levels are:
a) higher
b) lower
c) DO does not affect biodiversity
d)
After an algae bloom (at the very end) the DO levels are:
a) very high
b) very low
c) in the middle range
d)
If there is more photosynthesis going on there will be _______ pH.
a) higher
b) lower
c) neutral
d)
If there is more respiration going on there will be ________ pH.
a) higher
b) lower
c) neutral
d)
If there is more decomposition going on there will be _______ pH.
a) higher
b) lower
c) neutral
d)
If there are a healthy number of plants and algae the pH level will go:
a) up
b) down
c) stay neutral
d)
If there are more bacteria and animals the pH level will go:
a) up
b) down
c) stay neutral
d)
When there is more dissolved CO2 the pH is:
a) lower
b) higher
c) neutral
d)
When there is more DO the pH is:
a) higher
b) lower
c) neutral
d)
Pure water has a pH of:
a) 0
b) 4
c) 7
d) 10
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