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Water Quality
Test Description: Water quality
Instructions: Answer all questions to get your test result.
1) How does water with high turbidity impact fish
A
the sediments in the water clog their gills
B
it makes them swim better
C
it makes them change colors
D
it doesn't
2) As temperature increases, dissolved oxygen
A
remains the same
B
decreases
C
I don't know
D
increase
3) living organisms that are used to assess the health of a body of water: they are sensitive to pollution.
A
algal blooms
B
bio-indicators
C
nitrates
D
phoshates
4) What is the max temperature water can be for it to be healthy?
A
35 degrees celsius
B
25 degrees Celsius
C
38 degrees celsius
D
40 degrees celsius
5) What do too much or excess nitrates and phosphates cause to happen in a body of water?
A
makes it healthier
B
makes it clearer
C
no algae
D
algal blooms
6) How do nitrates and phosphates enter into a body of water?
A
animals
B
run off containing fertilizers
C
rain
D
people swimming
7) What happens to the temperature of water with high turbidity
A
it increases because heat is reflected
B
in increases because it absorbs heat
C
it remains the same
D
it decreases
8) A measure of how acidic or basic water is
A
pH
B
bio-indicators
C
temperature
D
turbidity
9) If the pH is 7 it is considered to be
A
acidic
B
basic
C
neutral
D
.
10) If water has an acidic pH that means it is probably
A
healthy
B
IDK
C
it means nothing
D
polluted
11) This is not a way of getting nitrates in surface water
A
animals swimming in it
B
septic tank sewage
C
runoff contaminated with fertilizers
12) Which factors can have the greatest effect on the health of a river system?
A
type of soil and salinity
B
nitrate levels and turbidity
C
human consumption and pH
D
natural disasters and tidal changes
13) How might fertilizer runoff from a soybean field affect the quality of water in the farm pond?
A
It decreases the turbidity, which lowers the amount of particles in the pond.
B
It increases the pH level.
C
It promotes algae growth, which lowers the oxygen level in the pond.
D
It decreases the overall water temperature.
14) What most directly affects the amount of dissolved oxygen in a body of water?
A
temperature
B
pH
C
turbidity
D
salinity
*select an answer for all questions
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