Oxygen Sag Curve
Authored by Jennifer Hanson
Science
11th - 12th Grade
NGSS covered
Used 23+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following would be considered water pollution from a non-point source?
chemical from a factory entering a stream through a drain pipe
sewage leaking into a lake from a treatment plant
agricultural pesticides leaded into ground water from a storage area
residential and industrial runoff contributing to poor water quality
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a flowing stream, the breakdown of degradable wastes by bacteria deplete DO and creates an
oxygen sag curve
oxygen spike curve
oxygen rich atmosphere
increase in biodiversity
Tags
NGSS.MS-LS2-4
NGSS.MS-LS2-1
NGSS.MS-LS2-3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The oxygen sag curve shows a drop in
low oxygen demand organisms
high oxygen demand organisms
oxygen demand
dissolved oxygen
Tags
NGSS.MS-LS2-4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which of the following zones would you expect fish to be absent?
clean zone
decomposition zone
septic zone
recovery zone
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which of the following zones would you expect to find trashy fish like carp, gar and leeches?
clean zone
decomposition zone
septic zone
recovery zone
Tags
NGSS.MS-LS2-4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Parts of a river associated with a point-source pollutant are shown below. Which of the combinations is incorrectly paired?
clean zone - high levels of dissolved oxygen
decomposition zone - only pollution-tolerant fishes found
septic zone - most fish absent, low levels of DO
recovery zone -normal levels of DO and high levels of BOD
Tags
NGSS.MS-LS2-4
NGSS.MS-LS2-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dissolved oxygen content will ___ as pollution increases.
increase
decrease
stay the same
fluctuate
Tags
NGSS.MS-LS2-4
NGSS.MS-LS2-1
NGSS.MS-LS1-5
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