Answers
1. ~ originates from deep wells,
ground water
subter- ranean spring
~ vitally free of microorganisms
~ contaminants may enter water
~ water flows up a long channel
2. ~ lakes, streams, shallow wells
surface water
~ its microbial population may
reflect:
~ the air thru which rain has
passed
~ the meat packing plant by
which stream flows
~ the sewage treatment facility
~ microorganisms play
significant role in aquatic life
cycle by supplying food for
small fish and digesting dead
plants and animals
3. contains chemical or biological poison contaminted
or infectious agent
4. contains chemical or biological poison
polluted or infectious agent, but the
poison or agency is obvious;
unpleasant taste,
smell, and appearance
5. water is fit for consumpion potable
6. water can absorb light of photosynthesis
certain wavelengths extremely efficient
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,Micro Dr. Al LSUE Exam 4 Questions and Valid Correct
Answers
solvent pH below 2.4 on board
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,Micro Dr. Al LSUE Exam 4 Questions and Valid Correct
Answers
dissolve
sulfur
nitrogen
oxide unpolluted water
7. low in organic nutrients --- limit
the number of bacteria that are
present
8. contains large amonts of organic mat- polluted water
ter from sewage, feces, industrial
source
9. 4 types of bacteria found in Coliforms, Streptococcus, Proteus, Pseudomona
polluted water
10. halophilic "salt-loving" marine water
microorgan- isms
psychrophilic
basophilic "pressure-loving"
11. 3 types of water pollution physical, chemical, biological
12. type of water concern
pollution sand, soil, develops from
cloudy cyanobacter microorganisms that
bloom enter water from:
~ human wastes
13. type of water pollution ~ food processing and
inorganic and organic meat-packag-
waste
14. type of water
pollution main
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, Micro Dr. Al LSUE Exam 4 Questions and Valid Correct
Answers
physical
chemical
biological
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