Microbiology Exam 1 | Comprehensive
Q&A For Certification Success
Microorganism - correct-answer -are organisms that are too small to see with the
unaided eye
examples of microorganisms - correct-answer -bacteria
fungi
protozoa
microscopic algae
viruses
what kind of microscope do you use when you are working with microorganisms
you can't see? - correct-answer -bright field microscope
what are the different magnifications of a bright field microscope - correct-answer
-4x
10x
40x
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100x
what is the kind of microscope that you use when looking at a virus - correct-
answer -electron microscope
what are the different magnifications of the electron microscope - correct-answer
-1 mil
2 mil
10 mil
How are microbes helpful - correct-answer -decompose organic waste
generate O2
produce chemical products such as ethanol and others
produce fermented foods ex: vinegar, cheese, and bread
produce products used in manufacturing ex: cellulose and insulin
How many microbes are pathogenic out of all the microorganisms - correct-
answer -70/10 mil
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what knowledge do microbes give humans - correct-answer -prevent diseases
allow food storage and prevent food spoilages
stop transmission of diseases
Microbiology - correct-answer -the study of organisms too small to be seen with
the naked eye
microbial ecology - correct-answer -the study of the relationship between
microorganisms and their environment
competitive exclusion - correct-answer -a way to kill the bad bacteria
- change in the pH
- secrete enzymes
- eat the food
bioremediation - correct-answer -using microbes to clean up pollutants
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Bacillus thuringienisis - correct-answer -can kill insects but doesn't harm plants or
animals
Order of the Scientific Method - correct-answer -observe
hypothesis
prediction
experiment
consistency
theory
law
Mycology - correct-answer -study of fungi
bacteriology - correct-answer -study of bacteria
virology - correct-answer -study of viruses
algology - correct-answer -study of algae