MICROBIOLOGY EXAM 3 RIO SALADO
COMPETENCY REVIEW 2026 MOCK TEST
COMPLETE KEY INSIGHTS
◉ examples of microorganisms.
Answer: bacteria
fungi
protozoa
microscopic algae
viruses
◉ what kind of microscope do you use when you are working with
microorganisms you can't see?.
Answer: bright field microscope
◉ what are the different magnifications of a bright field microscope.
Answer: 4x
10x
40x
100x
,◉ what is the kind of microscope that you use when looking at a
virus.
Answer: electron microscope
◉ what are the different magnifications of the electron microscope.
Answer: 1 mil
2 mil
10 mil
◉ How are microbes helpful.
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.
Answer: 70/10 mil
◉ what knowledge do microbes give humans.
Answer: prevent diseases
allow food storage and prevent food spoilages
,stop transmission of diseases
◉ Microbiology.
Answer: the study of organisms too small to be seen with the naked
eye
◉ microbial ecology.
Answer: the study of the relationship between microorganisms and
their environment
◉ competitive exclusion.
Answer: a way to kill the bad bacteria
- change in the pH
- secrete enzymes
- eat the food
◉ bioremediation.
Answer: using microbes to clean up pollutants
◉ Bacillus thuringienisis.
Answer: can kill insects but doesn't harm plants or animals
, ◉ Order of the Scientific Method.
Answer: observe
hypothesis
prediction
experiment
consistency
theory
law
◉ Mycology.
Answer: study of fungi
◉ bacteriology.
Answer: study of bacteria
◉ virology.
Answer: study of viruses
◉ algology.
Answer: study of algae
COMPETENCY REVIEW 2026 MOCK TEST
COMPLETE KEY INSIGHTS
◉ examples of microorganisms.
Answer: bacteria
fungi
protozoa
microscopic algae
viruses
◉ what kind of microscope do you use when you are working with
microorganisms you can't see?.
Answer: bright field microscope
◉ what are the different magnifications of a bright field microscope.
Answer: 4x
10x
40x
100x
,◉ what is the kind of microscope that you use when looking at a
virus.
Answer: electron microscope
◉ what are the different magnifications of the electron microscope.
Answer: 1 mil
2 mil
10 mil
◉ How are microbes helpful.
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.
Answer: 70/10 mil
◉ what knowledge do microbes give humans.
Answer: prevent diseases
allow food storage and prevent food spoilages
,stop transmission of diseases
◉ Microbiology.
Answer: the study of organisms too small to be seen with the naked
eye
◉ microbial ecology.
Answer: the study of the relationship between microorganisms and
their environment
◉ competitive exclusion.
Answer: a way to kill the bad bacteria
- change in the pH
- secrete enzymes
- eat the food
◉ bioremediation.
Answer: using microbes to clean up pollutants
◉ Bacillus thuringienisis.
Answer: can kill insects but doesn't harm plants or animals
, ◉ Order of the Scientific Method.
Answer: observe
hypothesis
prediction
experiment
consistency
theory
law
◉ Mycology.
Answer: study of fungi
◉ bacteriology.
Answer: study of bacteria
◉ virology.
Answer: study of viruses
◉ algology.
Answer: study of algae
