Page | 1
MICROBIOLOGY EXAM 1 2026
QUESTIONS AND ANSWERS | A+
GRADED | WITH EXPERT SOLUTIONS
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
, Page | 2
40x
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
, Page | 3
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
, Page | 4
bioremediation - correct answer -using microbes to clean up
pollutants
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
MICROBIOLOGY EXAM 1 2026
QUESTIONS AND ANSWERS | A+
GRADED | WITH EXPERT SOLUTIONS
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
, Page | 2
40x
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
, Page | 3
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
, Page | 4
bioremediation - correct answer -using microbes to clean up
pollutants
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
