1
MICROBIOLOGY EXAM 1 QUESTIONS
WITH 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
, 2
what are the different magnifications of a bright field microscope - correct-answer
- 4x
10x
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
, 3
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
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
, 4
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
Bacillus thuringienisis - correct-answer - can kill insects but doesn't harm plants or
animals
Order of the Scientific Method - correct-answer - observe
MICROBIOLOGY EXAM 1 QUESTIONS
WITH 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
, 2
what are the different magnifications of a bright field microscope - correct-answer
- 4x
10x
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
, 3
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
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
, 4
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
Bacillus thuringienisis - correct-answer - can kill insects but doesn't harm plants or
animals
Order of the Scientific Method - correct-answer - observe
