Microbiology Exam 1 UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
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
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
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
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
protozoology - CORRECT ANSWER study of protozoa
Robert Hooke - CORRECT ANSWER • All living organisms are composed of little
boxes or "cells"
• -came up with cell theory - that all microorganisms are made up of cells
-marked the beginning of the cell theory
Anton van Leeuwenhook - CORRECT ANSWER • 1st cells observed under the
microscope
also made the original electron microscope : 10 mil X
Rebecca Lancefield - CORRECT ANSWER • came up with the system that help
classifying different microorganisms
• it was all based on different polysaccharides in the cell wall
QUESTIONS AND CORRECT ANSWERS
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
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
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
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
protozoology - CORRECT ANSWER study of protozoa
Robert Hooke - CORRECT ANSWER • All living organisms are composed of little
boxes or "cells"
• -came up with cell theory - that all microorganisms are made up of cells
-marked the beginning of the cell theory
Anton van Leeuwenhook - CORRECT ANSWER • 1st cells observed under the
microscope
also made the original electron microscope : 10 mil X
Rebecca Lancefield - CORRECT ANSWER • came up with the system that help
classifying different microorganisms
• it was all based on different polysaccharides in the cell wall
