Microbiology Midterm Exam Newest 2026 Questions
and Correct Detailed Answers Already Graded A+
Define Micro- - CORRECT ANSWER-Less than 1mm and cannot see with the
naked eye
Need a microscope to see
Microbes, microorganisms, germs, bugs
What are the 5 groups of microorganisms studied? - CORRECT ANSWER-
Bacteria--most famous
Virus--2nd
Fungus--3rd
Protozoa--some but few
Algae--not a human pathogen
What is the smallest simplest single-celled organism? - CORRECT ANSWER-
Bacteria.
What is not a cell, can't live by itself and needs to invade a cell? - CORRECT
ANSWER-Virus
,What are the two different classification of fungus? - CORRECT ANSWER-
Molds and yeast--micro
Mushrooms--Macro
What is a mostly single-celled organism that is Animal like? - CORRECT
ANSWER-Protozoa
What are parasites? - CORRECT ANSWER-Different organisms that range from
worms, insects and protozoa that need a host to survive
What are the different applied microbiology fields of study - CORRECT
ANSWER-Immunology
Epidemiology--control spread of disease
Food Micro--relationship between bacteria, food and drink
What generates 1/2 of the O2 that we breathe and would make life impossible
without? - CORRECT ANSWER-Microbes
Agriculture Micro--relationship between bacteria and crop
Industrial Micro--microbes to produce vitamins, AA, Enzymes, etc.
,Eukaryotic cells are... - CORRECT ANSWER-more complete
Prokaryotic cells are... - CORRECT ANSWER-all micro organisms and lack a
nucleus
Characteristics of microorganisms - CORRECT ANSWER-Small size
Unicellular simplicity
High Growth rate
Adaptability
microscope - CORRECT ANSWER-instrument used for enlargement of small
objects
simple microscope - CORRECT ANSWER-single lens and a few working parts.
not strong
compound microscope - CORRECT ANSWER-2 magnifying lenses, a visible light
sours, a condenser which collects light to direct toward the object
, magnification - CORRECT ANSWER-capacity of an optical system to enlarge
small objects
ocular lens - CORRECT ANSWER-one we look through. 10X
objective lens - CORRECT ANSWER-4 different, 4X, 10X, 40X, 100X
What is resoltion? - CORRECT ANSWER-Capacity of optical systems to
distinguish or separate 2 adjacent objects/points from each other. represents
clarity of image
Types of microscope? - CORRECT ANSWER-Light--visible light, bright field, dark
field, phase contrast, diff interference
Ultraviolet--florescence
Electron--scanning, transmission
what type of microscope do we use in the lab? - CORRECT ANSWER-bright
field light microscope
how does a microscope work? - CORRECT ANSWER-light source is on the
bottom. The light travels from the lamp, hits the condenser lents which collects
and Correct Detailed Answers Already Graded A+
Define Micro- - CORRECT ANSWER-Less than 1mm and cannot see with the
naked eye
Need a microscope to see
Microbes, microorganisms, germs, bugs
What are the 5 groups of microorganisms studied? - CORRECT ANSWER-
Bacteria--most famous
Virus--2nd
Fungus--3rd
Protozoa--some but few
Algae--not a human pathogen
What is the smallest simplest single-celled organism? - CORRECT ANSWER-
Bacteria.
What is not a cell, can't live by itself and needs to invade a cell? - CORRECT
ANSWER-Virus
,What are the two different classification of fungus? - CORRECT ANSWER-
Molds and yeast--micro
Mushrooms--Macro
What is a mostly single-celled organism that is Animal like? - CORRECT
ANSWER-Protozoa
What are parasites? - CORRECT ANSWER-Different organisms that range from
worms, insects and protozoa that need a host to survive
What are the different applied microbiology fields of study - CORRECT
ANSWER-Immunology
Epidemiology--control spread of disease
Food Micro--relationship between bacteria, food and drink
What generates 1/2 of the O2 that we breathe and would make life impossible
without? - CORRECT ANSWER-Microbes
Agriculture Micro--relationship between bacteria and crop
Industrial Micro--microbes to produce vitamins, AA, Enzymes, etc.
,Eukaryotic cells are... - CORRECT ANSWER-more complete
Prokaryotic cells are... - CORRECT ANSWER-all micro organisms and lack a
nucleus
Characteristics of microorganisms - CORRECT ANSWER-Small size
Unicellular simplicity
High Growth rate
Adaptability
microscope - CORRECT ANSWER-instrument used for enlargement of small
objects
simple microscope - CORRECT ANSWER-single lens and a few working parts.
not strong
compound microscope - CORRECT ANSWER-2 magnifying lenses, a visible light
sours, a condenser which collects light to direct toward the object
, magnification - CORRECT ANSWER-capacity of an optical system to enlarge
small objects
ocular lens - CORRECT ANSWER-one we look through. 10X
objective lens - CORRECT ANSWER-4 different, 4X, 10X, 40X, 100X
What is resoltion? - CORRECT ANSWER-Capacity of optical systems to
distinguish or separate 2 adjacent objects/points from each other. represents
clarity of image
Types of microscope? - CORRECT ANSWER-Light--visible light, bright field, dark
field, phase contrast, diff interference
Ultraviolet--florescence
Electron--scanning, transmission
what type of microscope do we use in the lab? - CORRECT ANSWER-bright
field light microscope
how does a microscope work? - CORRECT ANSWER-light source is on the
bottom. The light travels from the lamp, hits the condenser lents which collects
