MICROBIOLOGY EXAM
Mastering Microbiology Quiz
Test your knowledge of microbiology with this comprehensive quiz! Designed for students and professionals alike, this quiz covers a wide range of topics, including microscopy, microbial culture techniques, and agar forms.
Key Features:
- 49 engaging questions
- Multiple choice and checkbox formats
- Focus on practical applications in microbiology
It is where the object to be examined is placed.
K
E
F
A
Identify letter D.
Ocular Lens
Magnifying Lens
Objective Lens
Microbiology Lens
What is the function of letter M.
Geared to the body tube which elevates or lowers when rotated bring the objective to approximate focus.
A knob for delicate focusing bringing the objective into perfect focus.
Allows the control of the slides by moving the slides
It is used to enlarge specimens
These are lenses that are used to collect and focus light from the illuminator into the specimen.
Diaphragm
Condenser
Illuminator
Mirror
Synthetic Oil is used for what magnification?
4x
10x
40x
100x
Allows for tilting the microscope for convenience of the user.
Draw Tube
Inclination Joint
Pillar
Arm
Identify Letter O.
Base
Pillar
Arm
Aperture
__________ is an instrument used to see objects that are too small for the naked eye.
Microscope
Microscopy
Microscopic
The science of investigating small objects using such an instrument is ___________
Microscope
Microscopy
Microscopic
It means invisible to the eye unless aided by a microscope.
Microscopy
Microscope
Microscopic
Its standard magnification is 10x with an optional magnification from 5X to 30X.
A
D
F
I
Located beneath the stage and has concave and plane surface to gather and direct light in order to illuminate the object.
Mirror
Diaphragm
Condenser
Aperture
It is when one objective lens is in focus, then the other objectives will also be in (approximate) focus.
Parfocal
Illuminating Focus
Radiant Focus
Focal Point
Hypofocus
Hyperfocus
A method of multiplying microbial organisms by letting them reproduce in predetermined culture medium under controlled laboratory conditions.
Culture Media
Contamination
Microbial Culture
Aseptic Technique
Microbes or substances from a foreign source have infiltrated the growth medium.
Culture Media
Contamination
Microbial Culture
Aseptic Technique
Set of routine precautionary measures we take in order to prevent and reduce contamination of unwanted substances.
Culture Media
Contamination
Microbial Culture
Aseptic Technique
Root-like form of Agar Slant
Beaded
Rhizoid
Arborescent
Filiform
Echinulate
Effuse
Tree-like form of Agar Slant
Beaded
Rhizoid
Arborescent
Filiform
Echinulate
Effuse
Colony-like form of Agar Slant
Beaded
Rhizoid
Arborescent
Filiform
Echinulate
Effuse
Floating particles in Broth Media is called?
Pellicle
Flocculent
Sediment
Turbid
Shrinking particles in Broth Media is called?
Pellicle
Sediment
Flocculent
Turbid
Based on oxygen requirement, what type of Media is Pellicle?
Aerobic Media
Anaerobic Media
Based on oxygen requirement, what type of Media is Sediment?
Anaerobic Media
Aerobic Media
A microbiological culture medium is a substance that encourages the growth, support, and survival of microorganisms. May be used to obtain pure cultures, to grow and count microbial cells, and to cultivate and select microorganisms
Culture Media
Microbial Culture
Aseptic Technique
Contamination
It produces general turbidity.
Solid Medium
Semi-solid Medium
Liquid Medium
0.2 - 0.5% Agar
Solid Medium
Liquid Medium
Semi-solid Medium
2% Agar
Solid Medium
Liquid Medium
Semi-solid Medium
It is used to isolate colonies for studying
Basal Media
Defined Media
Complex Media
Composition is known
Basal Media
Defined Media
Complex Media
May contain extracts from animal or plant tissues
Simple Media
Synthetic Media
Non-Synthetic Media
No exact formula
Defined Media
Synthetic Media
Complex Media
The components of Nutrient Agar are the following (Choose all that applies)
Beef Extract
Peptone
2% Agar
NaCl
Alkaline Water
NaCOOH
Distilled Water
Culture Media
Plant Extract
Sodium Ascorbate
Designed to grow a broad spectrum of microbes that do not have special growth requirements.
General Purpose
Enriched
Storage
Differential
Transport
Selective
Contains complex organic substances such as blood, serum, hemoglobin or special growth factors.
General Purpose
Enriched
Storage
Differential
Transport
Selective
Contains one or more agents that inhibit the growth of certain microbe or microbes, but not another.
General Purpose
Enriched
Selective
Differential
Transport
Storage
Grow several types of organisms but are designed to bring out visible differences among those microbes
General Purpose
Enriched
Selective
Differential
Transport
Storage
Used to maintain and preserve specimens that have to be held for a period of time before clinical analysis
General Purpose
Enriched
Selective
Differential
Transport
Storage
Media used for storing bacteria for a long period of time.
General Purpose
Storage
Differential
Enriched
Transport
Selective
When sterilizing the material in the oven, how long it will take?
5 mins
10 mins
20 mins
30 mins
None of the Above
When sterilizing the material in the oven, how many degrees are needed for it to become sterile?
150 degrees
15 degrees
35-37 degrees
180 degrees
In autoclave, what is the required PSI?
15 psi
35-37 psi
37 psi
25 psi
What is the ideal duration of autoclaving the agar?
10 mins
15 mins
25 mins
24-48 hours
None of the Above
What is the ideal degree of the autoclave in the process of agar making?
120-125 degrees
121 degrees
120 degrees
120-121 degrees
None of the Above
125 degrees
What is the ratio of Nutrient Agar and Distilled Water respectively.
14g : 500ml
14ml : 500 g
8g : 500ml
14ml : 200 g
What are the 6 I's in the Method of Microbial Investigation?
inoculation
Incubation
Isolation
Inspection
information gathering
Identification
Inversion
Induction
Infection control
Intervention
Used to inoculate a culture into a broth medium or into an agar deep tube.
Inclination Joint
Inoculating Loop
None of the Above
Inoculating Stick
Used for transferring small volumes of bacteria onto the surface of an agar plate and slant.
Inoculating Loop
Inoculating Needle
Inoculating Rod
Inoculating Stick
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