FIRST QUIZ Flashcards
I. Archaeans are eukaryotic microorganisms.
II. Archaeans survive in environments with extreme conditions
Statement I is incorrect; Statement II is correct.
I. Gram-variable microorganisms stain green in the microscope
II. The function of Crystal Violet is to extract lipid contents of the lipid cell wall of Gram-negative microorganisms.
Both statements are incorrect
This is the most inclusive taxon.
Domain
What is the principle behind the Gram-Staining Procedure?
A. Differences in bacterial cell wall composition affect their response to sequential stains.
B. Differences in staining patterns mean that microorganisms are phylogenetically related.
C. The importance of alcohol in extraction of lipid contents of bacterial cell wall.
D. All of the above
A. Differences in bacterial cell wall composition affect their response to sequential stains.
This is a bacterial culture that contains a single species of microbes.
Pure Culture
When an infection becomes confined in a specific area but could then cause infection to the other parts of the body, it becomes a ________ infection.
Focal
These are referred to as bacteria with tapering ends.
Fusiform bacilli
Which of the following does not belong to the group?
A. Medical Microbiology
B. Food Microbiology
C. Agricultural Microbiology
D. Phycology
D. Phycology
Which of the following does not belong to the group?
A. Staphylococcus aureus
B. Bacillus cereus
C. Escherichia coli
D. Severe Acute Respiratory Syndrome - Corona Virus 2
D. Severe Acute Respiratory Syndrome - Corona Virus 2
Which of the following does not belong to the newest trends in microbial classification and identification?
A. DNA Fingerprinting
B. Restriction Enzyme Technology
C. Polymerase Chain Reaction
D. Differential Staining Reaction
D. Differential Staining Reaction
Who was credited for the disproval of Spontaneous Generation through the “Swan Neck Flask” experiment?
Louis Pasteur
I. Studying the process of wine-making is under the field of Industrial Microbiology.
II. The unicellular form of fungi is referred to as ‘yeasts’.
Both statements are incorrect.
What is the correct sequence of the stains used in Gram-Staining?
Crystal violet
Iodine solution
Acetone alcohol
Safranin 0
The Koch’s Postulate are listed below except one. Which is incorrect?
A. Affected organisms contain abundant amounts of the suspected pathogen. Healthy organisms do not.
B. If the microorganism is cultivated and grown in-vitro, the suspected pathogen must be isolated.
C. Cultured microorganisms do not necessarily cause disease when reintroduced to healthy organisms.
D. Microorganisms isolated from another infected experimental host must be identical to the original causative agent.
C.
C. Cultured microorganisms do not necessarily cause disease when reintroduced to healthy organisms.
I. Up to this time, there is no concrete, standard classification scheme for bacteria.
II. Bergey’s Manual of Systematic Bacteriology is the universal classification scheme for viruses.
Statement I is correct; Statement II is incorrect
True or False
Symmetry of the structures of a viral particle can be used as a basis in the Baltimore Classification of viruses.
False
True or False
Toxigenicity describes the ability of an organism to produce pervasive metabolies that could poison hosts.
True
True or False
Mycobacterium tuberculosis is also known as the Koch bacillus.
True
True or False
Facultative aerobic microorganisms require oxygen, but they can survive in the absence of oxygen.
True
True or False
Gram-Staining denotes bacterial differences based on the composition of bacterial cell walls (peptidoglycan).
True
True or False
There are around 9 classification systems in the Baltimore scheme of viruses.
False
True or False
The Pore Theory suggests that a disease is due to the emanations from the soil.
False
True or False
Malachite Green (also known as the primary Stain) is a type of chemical used in Gram-Staining.
False
True or False
Food safety and preservation is a scope of food microbiology.
True
True or False
The concept of bacterial taxonomy focuses on classification, identification, and sequencing.
False
True or False
According to the Theurgical Theory, a disease is granted as a punishment for individual sin.
True
True or False
Medical Microbiology identifies causative agents, diagnostic procedures, and prevention of disease.
True
True or False
The three-domain classification system came to rise as a result of the differences in the 16S rRNA genes of organisms.
True
True or False
A virus is a eukaryote.
False
True or False
Conserved sequences refer to areas in the DNA which are highly unchanged after several generations.
True
What is the name of the professor in VMICRO 2200 LEC?
Gemerlyn Gonzales Garcia
