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
