BACTE PRELIMS
Bacterial and Cellular Biology Quiz
Test your knowledge on microbiology and cellular biology with our engaging quiz designed for students, educators, and enthusiasts alike. This quiz covers a wide range of topics, including:
- Microorganism classification
- Cell structure and fun
ction - Pathogenicity and disease mechanisms
- Microbial properties and laboratory techniques
It is the study of organisms and agents too small to be seen clearly by an unaided eye.
Parasitology
Microbiology
Mycology
Virology
He developed the compound microscope and described cells as “little boxes”.
Francisco Redi
Anton Van Leeuwenhoek
Girolamo Fracastoro
Robert Hooke
It is responsible for the conversion of sugar to alcohol.
Yeast cells
Protein cells
Glucose
Carbohydrates
Living cells arise from pre-existing cells.
Cell Theory
Biogenesis
Biogenosis
Biolysis
Spontaneous Generation
Which of the following statements is TRUE about the basis of aseptic techniques?
Microorganisms are present in the air and can contaminate sterile solutions but the air itself does create microbes.
Microorganisms are present in the air and cannot contaminate sterile solutions but the air itself does not create microbes.
Microorganisms are present in the air and can contaminate sterile solutions but the air itself does not create microbes.
Neither
He is the father of antiseptic surgery.
Anton Van Leeuwenhoek
Joseph Lister
Theodor Schwann
John Tyndall
It is a process by which a microorganism’s key features are described.
Classification
Identification
Nomenclature
Staining
It is used in conjunction with microscopic morphology for bacterial identification.
Classification
Identification
Nomenclature
Staining
The hierarchical classification system in order.
Domain, Phylum, Kingdom, Class, Family, Genus, Species, Subspecies
Kingdom, Domain, Phylum, Genus, Class, Family, Species, Subspecies
Domain, Kingdom, Class, Family, Phylum, Genus, Species, Subspecies
Domain, Kingdom, Phylum, Class, Family, Genus, Species, Subspecies
Which is NOT an example of a phenotypic characteristic?
Colony morphology
Staining
Base sequencing of DNA/RNA
Biochemical & susceptibility testing
Unicellular organisms that lack a nuclear membrane and nucleus.
Bacteria
Parasites
Microbes
Fungi
A phospholipid bilayer with embedded proteins that envelop the cytoplasm.
Cell wall
Periplasmic space
Plasma membrane
Spores
Exterior protein filaments that rotate and cause bacteria to be motile.
Cilia
Microvilli
Flagella
Bacilli
Binds to the nucleic acid of the cell and flouresces as bright orange under UV light.
Methylyne Blue
Acridine Orange
Auramine-Rhodamine
Ziehl Neelsen
One of the four arrangements of flagella that surrounds the cell.
Monotrichous
Amphitrichous
Lophotrichous
Peritrichous
Requires oxygen for growth.
Obligate anaerobes
Obligate aerobes
Aerotolerant anaerobes
Capnophilic
It is the time required for one cell to divide into two cells.
Generation time
Doubling time
Neither
Both
Dead cells > New cells
Lag phase
Stationary phase
Death phase
Log phase
Bundle of fibrils that are anchored at one end of the spirochete and spiral around the cell.
Axial filaments
Fimbrae
Pili
Plasmid
Which is true about the Embden-Meyerhof Pathway?
Aerobic, End product = 2 molecules of pyruvic acid
Anaerobic, End product = 2 molecules of pyruvic acid
Anaerobic, End product = 1 molecules of pyruvic acid
Aerobic, End product = 1 molecules of pyruvic acid
Modified true or false: DNA is single stranded. While RNA is double helix stranded.
First statement is true, second statement is false.
First statement is false, second statement is true.
Both statements are true.
Both statements are false.
It contains all genes essential for growth and replication.
Genome
Genetics
Chromosome
Peptidoglycan
A nucleotide acid is composed of:
Phosphate group
Cyclic five-carbon pentose
Nitrogen containing base
All of the above
Uptake and incorporation of naked DNA into a bacterial cell.
Transformation
Replication
Transcription
Identification
Which is true about codons?
1 codon = 2 amino acids
2 codon = 1 amino acids
1 codon = 1 amino acids
1 codon = 10 amino acids
Microbe benefits at the expense of others (host).
Symbiosis
Mutualism
Parasitism
Commensalism
The ability of a microorganism to cause disease or the degree of pathogenicity.
Pathogenesis
Pathogenecity
Virulence
Adhesins
A type of toxin that is secreted by the organism to the extracellular environment.
Endotoxins
Exotoxins
Excretoxins
Introtoxins
Movement of PMNs into the area of infection.
Diapedesis
Opsonization
Ossification
Chemotaxis
Which is not under the first line of defense?
Intact skin
Normal microbiota
Inflammation
Mucous membranes & secretions
It is effective against a limited number of pathogens.
Narrow Spectrum
Ultraviolet Spectrum
Visible Spectrum
Broad Spectrum
Destroys different kinds of organisms.
Narrow Spectrum
Ultraviolet Spectrum
Visible Spectrum
Broad Spectrum
Most selective antibiotics with high therapeutic index, cell growth stops & death often follows.
Protein inhibitors
Glucose inhibitors
Lipid inhibitors
Cell wall inhibitors
Which of these statements is true?
Neither
The lower the therapeutic index, the more effective the chemotherapeutic agent.
The higher the therapeutic index, the more effective the chemotherapeutic agent.
The higher the therapeutic index, the more ineffective the chemotherapeutic agent.
Bacteria reproduce by _______
Parthenogenesis
Fragmentation
Binary fission
Budding
Broth volume is 10 ml or greater.
Macrodilution
Microdilution
Mechadilution
Megadilution
One or more bacteria isolated are tested per plate.
Disk diffusion method
Broth dilution method
Agar dilution method
Turbidity standard
Basic Principles of Specimen Collection: I. Name, ii. Identification Number, iii. Room Number, iv. Patient's birthdate, v. Physician, vi. Culture Site, vii. Date and Time of Collection
I, iii, iv only
I, ii, iii, v, vi, vii
I, ii, iii, iv, v, vi, vii
I, ii, iv, iv, v, vi, vii
From the Greek word decay or putrid, indicates bacterial contamination, as in septic tanks for sewage treatment.
Antisepsis
Sepsis
Septic
Antiseptic
Removal of all microbial life and it is accomplished by dry heat, autoclaving, gas, various chemicals (formaldehyde) and radiation.
Washing
Degerming
Sanitation
Sterilization
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