Question 1
Question
Grouping organisms into categories to show degrees of similarities is called?
Answer
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Systematics
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Taxonomy
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Hierarchy
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Nomenclature
Question 2
Question
Which of the following statements describes the Domain Bacteria?
Answer
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They are multicellular
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They have linear chromosomes
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They have prokaryotic cells
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That have eukaryotic cells
Question 3
Question
What process can be used to increase the amount of microbial DNA to levels that can be tested by gel electrophoresis?
Question 4
Question
Treating DNA from different bacteria with the same restriction enzymes followed by separation of the fragments by electrophoresis is known as
Question 5
Question
Which of the following techniques can identify antibodies in a patient’s serum?
Answer
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Flow cytometry
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Southern blotting
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Western blotting
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Phage typing
Question 6
Question
The test that involves a reaction between known antibodies and an unknown bacterium is known as
Answer
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ELISA
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Phage typing
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Flow cytometry
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Southern blotting
Question 7
Question
Genetically related groups of eukaryotes that share a common ancestor are known as
Answer
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Species
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Clones
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Strains
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Clades
Question 8
Question
Which one of the following do NOT apply to eukaryotic cells?
Question 9
Question
Organisms that can form thin tubes called hyphae belong in the Kingdom
Answer
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Animalia
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Fungi
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Plantae
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Protista
Question 10
Question
Historically, eukaryotic organisms that did NOT fit into other kingdoms were placed into which kingdom?
Answer
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Protista
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Fungi
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Plantae
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Animalia
Question 11
Question
Fossil evidence indicates that prokaryotic cells first existed on Earth ___________years ago.
Answer
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3.5 billion
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3.5 million
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350,000
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3500
Question 12
Question
In the scientific name Staphylococcus aureus, Staphylococcus is the
Answer
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class
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Genus
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Species epithet
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Family
Question 13
Answer
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The same as a species
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A population of cells with similar characteristics
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A freely interbreeding population
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A population of cells derived from a single parent cell
Question 14
Question
The two domains of prokaryotes are
Answer
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Bacteria and Archaea
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Bacteria and Fungi
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Archaea and Fungi
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Bacteria and Protista
Question 15
Question
Which of the following bacteria LACKS a cell wall?
Answer
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Borrelia
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Clostridium
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Mycoplasma
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Mycobacterium
Question 16
Question
Which one of the following is NOT a category of Archaea?
Answer
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Halophiles
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Pathogens
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Thermophiles
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Acidophiles
Question 17
Question
Nitrogen-fixing bacteria that infect the roots of leguminous plants are known as
Answer
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Nanobacteria
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Cyanobacteria
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Pseudomonads
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Rhizobia
Question 18
Question
The largest bacterium discovered, found in sediments of the coastal waters off Namibia, belongs to the genus
Answer
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Mycobacterium
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Pseudomonas
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Thiomargarita
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Staphylococcus
Question 19
Question
Alphaproteobacteria often have stalk-like or budlike protrusions known as
Answer
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Axial filaments
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Myxospores
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Prosthecae
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Elementary bodies
Question 20
Question
Which of the following is NOT a member of the order Enterobacteriales?
Answer
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Pseudomonas
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Escherichia
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Salmonella
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Shigella
Question 21
Question
The MOST common infectious genus in the world which ONLY lives inside the cells of insects is
Answer
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Coxiella
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Brucella
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Wolbachia
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Bartonella
Question 22
Question
The phylogenetic relationship among proteobacteria is based on ________studies.
Question 23
Question
Which of the following causes syphilis?
Answer
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Treponema pallidum
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Leptospira interrogans
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Cytophaga spp.
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Borrelia burgdorferi
Question 24
Question
Which of the following is NOT assigned to the phylum Firmicutes?
Answer
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Enterobacteriales
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Clostridiales
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Lactobacillales
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Mycoplasmatales
Question 25
Question
Which genus of bacteria is responsible for more illnesses and diseases than any other group of bacteria?
Answer
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Streptococcus
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Enterococcus
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Staphylococcus
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Bacillus
Question 26
Question
What is the common cause of yeast infections?
Answer
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Aspergillus fumigatus
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Candida albicans
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Histoplasma capsulatum
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Penicillium chryosogenum
Question 27
Question
Which of the following is the MOST common life-threatening infection in AIDS patients?
Answer
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Aspergillus
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Candida
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Rhizopus
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Pneumocystis
Question 28
Question
What term refers to fungal infections deep within the body?
Answer
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Systemic mycoses
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Cutaneous mycoses
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Subcutaneous mycoses
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Superficial mycoses
Question 29
Question
Algae with complex cell walls made of pectin and a layer of silica are
Answer
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Diatoms
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Green algae
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Red algae
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Dinoflagellates
Question 30
Question
Which type of algae can live at greater ocean depths than other algae?
Answer
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Blue algae
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Red algae
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Brown algae
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Green algae
Question 31
Question
The body of a multicellular algae is called a
Answer
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Mycelium
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Hypha
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Pseudopod
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Thallus
Question 32
Question
Paralytic shellfish poisoning is caused by dinoflagellates that secrete a neurotoxin known as
Answer
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Aflatoxin
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Endotoxin
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Exotoxin
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Saxitoxin
Question 33
Question
The feeding or growing stage of a protozoan is called the
Answer
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Merozoite
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Hypnozoite
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Trophozoite
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Sporozoite
Question 34
Question
Amebic dysentery is caused by which of the following human pathogens?
Answer
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Acanthamoeba
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Naegleria
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Entamoeba
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Trichomonas
Question 35
Question
Which of the following pairs is mismatched?
Question 36
Question
The sexual reproduction of Plasmodium takes place in the gut of a
Question 37
Question
Which of the following is the vector of Lyme disease?
Answer
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Tick
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Head louse
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Mite
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Mosquito
Question 38
Question
Arthropods that carry pathogenic microorganisms are called
Answer
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Vehicles
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Vectors
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Fomites
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Reservoirs
Question 39
Question
Which of the following is TRUE regarding viruses?
Answer
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Virions contain both DNA and RNA
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They multiply by binary fission
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They are sensitive to antibiotics
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They are not composed of cells
Question 40
Question
Which of the following is NOT a morphological type of virus?
Answer
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Helical
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Polymorphic
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Polyhedral
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Enveloped
Question 41
Question
Viruses that infect bacteria are called
Answer
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Bacteriophages
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Prions
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Viroids
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Antisense viruses
Question 42
Question
Capsids are composed of protein subunits known as
Answer
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Capsomeres
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Spikes
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Envelopes
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Tail fibers
Question 43
Question
It is hypothesized that viroids evolved from
Answer
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Viruses
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Exons
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Introns
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Prions
Question 44
Question
Prion diseases can be acquired via ALL of the following EXCEPT
Question 45
Question
Scrapie is an example of a ________ disease found in sheep and caused by a prion.
Answer
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Neurological
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Gastrointestinal
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Respiratory
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Cardiovascular
Question 46
Answer
-
Animals
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Protozoans
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Plants
-
Bacteria
Question 47
Answer
-
Provirus
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Naked, infectious piece of RNA
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Capsid without a nucleic acid
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Complete, infectious virus particle
Question 48
Question
What percentage of cancers are known to be virus-induced?
Question 49
Question
The ability of retroviruses to induce tumors is related to which enzyme?
Answer
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Reverse transcriptase
-
RNA polymerase
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DNA polymerase
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Protease
Question 50
Question
Cancer-causing alterations to cellular DNA affect parts of the genome called
Answer
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Introns
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Oncogenes
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Exons
-
Promoters
Question 51
Question
Which of the following is NOT an effect of transformation?
Answer
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T antigens appear in the nucleus of the cell
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Cells lose their ability to divide
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Cells tend to exhibit chromosomal abnormalities
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Tumor-specific transplantation antigens appear on the cell surface.
Question 52
Question
Which of the following is an example of a latent viral infection in humans?
Answer
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Measles
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HIV/AIDS
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Shingles
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Influenza