Rasmussen MCB2289 2019 January Module 05 Quiz Latest

MCB2289 Introduction to Microbiology
Module 05 Quiz
Question 1          Transmissible spongiform encephalopathies are caused by
Answers:            
Flavoviruses
Virusoids
 Prions
Orthomyxoviruses
Question 2          All of the following viruses can cause the common cold except
Answers:            
Coronaviruses
Adenovirus
 Herpesviruses
Rhinoviruses
Question 3          Viruses that infect bacteria are called _______.
Answers:            
E. coli
lytic viruses
naked viruses
 Bacteriophages
Question 4          Rod-shaped bacteria, some of which are endospore forming, are referred to as
Answers:            
Cocci
 Bacilli
Spirals
Vibrios
Question 5          Beadlike chains of cocci formed after cell division along a single axis are called
Answers:            
Diplococci
 Streptococci
Tetrads
staphlococci
Question 6          Microorganisms that show optimal growth in moderate temperatures (between 20° C and 45° C) are called
Answers:            
Thermophiles
Psychrophiles
 Mesophiles
Psychrotrophs
Question 7          Toxoplasma gondii belongs to which group of eukaryotic organisms?
Answers:            
Algae
Fungi
 Protozoans
Helminths
Question 8          Legionella, Thiobacillus and Burkholderia are examples of
Answers:            
Facultative anaerobic gram-negative rods
 Gram-negative aerobic rods
Spirochetes
Anaerobic gram-negative cocci
Question 9          Organisms that require or are tolerant of salt concentrations in their environment are called:
Answers:            
psychrophiles
aerobes
 halophiles
heterotrophs
Question 10       Damage that can occur to the host cell as a result of viral infection include:
Answers:            
lysis
altered cell shape
detachment from tissue surface
 all answers are
Question 11       The so-called “red tide” is generally caused by which of the following organisms?
Answers:            
Lichens
Bacteria
Diatoms
 Algae
Question 12       Staphylococci and streptococci are best classified in the group of
Answers:            
 Gram-positive cocci
Gram-negative cocci
Gram-negative aerobic rods and cocci
Anaerobic gram-negative cocci
Question 13       Fungi and some protozoa produce a compound called _____ which strengthens the cell membranes
Answers:            
cholesterol
 ergosterol
hopanoids
estrogen
Question 14       The subgroup of fungi that are used as food(edible mushrooms, morels, and truffles) are called
Answers:            
Basidiomycota
 Ascomycota
Lichens
Zygomycota
Question 15       The  sequence of stages in the multiplication of animal viruses is
Answers:            
 attachment, penetration, uncoating, biosynthesis, assembly, release
penetration, attachment, assembly, uncoating, biosynthesis, release
attachment, uncoating, penetration, biosynthesis, assembly, release
penetration, uncoating, adsorption, biosynthesis, assembly, release
Question 16       The causative agent for Lyme disease is a
Answers:            
Spirillium
 Spirochete
Vibrio
Diplococcus
Question 17       The viruses that cause chickenpox, shingles, and mononucleosis belong to which family of DNA viruses?
Answers:            
 Herpesviridae
Papovaviridae
Adenoviridae
Poxviridae
Question 18       Fungi are free-living _________ organisms.
Answers:            
Autotrophic
Chemotrophic
 Heterotrophic
Phototrophic
Question 19       The stage of the growth curve where the bacteria are producing molecules necessary for cell division, but not undergoing cell division is called the ___________
Answers:            
death phase
logarithmic phase
stationary phase
 lag phase
Question 20       Viruses can infect
Answers:            
Plants
Bacteria
Animals
 All organisms
Question 21       Bacteria that use organic compounds as the source of both carbon and energy are referred to as
Answers:            
Photoautotrophs
Chemoautotrophs
Photoheterotrophs
 Chemoheterotrophs
Question 22       Parasitic organisms that spend most of their time in a mammalian host are called ________
Answers:            
protozoans
fungi
 helminths
algae
Question 23 Bacteria that use oxygen, but only at a low concentration, are classified as
Answers:            
Obligate aerobes
 Microaerophiles
Obligate anaerobes
Aerotolerant anaerobes
Question 24Bacterial replication is accomplished primarily by
Answers:            
Mitosis
Meiosis
Cytokinesis
 Binary fission
Question 25 The antibiotics penicillin and cephalosporin are produced by
Answers:            
Algae
Slime molds
 Fungi
Protozoans