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Rasmussen MCB2289 2019 January Module 05 Quiz Latest

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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

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