A Microbiology Quiz For Learners! Trivia Questions

50 Questions | Total Attempts: 323

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Microbiology Quizzes & Trivia

Are you a microbiology student and are looking for some way to test out what you have understood in your classes so far? The quiz below is exactly what the doctor prescribed and will ensure that you have a smooth transition when it comes to sitting for your finals by showing you how questions are structured. Do give it a shot and all the best!


Questions and Answers
  • 1. 
    The scientific study of organisms with the ultimate goal of characterizing and arranging them in an orderly manner is  
    • A. 

      Taxonomy

    • B. 

      Classification

    • C. 

      Systematics

    • D. 

      Identification

  • 2. 
    The assignment of names to taxonomic groups is referred to as  
    • A. 

      Taxonomy

    • B. 

      Nomenclature

    • C. 

      Systematics

    • D. 

      Identification

  • 3. 
    The determination of the taxon to which an organism belongs is called  
    • A. 

      Taxonomy

    • B. 

      Classification

    • C. 

      Systematics

    • D. 

      Identification

  • 4. 
    The science dealing with classification is called  
    • A. 

      Taxonomy

    • B. 

      Nomenclature

    • C. 

      Systematics

    • D. 

      Identification

  • 5. 
    The arrangement of organisms into groups is best described as  
    • A. 

      Taxonomy

    • B. 

      Classification

    • C. 

      Systematics

    • D. 

      Identification

  • 6. 
     A classification system based on mutual similarity that involves comparing as many characteristics as possible is called a __________ system.  
    • A. 

      Phylogenetic

    • B. 

      Phyletic

    • C. 

      Phenetic

    • D. 

      Determinative systematic

  • 7. 
     A classification system based on evolutionary relationships is called a __________ system.  
    • A. 

      Phylogenetic

    • B. 

      Phenetic

    • C. 

      Systematic

    • D. 

      Determinative

  • 8. 
     Which of the following is useful in biological systematics?  
    • A. 

      Physiology

    • B. 

      Epidemiology

    • C. 

      Ecology

    • D. 

      All of the choices

  • 9. 
    A general term used to describe groups based on mutual similarity or evolutionary relatedness is  
    • A. 

      Class

    • B. 

      Taxa

    • C. 

      System

    • D. 

      Group

  • 10. 
    Microorganisms do not generally reproduce sexually; therefore, species are usually defined by phenotypic and genotypic similarities.  
    • A. 

      True

    • B. 

      False

  • 11. 
    In an approach called __________ taxonomy, relatedness is determined by a wide range of phenotypic and genotypic information.  
  • 12. 
    A population descending from a single organism or pure culture isolate is called a  
    • A. 

      Genus

    • B. 

      Species

    • C. 

      Subspecies

    • D. 

      Strain

  • 13. 
    Which of the following is an example of the use of the binomial system devised by Linnaeus?  
    • A. 

      Escherichia coli

    • B. 

      Enterobacteriaceae

    • C. 

      Enterobacteriales

    • D. 

      O157:H7

  • 14. 
    The organisms in which of the following are more closely related?  
    • A. 

      Order

    • B. 

      Family

    • C. 

      Class

    • D. 

      Phylum

  • 15. 
    The binomial system of nomenclature assigns each organism a scientific name consisting of  
    • A. 

      Species and strain.

    • B. 

      Kingdom and species.

    • C. 

      Genus and species.

    • D. 

      Kingdom and genus.

  • 16. 
    Serovars are strains of a species that have distinctive antigenic properties.  
    • A. 

      True

    • B. 

      False

  • 17. 
    Microbial species are collections of strains that share many stable properties in common but differ significantly from other strains.  
    • A. 

      True

    • B. 

      False

  • 18. 
     The type strain is a well-characterized strain to which other strains are compared for inclusion in or exclusion from a particular species.  
    • A. 

      True

    • B. 

      False

  • 19. 
     The type strain is the most representative strain of a particular species.  
    • A. 

      True

    • B. 

      False

  • 20. 
    Bacterial strains that are characterized by biochemical differences are called __________.  
  • 21. 
     Bacterial strains that have distinct antigenic properties are called __________.  
  • 22. 
    The general order of classification below the domain or kingdom level is  
    • A. 

       phyla, order, class, family, genus, species.

    • B. 

       phyla, order, family, class, genus, species.

    • C. 

       phyla, class, family, order, genus, species.


    • D. 

      Phyla, class, order, family, genus, species.

  • 23. 
    Mole percent (G+C) of DNA is useful for determining relatedness at the __________ level.  
    • A. 

      Kingdom

    • B. 

      Class

    • C. 

      Genus

    • D. 

      None of the choices

  • 24. 
    Stable annealing due to hydrogen bonding between DNAs of similar nucleotide sequence from different organisms is referred to as  
    • A. 

      Hydrolysis

    • B. 

      Restriction

    • C. 

      Hybridization

    • D. 

      Ligation

  • 25. 
    The temperature at which half of the strands of a double-stranded DNA molecule have separated from each other is called the __________ temperature.  
    • A. 

      Separation

    • B. 

      Melting

    • C. 

      Destabilizing

    • D. 

      Mobilization