Microbiology By Body System

53 Questions | Total Attempts: 88

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Body System Quizzes & Trivia

Chapter 1


Questions and Answers
  • 1. 
    Antoni van Leeuwenhoek was the first person in history to
    • A. 

      Disprove spontaneous generation.

    • B. 

      Use a magnifying glass.

    • C. 

      Develop a taxonomic system.

    • D. 

      View protozoa and bacteria.

    • E. 

      Prove the germ theory.

  • 2. 
    The microbes commonly known as __________ are single -celled eukaryotes that are generally motile.
    • A. 

      Viruses

    • B. 

      Bacteria

    • C. 

      Fungi

    • D. 

      Protozoa

    • E. 

      Archea

  • 3. 
    Which of the following statements about algae is FALSE?
    • A. 

      They are a source of food for aquatic and marine animals.

    • B. 

      They provide most of the oxygen on Earth.

    • C. 

      They are important in the degradation of dead plants and animals.

    • D. 

      They are photosynthetic organisms.

    • E. 

      The group includes seaweeds and kelps.

  • 4. 
    Microbes that can live in the presence or absence of oxygen are called
    • A. 

      Obligate parasites

    • B. 

      Prokaryotes

    • C. 

      Facultative anaerobes

    • D. 

      Anaerobes

    • E. 

      Archea

  • 5. 
    Which of the following scientists provided evidence in favor of the concept of spontaneous generation?
    • A. 

      Buchner

    • B. 

      Spallanzani

    • C. 

      Pasteur

    • D. 

      Needham

    • E. 

      Redi

  • 6. 
    The microbial production of alcohol from sugar is known as
    • A. 

      Fermentation

    • B. 

      Abiogenesis

    • C. 

      Metabolism

    • D. 

      Antisepsis

    • E. 

      Pasteurization

  • 7. 
    Which of the following statements about fungi is FALSE?
    • A. 

      Molds form hyphae.

    • B. 

      Fungi have a cell wall.

    • C. 

      Yeasts are unicellular

    • D. 

      Fungi are photosynthetic.

    • E. 

      Fungi are eukaryotes.

  • 8. 
    Which of the following statements concerning Kochʹs postulates is FALSE?
    • A. 

      All of Kochʹs postulates must be satisfied before an organism can be proven to cause a particular disease.

    • B. 

      Kochʹs postulates involve the experimental infection of susceptible hosts.

    • C. 

      A suspected pathogen must be able to be grown in the laboratory.

    • D. 

      Kochʹs postulates cannot be used to demonstrate the cause of all diseases.

    • E. 

      A suspected pathogen must be found in the majority of individuals with a particular disease.

  • 9. 
    Which of the following individuals pioneered the use of chemicals to reduce the incidence of infections during surgery?
    • A. 

      Snow

    • B. 

      Semmelweis

    • C. 

      Nightengale

    • D. 

      Ehrlich

    • E. 

      Lister

  • 10. 
    The study of the bodyʹs defenses against pathogens is called
    • A. 

      Immunology

    • B. 

      Chemotherapy

    • C. 

      Epidemiology

    • D. 

      Molecular biology

    • E. 

      Etiology

  • 11. 
    Which of the following questions largely stimulated the research of microbes during what is known as the Golden Age of Microbiology?
    • A. 

      What causes disease?

    • B. 

      How are microbes related?

    • C. 

      Is spontaneous generation of microbes possible?

    • D. 

      How do genes work?

    • E. 

      What causes disease, and is spontaneous generation of microbes possible?

  • 12. 
    The microbial activity of __________ is responsible for the production of various foods.
    • A. 

      Bacteria

    • B. 

      Protozoa

    • C. 

      Fungi

    • D. 

      Archaea

    • E. 

      Both fungi and bacteria

  • 13. 
    What scientist first hypothesized that gene sequences could provide new insights into evolutionary relationships between organisms such as microbes?
    • A. 

      Woese

    • B. 

      Ehrlich

    • C. 

      Pauling

    • D. 

      Avery

    • E. 

      Kluyver

  • 14. 
    Work by __________ laid the foundations of the field of environmental microbiology.
    • A. 

      Lister and Semmelweis

    • B. 

      Redi and Spallanzani

    • C. 

      Pauling and Woese

    • D. 

      Koch and Pasteur

    • E. 

      Beijerinck and Winogradsky

  • 15. 
    Semmelweis advocated handwashing as a method of preventing which of the following diseases?
    • A. 

      Cholera

    • B. 

      Syphilis

    • C. 

      Anthrax

    • D. 

      Puerperal fever

    • E. 

      Smallpox

  • 16. 
    According to Kluyver and van Niel, which of the following are true of basic biochemical reactions?
    • A. 

      Basic biochemical reactions shared by all living things primarily involve transfer of electrons and hydrogen ions.

    • B. 

      They primarily involve transfers of chemical groups.

    • C. 

      There are an unlimited number of them.

    • D. 

      They are shared by all living things.

    • E. 

      They primarily involve the transfer of electrons and ions.

  • 17. 
    Paul Ehrlich used chemotherapy to treat
    • A. 

      Cancer

    • B. 

      Syphilis

    • C. 

      Smallpox

    • D. 

      Anthrax

    • E. 

      Cholera

  • 18. 
    Which of the following is NOT a characteristic of viruses?
    • A. 

      They are smaller than prokaryotic cells.

    • B. 

      They are visible with a light microscope.

    • C. 

      They are obligatory parasites.

    • D. 

      They are acellular.

    • E. 

      They are composed of genetic material and protein.

  • 19. 
    The first true vaccine protected against disease caused by a __________ pathogen
    • A. 

      Protozoal

    • B. 

      Viral

    • C. 

      Bacterial

    • D. 

      Arheal

    • E. 

      Fungal

  • 20. 
    All of the following individuals were involved in improving public health in the 19th century EXCEPT
    • A. 

      Snow

    • B. 

      Lister

    • C. 

      Nightengale

    • D. 

      Semmelweis

    • E. 

      Spallanzani

  • 21. 
    Saccharomyces cerevisiae is an example of which of the following types of microbes?
    • A. 

      Protozoan

    • B. 

      Prokaryote

    • C. 

      Alga

    • D. 

      Fungus

    • E. 

      Virus

  • 22. 
    Inserting a gene from the hepatitis B virus into yeast so that the yeast produces a viral protein is an example of
    • A. 

      Gene therapy

    • B. 

      Immunology

    • C. 

      Genetic engineering

    • D. 

      Microbial genetics

    • E. 

      Etiology

  • 23. 
    Which of the following was NOT an aspect of Pasteurʹs experiments to disprove spontaneous generation?
    • A. 

      He boiled the infusions to kill any microbes present.

    • B. 

      The necks of the flasks he used were bent into an S -shape.

    • C. 

      The flasks were incubated for very long periods of time.

    • D. 

      The flasks he used were sealed with corks.

    • E. 

      The flasks were free of microbes until they were opened.

  • 24. 
    Proteins that promote chemical reactions in the cell are called
    • A. 

      Genes

    • B. 

      Flagella

    • C. 

      Enzymes

    • D. 

      Spores

    • E. 

      Protozoa

  • 25. 
    Which of the following is NOT a characteristic of protozoa?
    • A. 

      They are the microbes most similar to plants.

    • B. 

      They frequently possess cilia or flagella.

    • C. 

      Most exhibit asexual reproduction

    • D. 

      They are eukaryotic organisms.

    • E. 

      They are single-celled organisms.

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