Microbiology Quiz1

63 Questions | Total Attempts: 38

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Microbiology Quizzes & Trivia

Questions and Answers
  • 1. 
    When humans manipulate the genes of microorganisms the process is called:
    • A. 

      A. Bioremediation

    • B. 

      B. Genetic engineering

    • C. 

      C. Epidemiology

    • D. 

      D. Immunology

    • E. 

      E. Taxonomy

  • 2. 
    Which of the following is not considered a microorganism?
    • A. 

      A. Mosquito

    • B. 

      B. Protozoa

    • C. 

      C. Bacteria

    • D. 

      D. Viruses

    • E. 

      E. Fungi

  • 3. 
    The study of the immune response to infection caused by microorganisms is         
    • A. 

      A. Hypersensitivity

    • B. 

      B. Epidemiology

    • C. 

      C. Immunology

    • D. 

      D. Morbidity

    • E. 

      E. Geomicrobiology

  • 4. 
    The microorganisms that recycle nutrients by breaking down dead matter and wastes are called:
    • A. 

      A. Decomposers

    • B. 

      B. Prokaryotes

    • C. 

      C. Pathogens

    • D. 

      D. Eukaryotes

    • E. 

      E. Fermenters

  • 5. 
    The microorganisms that do not have a nucleus in their cells are called     
    • A. 

      A. Decomposers

    • B. 

      B. Prokaryotes

    • C. 

      C. Pathogens

    • D. 

      D. Eukaryotes

    • E. 

      E. Fermenters

  • 6. 
    The Dutch merchant who made and used quality magnifying lenses to see and record microorganisms was         
    • A. 

      A. Francesco Redi

    • B. 

      B. Antonie van Leeuwenhoek

    • C. 

      C. Louis Pasteur

    • D. 

      D. Joseph Lister

    • E. 

      E. Robert Koch

  • 7. 
    The surgeon who advocated using disinfectants on hands and in the air prior to surgery was         
    • A. 

      A. Joseph Lister

    • B. 

      B. Ignaz Semmelweis

    • C. 

      C. Robert Koch

    • D. 

      D. Louis Pasteur

    • E. 

      E. Antonie van Leeuwenhoek

  • 8. 
    The term sterile means free of all life forms.
    • A. 

      True

    • B. 

      False

  • 9. 
    Microbes have been found existing in salty, acidic lakes.
    • A. 

      True

    • B. 

      False

  • 10. 
    What discovery was crucial to the founding of the field of microbiology?  
    • A. 

      A) Isolation of lepers limiting the spread of infectious disease

    • B. 

      B) Agglutination of bacteria in immune serum

    • C. 

      C) The chemical composition of DNA, the genetic material

    • D. 

      D) The development of ground optical lenses that allowed for the direct observation of microbes

  • 11. 
    The English scientist Robert Hooke coined the term cell because the small boxes he saw in the microscope reminded him of a monk’s room.  What is the cell theory that was later proposed?
    • A. 

      A) cells are fundamental units of life

    • B. 

      B) replication requires the division of cells into two equal cells

    • C. 

      C) hereditary information is passed on in the form of DNA

    • D. 

      D) all organisms are unicellular, made up of one cell

  • 12. 
    The first person to use a microscope to observe living cells was
    • A. 

      A) Robert Hooke

    • B. 

      B) Matthias Schleiden

    • C. 

      C) Anton van Leeuwenhoek

    • D. 

      D) Louis Pasteur

  • 13. 
    The curve in Pasteur's swan neck flasks was important because
    • A. 

      A) It prevented flies from escaping the flask

    • B. 

      B) It allowed only warm air to reach the infusion

    • C. 

      C) It trapped microbes that otherwise would have entered the flask

    • D. 

      D) It prevented oxygen from reaching organisms inside the flask

  • 14. 
    A pure culture refers to  
    • A. 

      A) a culture containing bacteria that all have the same shape

    • B. 

      B) a culture which has never been used to inoculate a patient

    • C. 

      C) a culture which causes only a single disease

    • D. 

      D) a culture which contains only a single type of organism

  • 15. 
    Disease causing agents account for about        _______    % of all microorganisms
    • A. 

      A) 99%

    • B. 

      B) 1%

    • C. 

      C) 10%

    • D. 

      D) 5%

    • E. 

      E) 75%

  • 16. 
    Prions are infectious agents composed of
    • A. 

      A) DNA

    • B. 

      B) RNA

    • C. 

      C) Proteins

    • D. 

      D) DNA and Proteins

    • E. 

      E) DNA and RNA

  • 17. 
    Bifidobacteria and Lactobacillus acidophillus are commonly used to produce
    • A. 

      A) Recombinant insulin

    • B. 

      B) Yogurt

    • C. 

      C) Wine

    • D. 

      D) Penicillin

  • 18. 
    An extremophillic bacterium used in “Bioremediation” is
    • A. 

      A) Neisseria gohorrhea

    • B. 

      B) Leuconostoc

    • C. 

      C) Chlamydia trachomatis

    • D. 

      D) Deinococcus radiodurans

  • 19. 
    Scientist that demonstrated that bacteria that spoiled food, beer and wine could be killed by short exposure to heat was
    • A. 

      A) Louis Pasteur

    • B. 

      B) Robert Koch

    • C. 

      C) Francesco Spanlanzani

    • D. 

      D) Theophrastus Phillipus Aureolus Bombastus van Hohenhiem

  • 20. 
    Aseptic technique was introduced by
    • A. 

      A) Ignaz Phillip Semmelwise

    • B. 

      B) Joseph Lister

    • C. 

      C) Louis Pasteur

    • D. 

      D) Antoine van Leuhenhook

  • 21. 
    Penicillin was discovered by
    • A. 

      A) Louis Pasteur

    • B. 

      B) Alexander Flemming

    • C. 

      C) Paul Erlich

    • D. 

      D) Robert Koch

  • 22. 
    A solution of pH 7 compared to a solution of pH 9
    • A. 

      A. Is more basic

    • B. 

      B. Has no OH- ions

    • C. 

      C. Has more H+ ions

    • D. 

      D. Has a higher pH

    • E. 

      E. All of the choices are correct

  • 23. 
    A solution of pH 7 compared to a solution of pH 9
    • A. 

      A. 2 times more acidic

    • B. 

      B. 20 times more acidic

    • C. 

      C. 20 times more basic

    • D. 

      D. 100 times more acidic

    • E. 

      E. 100 times more basic

  • 24. 
    Organic chemicals have a basic framework of the element_________bonded to other atoms.
    • A. 

      A. Carbon

    • B. 

      B. Nitrogen

    • C. 

      C. Oxygen

    • D. 

      D. Calcium

  • 25. 
    C6H12O6 + C6H12O6  à C12 H22O11 + H2O,  represents:
    • A. 

      A. Formation of a peptide bond

    • B. 

      B. A decomposition reaction

    • C. 

      C. Denaturation

    • D. 

      D. Formation of a polysaccharide

    • E. 

      E. Dehydration synthesis