Biology Final - Microbiology

30 Questions

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Microbiology Quizzes & Trivia

Biology final review on micriobiology


Questions and Answers
  • 1. 
    A typical virus consits of...
    • A. 

      A protein coat and a cytoplasm core

    • B. 

      A carbohydrate coat and a nucleic acid core

    • C. 

      A protein core and a nucleic acid core

    • D. 

      A polysaccharide coat and a nucleic acid core

  • 2. 
    A virus that has been genetically altered to reduce its virulence is known as a (n)
    • A. 

      Inactivated virus

    • B. 

      Annenuated virus

    • C. 

      Virulent virus

    • D. 

      Provirus

  • 3. 
    Bacterial cells...
    • A. 

      Have a cell wall only

    • B. 

      Have a cell membrane only

    • C. 

      Have both a cell membrane and a cell wall

    • D. 

      Have a cell wall inside their cell membrane

  • 4. 
    Viruses...
    • A. 

      Are cellular organisms

    • B. 

      Reproduce only in living cells

    • C. 

      Have nuclei and organelles

    • D. 

      Are surrounded by polysaccharide coat

  • 5. 
    • A. 

      Conjugation

    • B. 

      Transformation

    • C. 

      Binary fission

    • D. 

      Transduction

  • 6. 
    Algae are different the other protists because algae are:
    • A. 

      Prokaryotic

    • B. 

      Ingestive heterotrophs

    • C. 

      Absorptive heterotrophs

    • D. 

      Photoautotrophs

  • 7. 
    The process by which bacteria reproduce is known as:
    • A. 

      Mitosis

    • B. 

      Sexual reproduction

    • C. 

      Binary fusion

    • D. 

      Binary fission

  • 8. 
    It is important to distinguish between Gram-negative and Gram-positive bacteria in diagnosing a bacterial infection because:
    • A. 

      Gram-negative and Gram-positive bacteria respond to different antibiotics

    • B. 

      Gram-positive bacteria never cause fatal diseases

    • C. 

      Gram-positive bacteria destroy antibiotics, preventing them from working

    • D. 

      Gram-positive bacteria don't respond to any antibiotics

  • 9. 
    Bacteria whose cells are rod shaped are classified as:
    • A. 

      Cocci

    • B. 

      Bacilli

    • C. 

      Spirilli

  • 10. 
    Bacteria whose cells are round/spherical are classified as:
    • A. 

      Cocci

    • B. 

      Bacilli

    • C. 

      Spirilli

  • 11. 
    Protists are different from bacteria because protists:
    • A. 

      Are relatively simple

    • B. 

      Have prokaryotic cells

    • C. 

      Have eukaryotic cells

    • D. 

      Lack a nucleus

  • 12. 
    Animal-like protists are animal like because animal-like protists are:
    • A. 

      Prokaryotic

    • B. 

      Ingestive heterotrophs

    • C. 

      Absorptive heterotrophs

    • D. 

      Photoautotrophs

  • 13. 
    The prokaryotic organisms that are most similar to the first life on Earth are the:
    • A. 

      Eubacteria

    • B. 

      Bacteriophages

    • C. 

      Archaebacteria

    • D. 

      Viruses

  • 14. 
    • A. 

      Kingdom Archaebacteria

    • B. 

      Kingdom Eubacteria

    • C. 

      Kingdom Animalia

    • D. 

      Kingdom Protista

  • 15. 
    A substance that kills bacteria that interferes with their cellular functions is a(n):
    • A. 

      Antibiotic

    • B. 

      Antibody

    • C. 

      Vaccine

    • D. 

      Exotoxin

  • 16. 
    Bacteria whose cells are arranged into grape-like clusters are classified as:
    • A. 

      Mono-

    • B. 

      Diplo-

    • C. 

      Strepto-

    • D. 

      Staphlo-

  • 17. 
    Bacteria that stain purple and have a thick cell wall of peptidoglycan are the:
    • A. 

      Archaebacteria

    • B. 

      Gram-positive bacteria

    • C. 

      Gram-negative bacteria

    • D. 

      All of the above

  • 18. 
    Bacteria lack a true nucleus and membrane-bound organelles; therefore, they are classified as:
    • A. 

      Prokaryotes

    • B. 

      Aerobes

    • C. 

      Anaerobes

    • D. 

      Eukaryotes

  • 19. 
    Bacteria whose cells are arranged into straight chains or filaments are classified under:
    • A. 

      Mono-

    • B. 

      Diplo-

    • C. 

      Strepto-

    • D. 

      Staphylo-

  • 20. 
    Which of the following groups of algae has the most characteristics in common with plants?
    • A. 

      Red algae

    • B. 

      Golden algae

    • C. 

      Green algae

    • D. 

      Brown algae

  • 21. 
    One difference between the archaebacteria and eubacteria is that the archaebacteria:
    • A. 

      Have peptidoglycan in their cell walls

    • B. 

      Don't have peptidoglycan in their cell walls

    • C. 

      Have a nucleus

    • D. 

      Don't have a nucleus

  • 22. 
    In which type of cell cycle(s) does viral DNA become integrated into the host cell's DNA?
    • A. 

      Lytic

    • B. 

      Lysogenic

    • C. 

      Neither lytic or lysogenic

    • D. 

      Lytic and Lysogenic

  • 23. 
    • A. 

      They divide into two identical cells

    • B. 

      They divide into two non-identical cells

    • C. 

      Their offspring have genes that the parents don't have

    • D. 

      They form a multicellular stage

  • 24. 
    Protists are different from animals, plants and the fungi because protists are:
    • A. 

      Relatively simple

    • B. 

      Have prokaryotic cells

    • C. 

      Have eukaryotic cells

    • D. 

      Lack a nucleus

  • 25. 
    The archae that thrive in hot acidic environments are the:
    • A. 

      Thermoacidophiles

    • B. 

      Exteme halophiles

    • C. 

      Methoanogens

    • D. 

      Cyanobacteria

  • 26. 
    • A. 

      Conjugation

    • B. 

      Transformation

    • C. 

      Transduction

    • D. 

      Binary fission

  • 27. 
    When a bacterial cell absorps a gene from the environment, it is called:
    • A. 

      Conjugation

    • B. 

      Transformation

    • C. 

      Transduction

    • D. 

      Binary fission

  • 28. 
    The capsid of a virus is the
    • A. 

      Protective outer coat

    • B. 

      Cell membrane

    • C. 

      Nucleus

    • D. 

      Cell wall and membrane complex

  • 29. 
    • A. 

      Plasmodian

    • B. 

      African Sleeping Bug

    • C. 

      Parasite

    • D. 

      None of the above

  • 30. 
    Which of the following is an example of how microogranisms DO NOT benefit humans?
    • A. 

      Fungi-like protists help make food for humans, such as beer, wine, cheese, and soy products

    • B. 

      Algae protists make food us like seaweed

    • C. 

      When a virus makes us sick, our immune system recognizes it, so we don't get it again in the future

    • D. 

      Algae creates algo-blooms and red-tides, which harm bodies of water