FM Revision 1

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FM Revision 1

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Questions and Answers
  • 1. 
    Which essential structure of a bacterium surrounds the nucleiod?
    Discuss
  • 2. 
    Which group of microorganism is made up of ONLY unicellular organisms?
  • 3. 
    What are spores resistant to? Give ONE answer.
  • 4. 
    ___________ and resolution are two major characteristics of microscopes.
  • 5. 
    Which type of microscopic lenses focus light onto the specimen?
  • 6. 
    Higher magnification will result in decreased _____________.
  • 7. 
    Other than Gram stain, name another type of differential staining.
  • 8. 
    The purpose of using the Bunsen burner is to minimise presence of ______________.
  • 9. 
    What is the term used for a reagent that fixes the primary stain in the bacterial smear?
  • 10. 
    Which type of animal-like protists have pseudopods?
  • 11. 
    What is the term given for organisms that depend on other organisms for food?
  • 12. 
    Name ONE asexual mode of reproduction for eukaryotes.
  • 13. 
    Giardia lamblia is a type of __________________ protist.
  • 14. 
    Are protists prokaryotes or eukaryotes?
  • 15. 
    What does "ATP" stands for?
  • 16. 
    A _________________ sample area is needed for a fair comparison of results for the swab test.
  • 17. 
    An advantage of the conventional swab is that it is suitable for _____________ places.
  • 18. 
    What is produced as a results of the Bioluminescence Assay?
  • 19. 
    How are results from the Bioluminescence Assay expressed as?
  • 20. 
    How long should RODAC plates be incubated for?
  • 21. 
    Which direct contact method is not a fully quantitative test?
  • 22. 
    Passive and Active Air Monitoring only test for _________ counts.
  • 23. 
    A ________________ culture medium is used for Passive Air monitoring.
  • 24. 
    Which equipment test for both viable and non-viable counts for Air Monitoring?
  • 25. 
    Which type of media is used if you want microorganisms to multiply rapidly?
  • 26. 
    What is the name of the solidifying agent added to make solid media?
  • 27. 
    What is the name of the media that selectively cultivates Staphylococcus spp?
  • 28. 
    What component(s) of the differential media that allow colour changes to occur?
  • 29. 
    What is the pH indicator used in the citrate utilization test?
  • 30. 
    What is used to observe gas production for organisms that can ferment carbohydrates?
  • 31. 
    Name ONE plastic that can be autoclavable.
  • 32. 
    Which type of waste needs to be disposed of by licensed contractors only?
  • 33. 
    Which is more stringent - 2 class or 3 class sampling plan?
  • 34. 
    Is Bacillus cereus a Gram positive or a Gram negative bacteria?
  • 35. 
    What is the actual size, in um, of an organism which measured 125um using the 40x objective lens?
  • 36. 
    What kind of pressure is required within a food production area? Positive pressure or negative pressure?
  • 37. 
    What is the most significant coliform in the food industry?
  • 38. 
    What kind of protists cause Red Tide?
  • 39. 
    Name the sexual mode of reproduction for eukaryotes.
  • 40. 
    Gram positive bacteria has a thicker _____________ layer in the cell wall.
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