Exam Questions / Microbiology


Written by MicroDok
  1. Briefly describe aseptic technique; and mention any 4 aseptic techniques observed in microbiology laboratory.
  2. Explain the term culture as it pertains to microbiology; and mention 3 methods of isolating pure cultures in the laboratory.
  3. Outline four (4) biochemical tests used for the identification of bacteria in the microbiology laboratory and briefly explain any one of them.
  4. Explain microscopy; and enumerate the four (4) types of microscopy that you were taught.
  5. Explain what is involved in isolating microorganisms and why it is necessary.
  6. Compare and contrast two common laboratory techniques for separating bacteria in a mixed sample.
  7. Describe how an isolated colony forms.
  8. Describe the steps you would take to confirm the identity of a named microbial pathogen isolated from a urine sample.
  9. . Microorganisms are ubiquitous. Explain briefly.
  10. With examples define microorganisms.
  11. What is microscopy?
  12. Enumerate and briefly explain 4 types of microscopy.
  13. Succinctly explain with examples aseptic techniques as it is applied to the study of microbiology.
  14. Outline any 5 parts of a microscope that you know.
  15. What is sterilization?
  16. With explains describe briefly culture media.
  17. Outline any five biochemical tests used in microbiology laboratory for identifying microbes.
  18. When is a bacterium said to be dead?
  19. Outline and explain briefly the 4 growth phases of bacteria.
  20. Differentiate between aerobic and anaerobic bacteria.
  21. As an undergraduate microbiology student, itemize the microbiological analytical procedure to be carried out on food samples to check for bacterial contamination in food.
  22. Briefly explain the different types of media for culturing or supporting the growth of microorganisms in the laboratory.
  23. Why is the process of viable count usually preceded by the procedure of serial diulution?
  24. Discuss the classical or phenetic methods of bacteria identification.

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