Food Microbiology

Attempt the following questions to check your understanding of the subject:

  1. Briefly explain the following tests
    1. Catalase test
    2. Gram stain test
    3. Indole test
    4. Nitrate test
    5. Oxidase test
  2. Discuss the effect of pH on microbial growth
  3. Explain hurdle technology as applied in food processing