Quality Control Officer and Microbiologist

Quality Control Officer and Microbiologist Interview Questions and Answers

Updated 12 Jul 2025
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5d ago

Q. What are the Food poisoning bacteria? What is detection methods for bacteria? Name of the various type of media for cultivation of bacteria?

Ans.

Food poisoning bacteria include Salmonella, E. coli, Listeria, and Campylobacter. Detection methods include PCR and culture-based methods. Various types of media for cultivation include MacConkey agar, Blood agar, and Sabouraud agar.

  • Food poisoning bacteria include Salmonella, E. coli, Listeria, and Campylobacter

  • Detection methods include PCR and culture-based methods

  • Various types of media for cultivation include MacConkey agar, Blood agar, and Sabouraud agar

Q. Example of gram positive and negative bacteria

Ans.

Gram positive bacteria have thick cell walls retaining crystal violet stain, while gram negative bacteria have thin cell walls and do not retain the stain.

  • Gram positive bacteria: Staphylococcus aureus, Streptococcus pneumoniae

  • Gram negative bacteria: Escherichia coli, Pseudomonas aeruginosa

Quality Control Officer and Microbiologist Interview Questions and Answers for Freshers

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Q. What is the difference between bacteria and fungi?

Ans.

Bacteria are single-celled prokaryotic organisms, while fungi are eukaryotic organisms that can be single-celled or multicellular.

  • Bacteria are prokaryotic, meaning they lack a nucleus and other membrane-bound organelles, while fungi are eukaryotic with a nucleus and organelles.

  • Bacteria reproduce asexually through binary fission, while fungi reproduce sexually or asexually through spores.

  • Bacteria have a cell wall made of peptidoglycan, while fungi have a cell wall made of chit...read more

Q. Validation of Mlt

Ans.

Validation of Mlt is a process to ensure that the results obtained from the test are accurate and reliable.

  • Validation of Mlt involves testing the accuracy, precision, and specificity of the test.

  • It also involves verifying that the test is sensitive enough to detect the target analyte.

  • Validation should be performed whenever a new test is introduced or when there are changes to an existing test.

  • Examples of validation parameters include limit of detection, limit of quantificatio...read more

Quality Control Officer and Microbiologist Jobs

Britannia logo
Quality Control Officer Microbiologist 2-4 years
Britannia
4.0
Pune
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