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Food Microbiology: Importance and Microbial Testing

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Food Microbiology: Importance and Microbial Testing

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Questions and Answers

What is the primary goal of food microbiology?

To ensure the aesthetic appeal of food products

To reduce the production cost of food products

To provide clean, safe, and healthy food to consumers (correct)

To increase the shelf life of food products

What is the correlation between microbial count and food quality?

Decrease in microbial count correlates with an increase in food quality

Increase in microbial count correlates with a decrease in food quality, except for fermented foods (correct)

Increase in microbial count correlates with an increase in food quality

Microbial count has no correlation with food quality

What is the purpose of enumeration in food microbiology?

To determine the source of microorganisms in a food sample

To count the number of microorganisms present in a food sample (correct)

To assess the nutritional value of a food sample

To identify the type of microorganisms present in a food sample

What is the primary reason for testing foods for microbial growth?

To ensure the food meets microbiological guidelines and standards Signup and view all the answers

What is the purpose of a colony counter in food microbiology?

To count the number of microorganisms present in a food sample Signup and view all the answers

How are solid food samples typically collected for microbial testing?

By weighing the sample for consistency Signup and view all the answers

What is the primary purpose of using a sponge or swab in food testing?

To collect samples by swabbing defined areas Signup and view all the answers

What is the purpose of the dilution series in the food testing process?

To prepare a range of concentrations for culture Signup and view all the answers

What is the term for the number of microorganisms present in a sample, as expressed in the test report?

Colony-Forming Units (CFU) per mg of food Signup and view all the answers

What is the term for microorganisms that are alive but unable to grow in culture due to nutrient limitation?

Viable but non-culturable cells (VBNC) Signup and view all the answers

What is the purpose of using RODAC contact plates in testing the food environment?

To detect and count microorganisms on surfaces Signup and view all the answers

Why is it important to collect representative samples in food testing?

To ensure accurate results Signup and view all the answers