Question 1
Which water activity (aw) threshold is generally accepted as the MINIMUM below which most pathogenic bacteria cannot grow?
Correct Answer:
0.85
Question 2
By FDA regulation, a low-acid food is defined as having a finished equilibrium pH GREATER than which value?
Correct Answer:
4.6
Question 3
The D-value of a microorganism at a given temperature represents:
Correct Answer:
The time required to reduce the population by 1 log (90%)
Question 4
What is the standard '12-D' thermal process for low-acid canned foods designed to achieve?
Correct Answer:
A 12-log reduction of Clostridium botulinum spores
Question 5
The Z-value of a thermal death curve represents:
Correct Answer:
The temperature change in °C that produces a 10-fold change in D-value
Question 1
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About this Exam

Prepare with the IFT CFS Practice Questions - IFT Certified Food Scientist (CFS) Exam practice quiz. This question bank includes 100 questions covering food, typically, uses, approximately, and packaging. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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IFT CFS Practice Questions - IFT Certified Food Scientist (CFS) Exam

This practice set contains 100 questions from the matching question bank and focuses on food, typically, uses, approximately, and packaging. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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