Certified Professional Food Safety (CP-FS) Practice Exam 2026 - Free CP-FS Practice Questions and Study Guide

Storing foods without lids should be avoided because it significantly increases the risk of contamination and spoilage. Lids or covers help protect food from airborne contaminants, prevent moisture loss, and reduce the chances of cross-contamination from other food items. For example, uncovered food can easily absorb odors from other items in the refrigerator and may also become dry or develop a film on the surface, compromising its quality and safety.

In contrast, storing raw meats is a necessary practice but must be done carefully to prevent cross-contamination. Proper storage of meats should involve keeping them in sealed containers or on plates to separate them from other foods. Storing foods in glass containers is typically considered safe and can be beneficial due to the non-reactive nature of glass. Finally, storing foods at the correct temperature range is essential for food safety, as it helps inhibit the growth of pathogens.