Starbucks Food Safety Practice Exam

How often can bacteria double under ideal conditions?

1. Every 10 minutes

2. Every 20 to 30 minutes

3. Every hour

4. Every 5 minutes

The correct answer is: Every 20 to 30 minutes

Bacteria have the ability to reproduce rapidly under ideal conditions, which include warmth, moisture, and an abundant food supply. The common doubling time for many types of bacteria, such as E. coli or Salmonella, typically falls within the range of 20 to 30 minutes. This rapid division means that a small number of bacteria can become millions in just a few hours if conditions remain favorable, making it crucial to maintain proper food safety practices to prevent foodborne illnesses. This understanding aligns with food safety principles; recognizing how quickly bacteria can proliferate highlights the importance of controlling temperature and time in food handling and storage. Proper refrigeration, cooking temperatures, and time management are vital in preventing bacterial growth.