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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does CFU stand for?
💡 Hint: Think about how we count colonies.
Question 2
Easy
Why do we perform serial dilutions?
💡 Hint: Consider how we visualize microbial growth.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does the term CFU represent?
- Concentration Forming Unit
- Colony Forming Unit
- Cellular Formation Unit
💡 Hint: Think about how we track the growth of colonies.
Question 2
True or False: The plate count method measures both living and dead cells.
- True
- False
💡 Hint: Recall the definition of viable cell counts.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the CFU/mL if you plated 0.1 mL of a 10^-4 dilution and counted 120 colonies on that plate. What is the original concentration?
💡 Hint: Recall the formula and focus on the dilution factor.
Question 2
Discuss how you would redesign a study that relies on the plate counting method to improve accuracy and reduce potential errors.
💡 Hint: Think about the sources of error and how to mitigate them.
Challenge and get performance evaluation