Practice - Colony Forming Unit (CFU)
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Practice Questions
Test your understanding with targeted questions
What does CFU stand for?
💡 Hint: Think about what we measure in microbiology.
What is a common medium used for culturing bacteria?
💡 Hint: Recall the substance that supports bacterial growth.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does CFU measure?
💡 Hint: Think about what CFU stands for.
True or False: Turbidity is always a reliable indicator of microbial contamination.
💡 Hint: Consider other factors that can contribute to turbidity.
1 more question available
Challenge Problems
Push your limits with advanced challenges
You perform a serial dilution of a water sample and find 50 CFUs on the agar plate from a 1:1000 dilution. How many CFUs were in the original sample?
💡 Hint: Remember to consider how much you diluted the original sample.
During a water quality test, a sample has high turbidity and you're unsure whether it's due to microorganisms or sediment. How would you proceed?
💡 Hint: Consider what the next logical step is to confirm microbial presence.
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