Practice Microbial Analysis As Particles (4.1) - Monitoring and Measurement of Microorganisms

Practice: Microbial Analysis as Particles

Lesson 4.1Monitoring and Measurement of Microorganisms

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9 questions

Flashcard drill
4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does CFU stand for?
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Think about how we count bacteria.
Question 2.
What does filtration help to achieve in microbial analysis?
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Focus on the physical process of separating.
3Question 3.
What does the CPCB standard refer to?
- Number of pathogens allowed in drinking water
- Maximum turbidity in water
- Minimum pH level of water
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Think about what the CPCB aims to monitor in water.
4Question 4.
True or False: Non-viable microorganisms can still cause infections.
- True
- False
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Consider the definitions of viable versus non-viable organisms.
Question 5.
If a water sample has an initial count of 100 bacteria and we dilute it by a factor of 10, how many colonies would you expect to see if you count 5 colonies after culture?
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Remember the dilution factor concept and how it affects colony calculations.
Question 6.
Discuss the implications of using turbidity levels alone to assess water quality in the presence of unknown pathogens.
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Consider the depth of analysis needed for comprehensive water quality assessments.

5 more questions in this section. Enroll free to practise them all.