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Microbiology Laboratory Techniques Lesson Plans Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. A pure culture contains

Question 2 2. Growth media is

Question 3 3. Calculate the final dilution in the following serial dilution: 1/10, 1/10, 1/10, 1/10, 1/10, 1/10, 1/10

Question 4 4. If you begin with 800 bacterial cells with a doubling time of 20 minutes, approximately how many bacteria will be present after 3 hours?

Question 5 5. Gram-positive bacteria have cell walls with

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Question 6 6. A cation is

Question 7 7. A differential media

Question 8 8. What is the generation time of a culture of bacteria if it grows from 100 cells to 800 cells in six hours?

Question 9 9. Given a final dilution of 1/2,000 and cell count of 100, what is total number of cells in the original culture tube?

Question 10 10. Gram-negative bacteria have cell walls with

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Question 11 11. The stage when no bacterial growth occurs is called the:

Question 12 12. Which of the following refers to the time required for one cell to become two cells?

Question 13 13. A mordant is

Question 14 14. A serial dilution is

Question 15 15. MacConkey agar

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Question 16 16. A differential staining procedure works on the principle that

Question 17 17. Environmental conditions that can influence bacterial growth include all of the following EXCEPT

Question 18 18. Which statement about the Gram stain is TRUE?

Question 19 19. A selective media

Question 20 20. Which of the following statements about bacterial growth is FALSE?

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Question 21 21. Growing bacteria is termed

Question 22 22. Calculate the final dilution in the following serial dilution: 1/5, 1/5, 1/10, 1/10, 1/2

Question 23 23. Blood agar is useful for

Question 24 24. Gram-negative bacteria appear

Question 25 25. In a simple stain

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Question 26 26. Dilution blank refers to

Question 27 27. This image would best be described as:

Question 28 28. The Gram stain is an example of

Question 29 29. In a differential stain

Question 30 30. Gram-positive bacteria appear

Microbiology Laboratory Techniques Lesson Plans Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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