Microbiology Laboratory Techniques 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. Calculate the final dilution in the following serial dilution: 1/5, 1/5, 1/10, 1/10, 1/2

Question 2 2. Gram-negative bacteria have cell walls with

Question 3 3. A cation is

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. A pure culture contains

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Question 6 6. What is the generation time of a culture of bacteria if it grows from 100 cells to 800 cells in six hours?

Question 7 7. A differential staining procedure works on the principle that

Question 8 8. A mordant is

Question 9 9. Gram-negative bacteria appear

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

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Question 11 11. 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 12 12. A selective media

Question 13 13. The stage when no bacterial growth occurs is called the:

Question 14 14. Environmental conditions that can influence bacterial growth include all of the following EXCEPT

Question 15 15. In a differential stain

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Question 16 16. Which of the following refers to the time required for one cell to become two cells?

Question 17 17. Which statement about the Gram stain is TRUE?

Question 18 18. Which of the following statements about Gram staining is TRUE?

Question 19 19. This image would best be described as:

Question 20 20. Growing bacteria is termed

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Question 21 21. In a negative stain

Question 22 22. Which option lists the major components of the Gram stain in the proper order?

Question 23 23. Which of the following statements about bacterial growth is FALSE?

Question 24 24. A serial dilution is

Question 25 25. Blood agar is useful for

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Question 26 26. The Gram stain is an example of

Question 27 27. Calculate the final dilution in the following serial dilution: 1/10, 1/10, 1/10, 1/10, 1/10, 1/10, 1/10

Question 28 28. A differential media

Question 29 29. Gram-positive bacteria appear

Question 30 30. Dilution blank refers to

Microbiology Laboratory Techniques 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!

Microbiology 101: Intro to Microbiology  /  Science Courses
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