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Food & Industrial Microbiology Overview 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 "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!

Page 1

Question 1 1. Genetic engineering

Question 2 2. A microbial factory

Question 3 3. Which of the following are advantages of using Pseudomonas to produce vitamin B12

Question 4 4.

What is true about salting food for preservation?

I. High salt levels kill many microbes by dehydrating them

II. High salt content, in essence, dries the food out, getting rid of a water source

III. High salts content kills all microbes

Question 5 5. Why is canning such an effective method of killing microbes?

Page 2

Question 6 6. How does drying food kill microbes?

Question 7 7. A bioremediator is

Question 8 8. Which of the following statements is FALSE?

Question 9 9. Bioaugmentation is

Question 10 10. Biotechnology has been around for how long?

Page 3

Question 11 11. GMO stands for _____.

Question 12 12. Which of the following best describes microbes?

Question 13 13. Yeast are added to sourdough bread to

Question 14 14. Lactic acid bacteria can be found in all of the following places EXCEPT

Question 15 15. To make sauerkraut, you would use all of the following EXCEPT

Page 4

Question 16 16. What is occurring during biostoning?

Question 17 17. Sources of indigo dye include:

Question 18 18. Using cellulase to soften stiff cotton fabrics is called

Question 19 19. Saccharomyces cerevisiae is

Question 20 20. During fermentation, ethanol is

Page 5

Question 21 21. Fermentation requires

Question 22 22. The factor that is most responsible for the flavors and colors of cheeses such as blue cheese and Roquefort is

Question 23 23. Curdling is

Question 24 24. Rennin is often added to cheeses to

Question 25 25. _____ are made from naturally occurring substances. In contrast, _____ are made from synthetic chemicals.

Page 6

Question 26 26. Which of the following statements about citronella oil is true?

Question 27 27. A(n) _____ is a specific type of _____ used to control or kill insect pest species.

Question 28 28. What is a bacterial colony?

Question 29 29. Which type of bacteria are often used for the Ames test?

Question 30 30. What is the purpose of the rat liver enzymes in the Ames test?

Food & Industrial Microbiology Overview 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 "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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