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Microorganisms & the Environment 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. Hydrogen sulfide:

Question 2 2. Hydrothermal vents occur as a result of:

Question 3 3. A protozoan, spread by feces contaminated material, which may cause diarrhea in humans is called:

Question 4 4. Deep water vent bacteria:

Question 5 5. Organisms that make organic compounds from energy that is derived from inorganic molecules are:

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Question 6 6. How is it possible to conclude that eutrophication of bodies of water has occured?

Question 7 7. Organisms with an anaerobic metabolism that can live in oxygen or oxygen-free environments are known as:

Question 8 8. An organism that needs oxygen to grow is known as:

Question 9 9. Identify the conversion which represents nitrification.

Question 10 10. Which of the following is NOT a source of nitrogen that is available to plants?

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Question 11 11. Identify the statement that is NOT true about acid rain.

Question 12 12. We can guess that drinking water has been contaminated by:

Question 13 13. A heat loving microbe is most properly termed:

Question 14 14. A bacterium, spread by feces contaminated material, which may cause diarrhea in humans is called:

Question 15 15. The relationship between nitrogen-fixing bacteria and legumes can best be described as:

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Question 16 16. Which of the following is an example of a heat stable DNA polymerase?

Question 17 17. Earth's atmosphere is made up of several components including carbon, oxygen, and nitrogen. About how much of the atmosphere is nitrogen?

Question 18 18. Strain 121 showed that:

Question 19 19. When burned, which fossil fuel will release the greatest amount of pollution into the air?

Question 20 20. Organisms that use an anaerobic metabolism to grow and are killed in the presence of oxygen are known as:

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Question 21 21. Geogemma barossii is colloquially known as:

Question 22 22. Organisms that prefer to grow using aerobic metabolic processes but can switch to an anaerobic metabolism in the absence of oxygen are known as:

Question 23 23. Organisms that fix atmospheric nitrogen into a usable form for plants and humans are:

Question 24 24. One of the most common bacteria found in the soil and the intestinal tract of animals is known as:

Question 25 25. What term describes the process of converting atmospheric nitrogen to ammonia?

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Question 26 26. Tubeworms:

Question 27 27. Which of the following is a good way to try and combat pathogens found in feces?

Question 28 28. Nitrogen is part of what vital substance in plant cells?

Question 29 29. Methanogens, acetogens, and staphylococcus are all examples of:

Question 30 30. Thermus aquaticus is associated with:

Microorganisms & the Environment 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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