Washington EOC Biology Grade 10: Matter & Energy Cycles 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. Living organisms return carbon back to the atmosphere in the form of CO2 through which process?

Question 2 2. When ammonium is changed into nitrates, it is called:

Question 3 3. Ammonification refers to the change of nitrogen to:

Question 4 4. Carbon is found:

Question 5 5. Bacteria that live on the roots of some plants and change nitrogen into ammonium are called:

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Question 6 6. Carbon can be suspended for hundreds or even millions of years in which of the following?

Question 7 7. Which of the following is the best explanation for why we study the carbon cycle on a global scale and not as much in specific local ecosystems?

Question 8 8. What is the largest pool of carbon on the planet?

Question 9 9. Your body needs nitrogen for which of the following?

Question 10 10. All of the following are stops along the nitrogen cycle, except:

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Question 11 11. Decomposition is the process by which:

Question 12 12. Carbon is taken from the air to make food by the process of:

Question 13 13. Which of the following is not a way in which carbon can exit living plant material in the carbon cycle?

Question 14 14. Which of the following processes takes carbon out of the short-term carbon cycle?

Question 15 15. What is the primary source of carbon that can be used by plants?

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Question 16 16. Which is true of nitrogen-fixing bacteria?

Question 17 17. When nitrates are returned to N2, it is called:

Washington EOC Biology Grade 10: Matter & Energy Cycles 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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