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Ocean Floors & Basins 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!

Page 1

Question 1 1. Where do most island arcs form?

Question 2 2. What causes motion in the tectonic plates?

Question 3 3. Which of the following features always accompanies an island arc?

Question 4 4. A geologist is studying a region with a wide continental shelf. Of the available options, what are they most likely studying?

Question 5 5. While studying a certain area, a geologist observes that the region is mountainous with earthquake and volcanic activity. What kind of area is the geologist studying?

Page 2

Question 6 6. Which of the following is NOT a true statement?

Question 7 7. What is the name for the point where the continental shelf ends?

Question 8 8. Why do continental shelves contain plenty of animal and plant life compared to the rest of the ocean?

Question 9 9. How wide is the largest continental shelf in the world?

Question 10 10. Which of these characteristics of an ocean trench is NOT true?

Page 3

Question 11 11. What is NOT true about the formation of ocean trenches?

Question 12 12. What is a subduction zone?

Question 13 13. Which of the following is a top predator in the hydrothermal vent ecosystem?

Question 14 14. Which of the following is the cause of deep-sea hydrothermal vents?

Question 15 15. Why are photosynthetic organisms not present in deep-sea hydrothermal vent ecosystems?

Page 4

Question 16 16. What percentage of the ocean floor is made up of continental slopes?

Question 17 17. Which part of the continental margin is the steepest?

Question 18 18. Which ocean has the steepest continental slopes?

Question 19 19. Which term describes the deformation of the earth's crust due to the movement of plates?

Question 20 20. Why does tectonic plate activity occur?

Page 5

Question 21 21. Which of the following is NOT true of the oceanic ridge system?

Question 22 22. Abyssal plains are covered in what?

Question 23 23. What is not true of abyssal plains?

Question 24 24. What sea creature does not live near the abyssal plains?

Question 25 25. How much of the world's sediments wind up at the continental rises?

Page 6

Question 26 26. The continental rise is an area where sediments accumulate from a number of places. Where are the sediments not coming from?

Question 27 27. What is not true of the continental rise?

Question 28 28. Which theory explains the dynamics of the earth's surface resulting from the interaction of overlying rigid plates with the underlying mantle?

Question 29 29. The occurrence of which process leads to the creation of oceanic ridges?

Question 30 30. What is a small elevated land form that rises from the depths of the ocean?

Ocean Floors & Basins 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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