Introduction to Biology Topics 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. The xylem is responsible for the transport of what material and in what direction?

Question 2 2. What is NOT true about freshwater biomes?

Question 3 3. Which of the following is a type of reproductive barrier?

Question 4 4. How many types of terrestrial ecosystems are there?

Question 5 5. What type of reproduction is vegetative propagation?

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Question 6 6. Humans add phosphorus to the phosphorus cycle through _____.

Question 7 7. Prezygotic barriers

Question 8 8. Why isn't the phosphorus cycle considered a true cycle?

Question 9 9. Commensalism is only observed in animals.

Question 10 10. Which of the following is not a terrestrial ecosystem?

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Question 11 11. Oxygen and carbon dioxide pass to and from the bloodstream through the:

Question 12 12. Reptiles, Arachnids, and birds are most of the animals that live in which ecosystem?

Question 13 13. What is the role of the vitelline membrane?

Question 14 14. Two different species interbreed but the offspring does not survive. This is an example of a(n)

Question 15 15. All angiosperms have:

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Question 16 16. Mechanical isolation

Question 17 17. Which terrestrial ecosystem has the greatest diversity of plant and animal species?

Question 18 18. _____ percent of marine life lives in the upper zone of the ocean that receives sunlight.

Question 19 19. What is the purpose of the binomial nomenclature system?

Question 20 20. Plants 'breathe' in _____and 'breathe' out _____

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Question 21 21. Which of the following is NOT a type of non-vascular plant?

Question 22 22. The trachea branches twice, and then those branch again, and so on. How many total times does branching occur from the trachea to the alveoli?

Question 23 23. The temperature of the ocean is _____ all over the world.

Question 24 24. How much DNA is found inside the nucleolus of the unfertilized ovum?

Question 25 25. Which of the following would not be considered mechanical isolation?

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Question 26 26. In commensalism, both species must benefit from the relationship.

Question 27 27. Which of the following is a nonrenewable natural resource?

Question 28 28. What percentage of absorption takes place in the small intestine?

Question 29 29. The temperatures in Siberia are very cold, and only certain organisms can live in this harsh environment. This is an example of ______.

Question 30 30. What is the function of the rhizoids?

Introduction to Biology Topics 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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