TExES Science 7-12: Plant Biology 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. Xylem is composed of dead cells lined end to end. What is responsible for making these cells strong and durable even though they are no longer living?

Question 2 2. The attraction of water molecules to other water molecules is best described as:

Question 3 3. Which term best describes a group of species without a known common ancestor?

Question 4 4. What two factors are mainly responsible for the movement of water from the roots up through the leaves?

Question 5 5. Which of the following describes self-pollination?

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Question 6 6. Which structure associated with phloem carries out metabolic activities for the phloem?

Question 7 7. The functions of stems include which of the following?

Question 8 8. Palm trees have parallel veins, long leaves, vascular tissue, and flowers with groups of three petals. Based on this information, palm trees can best be classified as:

Question 9 9. Earth's atmosphere is made up of several components including carbon, oxygen, and nitrogen. About how much of the atmosphere is nitrogen?

Question 10 10. Which of the following best describes pollination?

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Question 11 11. Which of the following terms best describes a graphic display of the evolutionary relationships for organisms with a shared common ancestor?

Question 12 12. Plants that have cones rather than flowers for seed production are best known as:

Question 13 13. Which of the following does the word shoots refer to?

Question 14 14. Plants that have two cotyledons and flowers in groups of four or five are best known as:

Question 15 15. If a clade has a known common ancestor and displays all of its descendants, it is called:

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Question 16 16. Which of the following describes mucigel?

Question 17 17. Insects often eat leaves and other plant structures in order to obtain nutrients such as sugar. Which location in a plant will most likely provide sugars for the insect because it is a part of the phloem?

Question 18 18. The relationship between nitrogen-fixing bacteria and legumes can best be described as:

Question 19 19. When the weather is very hot, what will happen to the stomata?

Question 20 20. Which of the following is NOT an example of a sugar sink?

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Question 21 21. What layer of the leaf is responsible for photosynthesis?

Question 22 22. The release of water in plants, causing the change in water potential allowing for the movement of water in the xylem, is best known as:

Question 23 23. The individual units of xylem that have tapered ends are called:

Question 24 24. According to the phylogenetic tree, which organisms are the least related to each other evolutionarily?

Question 25 25. Which of the following is the best example of a sugar source?

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Question 26 26. Why are mosses, hornworts and liverworts small?

Question 27 27. Which of the following describes functions of the roots?

Question 28 28. Which of the following cause plant growth?

Question 29 29. Which of the following describes a primary root?

Question 30 30. The pressure flow hypothesis can be used to explain:

TExES Science 7-12: Plant Biology 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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