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Plant Biology Overview 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. Some wildflowers, like the spring beauty and the trillium, bloom for a very short period of time. These wildflowers complete their entire life cycle within this short growing period. Which term best describes these plants?

Question 2 2. Nitrogen is part of what vital substance in plant cells?

Question 3 3. Which plant hormone is used to promote fruit ripening?

Question 4 4. Which hormone is most responsible for stem elongation, root growth and cell differentiations?

Question 5 5. Which structure associated with phloem carries out metabolic activities for the phloem?

Page 2

Question 6 6. Some plants, such as strawberries, develop new flowering stems through the use of aboveground horizontal stems. Which term best describes these structures?

Question 7 7. Some roots are designed to store large amounts of sugars. In what part of the root are you most likely to find this sugar reserve?

Question 8 8. A farmer grows roses and wants to be able to sell freshly blooming roses throughout the year. In order to control the time of flowering in his greenhouse, which would be the best plan?

Question 9 9. Which of the following best describes the process of trees releasing water vapor?

Question 10 10. When the weather is very hot, what will happen to the stomata?

Page 3

Question 11 11. Some plants, such as daffodils and tulips, may produce both sexually and asexually. When these plants produce through vegetative propagation, from what structure will new plants develop?

Question 12 12. The relationship between nitrogen-fixing bacteria and legumes can best be described as:

Question 13 13. What is the purpose of root hairs?

Question 14 14. Vines grow straight until they find something to grow around. What is responsible for this adaptation?

Question 15 15. Lateral roots help to increase the absorption of water and minerals. What structure must they remain connected to in order to ensure these materials are transported to the rest of the plant?

Page 4

Question 16 16. What layer of the leaf is responsible for photosynthesis?

Question 17 17. Some pansy plants must be planted each year as they die at the end of a growing season. Which term best describes these types of plants?

Question 18 18. Which whorl of a flower contains anthers and filaments?

Question 19 19. Some plants, such as elm trees, lack one or more whorl of a flower. What term best describes these flowers?

Question 20 20. As woody plants increase in height, they need to add more vascular tissue to transport water and nutrients further. Where does this secondary growth occur?

Page 5

Question 21 21. Why is the stigma generally sticky?

Question 22 22. What type of cell can produce more tissue to transport water in a tree?

Question 23 23. Which of the following is NOT an example of a sugar sink?

Question 24 24. The meristem produces tissues that later develop into more specialized mature structures. Which of the following correctly pairs the early tissue with the mature tissue?

Question 25 25. 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:

Page 6

Question 26 26. Which of the following correctly pairs the cell produced in the meristem region with its final mature structure?

Question 27 27. When a seed germinates, what causes the roots to orient themselves downward?

Question 28 28. Which of the following correctly matches the root region with the process that occurs there?

Question 29 29. Which of the following is true of vascular tissues in plants?

Question 30 30. Which best describes the arrangement of the xylem and phloem in a monocot plant?

Plant Biology Overview 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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