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Plant Biology: Homework Help 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. Why does secondary growth occur in dicots and not in monocots?

Question 2 2. Some plants, such as elm trees, lack one or more whorl of a flower. What term best describes these flowers?

Question 3 3. Nitrogen is part of what vital substance in plant cells?

Question 4 4. Palm trees have long leaves, vascular tissue and flowers. Based on this information, palm trees can best be classified as:

Question 5 5. What whorl in a flower contains the petals and attracts pollinators?

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Question 6 6. The relationship between nitrogen-fixing bacteria and legumes can best be described as:

Question 7 7. What structure is labeled in this diagram?

Question 8 8. Leaves attach to stems at _____ and the spaces between leaves are called _____.

Question 9 9. Which of the following correctly matches the root region with the process that occurs there?

Question 10 10. 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?

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Question 11 11. 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 12 12. A certain plant develops incomplete flowers that do not have a scent. Which of the following is the most likely method of pollination?

Question 13 13. The attraction of water molecules to other water molecules is best described as:

Question 14 14. When viewing a tree trunk, one observes that the rings vary in size. What causes some of these rings to be larger than others?

Question 15 15. Some flowers, such as daffodils and pansies, are often yellow in color. Which of the following is the most likely method of pollination?

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Question 16 16. The individual units of xylem that have tapered ends are called:

Question 17 17. 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 18 18. What process happens at the apical meristem to allow for plant stem growth that does not occur at other locations in the shoot system?

Question 19 19. The type of growth seen at the apical meristem is best known as _____ growth and will result in an increase in the _____ of the stem.

Question 20 20. Plants that have two cotyledons and flowers in groups of four or five are best known as:

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Question 21 21. Which of the following terms best describes when a grain of pollen from an anther is placed on a stigma?

Question 22 22. Which best describes the arrangement of the xylem and phloem in a monocot plant?

Question 23 23. Organisms that fix atmospheric nitrogen into a usable form for plants and humans are:

Question 24 24. The age of a tree can be determined by counting the number of rings. What structure are you looking at when you count these rings?

Question 25 25. Which of the following best describes the process of trees releasing water vapor?

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Question 26 26. Terminal buds are often accompanied by additional pairs of buds known as:

Question 27 27. Occasionally, there is a strange illness that kills bees. What is a likely side effect of this disease on plants?

Question 28 28. In roots, where will new growth occur?

Question 29 29. 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 30 30. Which of the following is true of vascular tissues in plants?

Plant Biology: Homework Help 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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