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Chapter 7. Roots What are three functions of roots? Some roots have other functions in addition to the above three. Name an example of at least one species in which the roots do the following: Store carbohydrate during winter Produce shoot buds that can act as new plants Grow out of the trunk and harden into spines Act as holdfasts Attack other plants and draw water and nutrient out of themm What are the two types of root systems? What are adventitious? What are the different zones of a root? What part of the root is capable of detecting gravity? a. d. 4 7.What are the Casparian strips and on which cell walls are they located? 8. Which part of the root produces the primordia for lateral roots? What are prop roots? 10. What are contractile root? 11. What are parasitic roots? Name two examples of parasitic roots. 12. What is a mycorrhizal association? 13.What benefit does the plant derive from this association? 14. Describe the structure of a nitrogen-fixing nodule 15. Root nodules are not 16 Many plants are parasitic on other plants. These parasitic plants have modified roots called 17. Describe some of the ways that parasitic root penetrates the host stem or root association. Plants and bacteria both benefits. The bacteria are the plants, nor are the plants the bacteria
