25 Plant Nutrition Questions

25 Plant Nutrition Questions - the roots of a plant. 6....

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Biol 104, Dr. Espinoza, S10 Study Sheet for Chapter 25 Nutrition & Transport in Plants Biology 104 Modified with permission from Dr. Denny Smith Some of this information will be found in your readings, some in your lecture notes. 1. What are the three most common elements needed by plants, and how are they obtained? 2. Distinguish between macronutrients and micronutrients, and what are the 16 essential nutrients, both macro- and micronutrients. 3. What is soil? What are the three components of soil? Additionally, what are the three layers (horizons) of soil? Which one has the most organic matter? Which the most inorganic minerals? 4. What is root pressure? How is it related to guttation? 5. Explain the events involved in the cohesion-tension model of xylem transport. Be sure to explain the relationship between transpiration by the leaves and the uptake of water by
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Unformatted text preview: the roots of a plant. 6. What is the major advantage and what is the major disadvantage for a plant having a cuticle? 7. Distinguish between stoma (pl. stomata) and guard cells. 8. What is the function of stomata? 9. Explain in detail how guard cells open and close. (What element is involved in this process?) 10. Where and how are organic compounds produced in a plant? How and where are organic compounds stored in a plant? How are organic compounds transported in a plant? 11. How does transport in phloem differ from transport in xylem in terms of directional flow of the sap? 12. Explain in detail the pressure-flow model of the movement of materials through the phloem of flowering plants. (Be sure to include in your explanation the source and sink regions)....
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