Soils and Plant Nutrition Practice Test 2008

  1. List one function of a leaf, two functions of a stem and three functions of roots.
  2. Describe a leaf, stem and root adaptation that humans use to their advantage.
  3. The best way to pickup up a seedling is by its ______________________.
  4. If you have no specific instructions, how deep should a seed be planted?
  5. Explain what is meant by a soil's texture.
  6. Rank the three soil particle sizes (that determine texture) from biggest to smallest.
  7. Describe the three components of a typical soil.
  8. What is the name of your soil? ___________________________
  9. Use the factors in soil formation (PCOTT) to describe your soil.
  10. Plant nutrients are classified as major/minor and mobile/immobile. Compare and contrast these two ways of thinking about plant nutrients.
  11. List three mobile nutrients.
  12. List four minor elements needed for photosynthesis.
  13. Where do plants get most of their carbon?
  14. When it comes to plant nutrients can there be too much of a good thing? Explain.
  15. What is the most effective way to improve soil structure?
  16. List the three key plant nutrients.
  17. For each nutrient, describe why it is important for the plant.
  18. What is pH?
  19. How can pH affect a plant's growth?
  20. The fertilizer package reads 20 - 15 - 5. Explain what that means.