IBDP HL Plant Science

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Across
  1. 2. The movement of water and minerals through plants
  2. 3. The force of attraction between water molecules
  3. 6. Small pores in the leaves
  4. 8. Strengthens the walls of the xylem
  5. 9. Plants that can tolerate dry conditions
  6. 10. An acid and a hormone that causes the stomata to close when a plant wilts.
  7. 14. The embryonic root
  8. 16. Where the compounds are delivered to for use or storage
  9. 17. Response to gravity
  10. 20. Plant response to water
  11. 21. Seed coat
  12. 22. Embryonic shoot (also called the epicotyl)
  13. 23. A technique used to produce large numbers of identical plants (clones) from a selected stock plant
  14. 25. Influence cell growth rates by changing the pattern of gene expression
  15. 27. Show negative phototropism
  16. 28. Process by which water enters the roots
  17. 31. Outer covering which protects the flower when in bud
  18. 32. Plants that can tolerate salty conditions
Down
  1. 1. Tapered xylem cells that exchange water solely via pits, leading to a slower rate of water transfer
  2. 4. Anther + filament
  3. 5. contains the food stores for the seed and forms the embryonic leaves
  4. 6. Where the organic compounds are synthesised
  5. 7. The force of attraction between water molecules and the walls of the xylem
  6. 11. A long day plant
  7. 12. Plants where Phloem and xylem vessels will be separated by the cambium (xylem on inside ; phloem on outside)
  8. 13. Used to measure the rate of transpiration
  9. 15. An example of a short day plant
  10. 18. Leaf pigments which are used by the plant to detect periods of light and darkness
  11. 19. Cells that help with the loading and unloading of the phloem
  12. 20. A factor that affects the rate of transpiration
  13. 23. Consists of undifferentiated cells that allow indeterminate growth
  14. 24. Transfer of pollen from the anther of one plant to the stigma of another
  15. 26. Refers to the small charges on a water molecule
  16. 29. A day neutral plant
  17. 30. Stigma + style + ovary