← Biology / 2 Anatomy and Physiology of Plants

2.3 Excretion in Plants

Biology · Grade 11 · 22 lessons in the design

What you will be able to do

  • describe ways through which plants eliminate waste products
  • demonstrate ways through which plants eliminate waste products
  • outline the economic importance of plant excretory products
  • recognise the importance of excretory products in plants

Key questions

“How do plants eliminate waste products?”

“How do humans use plant excretory products?”

Lessons

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  1. Meaning and importance of excretion
    40 min · 1 practice tasks · quiz
    Explain the meaning and importance of excretion in plants.
  2. Why plants lack complex excretory structures
    40 min · 1 practice tasks · quiz
    Explain why plants do not need complex excretory organs.
  3. Methods of excretion in plants
    40 min · 1 practice tasks · quiz
    Name the methods plants use to remove waste.
  4. Transpiration as excretion
    40 min · 1 practice tasks · quiz
    Explain how transpiration removes waste.
  5. Excretion by diffusion
    40 min · 1 practice tasks · quiz
    Explain how gases leave a plant by diffusion.
  6. Excretion by deposition
    40 min · 1 practice tasks · quiz
    Explain how plants store waste by deposition.
  7. Organ and tissue fall
    40 min · 1 practice tasks · quiz
    Explain how shedding removes waste.
  8. Exudation
    40 min · 1 practice tasks · quiz
    Explain excretion by exudation.
  9. Guttation
    40 min · 1 practice tasks · quiz
    Explain guttation.
  10. Oxygen as a waste product
    40 min · 1 practice tasks · quiz
    Explain oxygen removal and its importance.
  11. Carbon dioxide removal
    40 min · 1 practice tasks · quiz
    Explain how carbon dioxide is removed and used.
  12. Nitrogenous waste in plants
    40 min · 1 practice tasks · quiz
    Explain how plants handle nitrogenous waste.
  13. Storage of waste in plants
    40 min · 1 practice tasks · quiz
    Explain how plants store waste in cells and tissues.
  14. Demonstrating excretion in plants
    40 min · 1 practice tasks · quiz
    Describe experiments showing plant excretion.
  15. Plant excretory products
    40 min · 1 practice tasks · quiz
    Name the common plant excretory products.
  16. Latex and resins
    40 min · 1 practice tasks · quiz
    Describe latex and resin and their uses.
  17. Alkaloids and medicines
    40 min · 1 practice tasks · quiz
    Describe alkaloids and their uses.
  18. Tannins, gums and oils
    40 min · 1 practice tasks · quiz
    Describe tannins, gums and oils and their uses.
  19. Economic importance of plant excretory products
    40 min · 1 practice tasks · quiz
    Explain the economic importance of plant excretory products.
  20. Community interviews on plant products
    40 min · 1 practice tasks · quiz
    Interview the community about plant products and make a portfolio.
  21. Safety and drug awareness
    40 min · 1 practice tasks · quiz
    Discuss safe use of plant products and drug awareness.
  22. Appreciating excretion in plants
    40 min · 1 practice tasks · quiz
    Value plant excretion and reflect on the node.