← 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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Meaning and importance of excretion
40 min · 1 practice tasks · quizExplain the meaning and importance of excretion in plants.
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Why plants lack complex excretory structures
40 min · 1 practice tasks · quizExplain why plants do not need complex excretory organs.
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Methods of excretion in plants
40 min · 1 practice tasks · quizName the methods plants use to remove waste.
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Transpiration as excretion
40 min · 1 practice tasks · quizExplain how transpiration removes waste.
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Excretion by diffusion
40 min · 1 practice tasks · quizExplain how gases leave a plant by diffusion.
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Excretion by deposition
40 min · 1 practice tasks · quizExplain how plants store waste by deposition.
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Organ and tissue fall
40 min · 1 practice tasks · quizExplain how shedding removes waste.
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Exudation
40 min · 1 practice tasks · quizExplain excretion by exudation.
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Guttation
40 min · 1 practice tasks · quizExplain guttation.
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Oxygen as a waste product
40 min · 1 practice tasks · quizExplain oxygen removal and its importance.
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Carbon dioxide removal
40 min · 1 practice tasks · quizExplain how carbon dioxide is removed and used.
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Nitrogenous waste in plants
40 min · 1 practice tasks · quizExplain how plants handle nitrogenous waste.
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Storage of waste in plants
40 min · 1 practice tasks · quizExplain how plants store waste in cells and tissues.
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Demonstrating excretion in plants
40 min · 1 practice tasks · quizDescribe experiments showing plant excretion.
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Plant excretory products
40 min · 1 practice tasks · quizName the common plant excretory products.
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Latex and resins
40 min · 1 practice tasks · quizDescribe latex and resin and their uses.
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Alkaloids and medicines
40 min · 1 practice tasks · quizDescribe alkaloids and their uses.
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Tannins, gums and oils
40 min · 1 practice tasks · quizDescribe tannins, gums and oils and their uses.
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Economic importance of plant excretory products
40 min · 1 practice tasks · quizExplain the economic importance of plant excretory products.
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Community interviews on plant products
40 min · 1 practice tasks · quizInterview the community about plant products and make a portfolio.
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Safety and drug awareness
40 min · 1 practice tasks · quizDiscuss safe use of plant products and drug awareness.
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Appreciating excretion in plants
40 min · 1 practice tasks · quizValue plant excretion and reflect on the node.