how is excretion in plant useful to human being?
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Oxygen is produced through the process of photosynthesis, in which, plants utilize carbon dioxide and water (in the presence of sunlight) and produce oxygen and glucose. ... Some plants generate toxic waste products, which are useful to human beings.
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Ans. The waste products which are not useful for the tree can be very useful for the human beings Cog The latex of rubber gives various rubber products.
(3) Gum, resin are waste materials for plants but they have various uses for man.
(4) The waste substances of plants are also stored in vacuoles of leaf-cells and in various plant's parts. When these leaves and other parts fall off, they act like manures.
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