Answers

2015-02-18T18:45:10+05:30
Five waste products released by plants:
1)Resins 
2)Tannins 
3)Gum 
4)Alkaloids
5)Terpines 
6)Latex
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2015-02-18T18:58:06+05:30
1.carbon dioxide released during excretion
2.oxygen released during photosynthesis
3.gum relesed by some trees which can increase in viscosity(fluid)
4.alkaloids are released because they contain nitrogen atoms which is not good for plant.
5.tannin are released because they are bitter plant  compound 
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