Biotech ppt(final)

Title: Testing for natural herbicides, Eliminating the weeds School: Pasir Ris Secondary School Group Member: - Fabian Ho - Myra Koh -Amelia Jane -Lee Hui Xin -Benson Quah Bio-Technology Project 2009

Contents ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Research ,[object Object],Fig.2 chemical structure of the 2,4-D Fig.1 3d view of the chemical structure 2,4-D

Research ,[object Object],[object Object],[object Object],[object Object]

How the idea came about ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],Objectives of project

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Information of weeds ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Procedures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Results substances Initial length of weeds End length of weeds pH of soil(acidic /alkaline) Did the plant die? Half boiled egg 5.0 cm 4.5 cm 7.90 No Clove oil 5.7 cm 4.9 cm 6.12 Yes Citrus oil 5.5 cm 6.5 cm 4.36 Yes Cornflakes 6.5 cm 4.9 cm 5.55 No Walnuts 5.5 cm 5.7 cm 6.31 No Toothpaste 5.1 cm 6.1 cm 6.84 Yes lime 4.9 cm 3.2 cm 2.66 No Coke 4.9 cm 4.9 cm 2.54 No Boiled water 6.2 cm 6.7 cm 7.00 No Tap water 5.5 cm 3.9 cm 7.00 No Salt solution 4.5 cm 5.0 cm 7.00 Yes Bleach 4.5 cm 5.6 cm 9.76 Yes Rootbeer 4.9 cm 3.2 cm 4.75 No Distilled White Vinegar 5.2 cm 5.5 cm 2.86 Yes Lemon flavored soap 4.5 cm 4.7 cm 6.74 Yes

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Pictures Results Pic 1: Salt Pic 2: Boiled Water Pic 3: Lime Pic 4: Distilled White Vinegar Pic 5: Coke Pic 6: Cornflakes Pic 7: Tap Water Pic 8: Rootbeer Pic 9: Bleach Pic 10: Soap Pic 11: Clove Oil Pic 12: Walnut Pic 13: Citrus Oil Pic 14: Toothpaste Pic 15: Half-Boiled Egg

Discussion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Conclusion ,[object Object],[object Object],[object Object],[object Object]

Miscellaneous ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The End Thank You For Your Attention

Biotech ppt(final)

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