: Slices of banana were subjected to three treatments: immersion in dilute hydrochloric acid (HCl), mechanical chopping into small pieces, or left completely untreated as a control. Suggested Data & Answers :
Example: "Suggest how the investigation could be improved."
2020 O-Level Biology Practical Guide | PDF | Flowers - Scribd o level biology practical 2020 answers
Always construct tables with neat, ruled lines. Headings must clearly state the quantity and its unit separated by a slash (e.g., Time / minutes , Temperature / °C ). Never write units inside the data cells. Graph Plotting:
Length/mass change of the tissue, or the rate of gas production (bubble count). : Slices of banana were subjected to three
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Contamination between samples if syringes are not washed. Never write units inside the data cells
What control would you use to prove the reaction is due to the enzyme?