O Level Biology Practical 2020 Answers Patched Jun 2026

A major portion of the 2020 paper centered around an investigation involving cellular enzymes (often catalase or amylase) or a series of unknown solution tests. Part A: Investigating Enzyme Reaction Rates

Concentration of the solution or type of plant tissue used. o level biology practical 2020 answers

Use a digital colorimeter to measure light absorbance or transmittance quantitatively. 3. Gas Leakage in Volumetric Setups A major portion of the 2020 paper centered

Clear headings with appropriate units—for example, "Time (min)" or "Length (mm)". Units must never be written inside the data cells. o level biology practical 2020 answers