Students were required to design an experiment to investigate the effect of pH on catalase activity using buffer solutions . 2. Cambridge O Level (Syllabus 5090) - Main Experiments
In this experiment, students were tasked with estimating the concentration of glucose in five different samples (labeled A-E) representing "urine." o level biology practical 2020 answers
A transverse section of a lime fruit . Marks were awarded for clear, continuous lines, occupying at least half the provided space, and realistic details like the juicy pulp and green skin. Students were required to design an experiment to
To investigate the effect of pH on the activity of amylase. o level biology practical 2020 answers
This was the most common 2020 practical. You were given a table of potato strip lengths in different sucrose concentrations (0.0M, 0.2M, 0.4M, 0.6M, 0.8M).