Estimate glucose concentration in samples A–E using Benedict's solution and recording the time taken for a color change. Key Results:
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 o level biology practical 2020 answers
Don’t just memorize answers. Learn why iodine turns blue-black (amylose helix trapping iodine) and why catalase works best at pH 7. That’s how you beat the 2021, 2022, and 2023 practicals too. and 2023 practicals too.