O Level Biology Practical 2020 Answers May 2026
2020 O Level Biology Practical (Paper 3/6093)
For the , the exam focused on testing core skills like food tests, enzyme activity, and biological drawings. While specific data depends on the exact specimen you were given in the lab, the following breakdown covers the key questions and expected answers. 1. Investigation of Enzyme Activity (Catalase)
Practical papers test core lab skills: measurement, observation, experimental design, data handling and interpretation. Below is an engaging, exam-focused blog post that explains likely 2020 O Level Biology practical tasks, shows how to approach them step‑by‑step, and provides clear model answers and marking‑point explanations you can adapt for revision or teaching. o level biology practical 2020 answers
- Volume change = 10 – 4 = 6 cm³
- Time interval = 90 – 30 = 60 seconds
- Rate = 6 cm³ / 60 s = 0.1 cm³/s
- Interphase
- Prophase
- Metaphase
- Anaphase
- Telophase
Cambridge CAIE Paper 5090/62
(Note: This analysis focuses on the widely sat format. If you are sitting a different exam board, the concepts regarding planning and data analysis will still apply.) 2020 O Level Biology Practical (Paper 3/6093) For
Use a sharp pencil for clear, clean lines; ensure the drawing is larger than the original specimen and accurately reflects details like fruit segments or tissue boundaries. Magnification Formula: Comparing Flowers: A common task was comparing wind-pollinated flowers (e.g., ) with insect-pollinated ones (e.g., Volume change = 10 – 4 = 6
3. The "Pandemic Factor"
In many regions, the 2020 practicals were adapted to be "school-based" or relied heavily on provided data sets rather than live specimens. Consequently, the answer keys for the data analysis sections required a high level of critical thinking—students had to identify anomalies