The 2020 O Level Biology Practical examination tested candidates on four core skills: (1) Manipulation & measurement, (2) Observation & drawing, (3) Interpretation & analysis, and (4) Planning & evaluation. While specific answer sheets are confidential, the expected answers followed recurring themes: food tests, enzyme activity, osmosis, transpiration, and microscopy.
…then you likely scored 85%+ on the 2020 practical. o level biology practical 2020 answers
Answer: By repeating the experiment multiple times, using similar equipment and methods, and controlling variables such as temperature and light source. O Level Biology Practical 2020: Key Answers &
Answer for “why does boiling stop the reaction?” (2) Observation & drawing
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