O Level Biology Practical 2020 Answers Today
The 2020 O Level Biology Practical examination tested candidates on four core skills: , (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.
: Using Benedict's solution to identify glucose concentrations in "urine" samples. Citrus Fruit Analysis o level biology practical 2020 answers
: Contained the highest glucose concentration (~0.95 ), showing the fastest time to change colour (approx. 26s). Sample D : Contained no glucose ( ), remaining blue even after 120s of heating. Samples A & E : Had identical concentrations (~0.62 ) and similar reaction times (approx. 34s). Accuracy Improvements: The 2020 O Level Biology Practical examination tested

