Almost every 2020 O Level Biology Practical ended with a low-power plan drawing.
Expected Answer:
Data provided (example):
Expected Answer:
Units were mandatory in 2020 mark scheme. Answer without "cm³/s" = zero marks.
“Make a large, labelled drawing of the region indicated.”
2020 Mark scheme keywords:
This is often the most distinguishing section of the paper.
If you:
…then you likely scored 85%+ on the 2020 practical. o level biology practical 2020 answers
Context: The 2020 practicals often focused on osmosis or enzyme activity. A common scenario involved investigating the effect of concentration on the mass or length of plant tissue.
Key Points for Full Marks:
2020 marking scheme expectations:
Calculation of magnification:
[
\textMagnification = \frac\textDrawn length\textActual length
]
(e.g., if actual cell = 0.1 mm and drawing = 20 mm → magnification = ×200)