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4BI1IGCSE

Biology

18 topics · 5 specification chapters

Topics covered

18

Avg. exam frequency

15%

Practice questions

113

Past paper years

2018 to 2024

4BI1 Topics

Frequency legend

High (≥14%)

Above avg (10 to 13%)

Average (<10%)

How Marking Works

0 / 3 marks

Student answer

Chlorophyll absorbs light, which splits water and produces glucose.

MP1Chlorophyll absorbs light

MP2Water is split

MP3Glucose is produced

Prioritise These First

Highest-frequency topics (2018 to 2024)

These topics account for the majority of exam marks. Revise them first.

1

Diffusion, Osmosis & Active Transport22%

2

Photosynthesis20%

3

Transport in Plants19%

4

Cell Structure18%

5