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BIOLOGY
Biology
Estimated grade boundaries from official examiner reports and past paper analysis.
2023 · 2023
BIOLOGY/11B / 1BR (Core Biology)
Estimated from examiner report analysis
9
146 marks81%
8
126 marks70%
7
107 marks59%
6
93 marks52%
5
80 marks44%
4
67 marks37%
3
55 marks31%
2
43 marks24%
1
32 marks18%
2023 · 2023
BIOLOGY/21B / 2BR (Advanced Biology)
Estimated from examiner report analysis
9
146 marks81%
8
126 marks70%
7
107 marks59%
6
93 marks52%
5
80 marks44%
4
67 marks37%
3
55 marks31%
2
43 marks24%
1
32 marks18%