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Cambridge
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Pearson Edexcel
AQA
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OCR
OCR
Competitive
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Subjects
C
Cambridge
E
Pearson Edexcel
AQA
AQA
OCR
OCR
Competitive
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OCR · A Level · H422
Biology B (Advancing Biology)
Exam Guide
H422
CONQUER
Papers
01
Fundamentals of biology
Time
2h 15m
Marks
110
Weight
41%
02
Scientific literacy in biology
Time
2h 15m
Marks
100
Weight
37%
03
Practical skills in biology
Time
1h 30m
Marks
60
Weight
22%
04
Practical endorsement in biology
Time
Course practicals
Marks
—
Weight
Separate
Specification · Version 3.2 (April 2026)
Grade boundaries
H422 · A Level
Weighted marks
June
Max
A*
A
B
C
D
E
Official source
2026
270
193
173
153
134
115
96
2024
270
171
151
131
111
91
72
June
2026
2024
Max
270
270
A*
193
171
A
173
151
B
153
131
C
134
111
D
115
91
E
96
72
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Biology B (Advancing Biology)
A Level · H422
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