A2 1 / A2 2 respiration structured question · 6 marks
Describe the role of the Krebs cycle in the production of ATP.
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CCEA A2 · 2 questions · 9 marks
The Krebs cycle: CCEA Biology practice questions
2 CCEA-style A2 questions on the krebs cycle, marked instantly against the mark scheme.
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Write each answer in full before marking it. Every mark scheme point is checked against your wording, and the full-mark answer only unlocks once you've had a go.
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These questions are written in the style of the CCEA GCE Biology (2016) papers and are not reproduced from any live paper. CCEA owns the copyright in its question papers and mark schemes — always download the official paper and mark scheme from CCEA and use these worked answers alongside them. BioCCEA is an independent study tool and is not endorsed by CCEA.
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