AQA 8461 · Papers 1 and 2
Biology practice paper
Exam-style questions across cells, organisation, homeostasis, inheritance and ecology.
Every question is written for practice and tied to a real specification point. Marking updates progress for those spec points, not for KS3 objectives.
Exam-style paper
Biology practice paper
8 questions, 29 marks. Answer everything, then mark the paper to see the mark scheme. There is no timer — the 35 minutes is only a guide.
1. Potato cylinders in concentrated sugar solution lose mass. Why?
3 marks4.1 · Cell structure and transport
2. Why does raising temperature above 45 °C reduce the rate of an enzyme-controlled reaction?
4 marks4.2 · Organisation and digestion
3. Why do antibiotics not treat influenza?
3 marks4.3 · Infection and response
4. A plant's photosynthesis rate stops rising when light increases further. Which explanation fits?
4 marks4.4 · Bioenergetics
5. Blood glucose rises after a meal. What happens next in a healthy person?
4 marks4.5 · Homeostasis and response
6. Two carriers of a recessive disorder have a child. What is the probability the child is affected?
4 marks4.6 · Inheritance and variation
7. Which statement best describes natural selection in an insecticide-resistant population?
4 marks4.6.3 · Evolution and selection
8. Which change most improves the validity of a decay-rate investigation?
3 marksWorking scientifically · Practical and data skills