AQA GCSE Combined Science: Trilogy Biology Paper 2 Higher 2021
This is the GCSE Combined Science: Trilogy Biology Paper 2 (Higher tier) from the November 2021 AQA exam series, sitting under exam code 8464/B/2H. Below you can open the original question paper and the official AQA mark scheme, and then — unlike a plain PDF archive — actually work through the paper on Science Street: answer the questions, get them marked instantly, and compare your marking against the examiner's on real answers.
What’s in this paper
AQA GCSE Combined Science: Trilogy Biology Paper 2 (Higher tier), 2021. The paper is 70 marks, set as 32 marked parts across 6 questions, including 3 parts worth 5 marks or more.
| Question | Marks available |
|---|---|
| Question 1 | 13 marks |
| Question 2 | 9 marks |
| Question 3 | 10 marks |
| Question 4 | 15 marks |
| Question 5 | 12 marks |
| Question 6 | 11 marks |
Topics it draws on
From the parts of this paper tagged so far, the heaviest topics are:
- Inheritance, variation and evolution — 25 marks
- Homeostasis and response — 6 marks
Practise this paper
8 parts of this paper (31 marks) are in the Science Street question bank, so you can answer them and be marked instantly rather than just reading the mark scheme. More are added over time.
Don't just download it — do it
Practise this paper free on Science Street: answer the questions and get marked instantly in Sharpen Up, race the multiple-choice in MCQ Mayhem, or become the examiner in Mark the Script — mark a real student answer with the actual AQA mark scheme beside you.
Practise on Science Street →The Higher tier targets grades 4–9. If you're aiming at the other tier, the Foundation paper for the same series is linked below.
What this paper covers
AQA GCSE Combined Science: Trilogy Biology Paper 2 assesses:
- Homeostasis and response
- Inheritance, variation and evolution
- Ecology