1
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
A-level
BIOLOGY
Paper 1
Time allowed: 2 hours
Materials
For Examiner’s Use
For this paper you must have:
• a ruler with millimetre measurements Question Mark
• a scientific calculator.
1
Instructions 2
• Use black ink or black ball-point pen. 3
• Fill in the boxes at the top of this page. 4
• Answer all questions.
5
• You must answer the questions in the spaces provided. Do not write
outside the box around each page or on blank pages. 6
• If you need extra space for your answer(s), use the lined pages at the end of 7
this book. Write the question number against your answer(s).
8
• Show all your working.
• Do all rough work in this book. Cross through any work you do not want 9
to be marked. 10
TOTAL
Information
• The marks for the questions are shown in brackets.
• The maximum mark for this paper is 91.
SOLE Property of Tyrion's AQA AL Biology Question Paper 1 2025 Predicted
, 2
Answer all questions in the spaces provided.
0 1 . 1 The cell membrane is a fundamental structure in all living cells, playing a crucial
role in maintaining the internal environment.
Identify the molecule labeled A in the phospholipid bilayer
[1 marks]
A
0 [3 maks]
AQA AL Biology Question Paper 1 2025 Predicted
, 3
0 1 . 3 Describe how the bilayer’s structure supports membrane fluidity and
the formation of membrane proteins' functional domains.
[2 marks]
0 1 . 4 The bilayer acts as a site for cell signaling. Explain how receptor
proteins embedded in the bilayer enable cells to respond to
external stimuli. [2 marks]
8
AQA AL Biology Question Paper 1 2025 Predicted
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
A-level
BIOLOGY
Paper 1
Time allowed: 2 hours
Materials
For Examiner’s Use
For this paper you must have:
• a ruler with millimetre measurements Question Mark
• a scientific calculator.
1
Instructions 2
• Use black ink or black ball-point pen. 3
• Fill in the boxes at the top of this page. 4
• Answer all questions.
5
• You must answer the questions in the spaces provided. Do not write
outside the box around each page or on blank pages. 6
• If you need extra space for your answer(s), use the lined pages at the end of 7
this book. Write the question number against your answer(s).
8
• Show all your working.
• Do all rough work in this book. Cross through any work you do not want 9
to be marked. 10
TOTAL
Information
• The marks for the questions are shown in brackets.
• The maximum mark for this paper is 91.
SOLE Property of Tyrion's AQA AL Biology Question Paper 1 2025 Predicted
, 2
Answer all questions in the spaces provided.
0 1 . 1 The cell membrane is a fundamental structure in all living cells, playing a crucial
role in maintaining the internal environment.
Identify the molecule labeled A in the phospholipid bilayer
[1 marks]
A
0 [3 maks]
AQA AL Biology Question Paper 1 2025 Predicted
, 3
0 1 . 3 Describe how the bilayer’s structure supports membrane fluidity and
the formation of membrane proteins' functional domains.
[2 marks]
0 1 . 4 The bilayer acts as a site for cell signaling. Explain how receptor
proteins embedded in the bilayer enable cells to respond to
external stimuli. [2 marks]
8
AQA AL Biology Question Paper 1 2025 Predicted
