Actual 2025 AQA A-LEVEL BIOLOGY 7402/1 Paper 1 Merged Question Paper + Mark
Scheme
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
Wednesday 5 June 2025 Afternoon Time allowed: 2 hours
For Examiner’s Use
Question Mark
1
2
3
4
5
6
7
8
9
10
, 2
Do not write
outside the
box
Materials TOTAL
For this paper you must have:
• a ruler with millimetre measurements • a scientific calculator.
Instructions
• Use black ink or black ball-point pen.
• Fill in the boxes at the top of this page.
• Answer all questions.
• You must answer the questions in the spaces provided. Do not write outside the box around each
page or on blank pages.
• If you need extra space for your answer(s), use the lined pages at the end of this book. Write the
question number against your answer(s).
• Show all your working.
• Do all rough work in this book. Cross through any work you do not want to be marked.
Information
• The marks for the questions are shown in brackets.
• The maximum mark for this paper is 91.
*jun257402101* IB/M/Jun25/G4006/E11 7402/1
Answer all questions in the spaces provided.
IB/M/Jun25/7402/1
, 3
Do not write outside the
box
Figure 1 shows the structure of a fatty acid molecule and the structure of a glycerol
0 1 .1 molecule.
Figure 1
On Figure 1, draw a circle around the part of the fatty acid molecule and the part of
the glycerol molecule that is removed to form a bond in a triglyceride molecule.
Name the bond formed between a fatty acid and glycerol in a triglyceride molecule.
Name the reaction involved in forming a bond between a fatty acid and glycerol in a
triglyceride molecule.
[3 marks]
Bond
Reaction
Turn over ►
IB/M/Jun25/7402/1
, 4
Do not write
outside the
box
*02*
IB/M/Jun25/7402/1
Scheme
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
Wednesday 5 June 2025 Afternoon Time allowed: 2 hours
For Examiner’s Use
Question Mark
1
2
3
4
5
6
7
8
9
10
, 2
Do not write
outside the
box
Materials TOTAL
For this paper you must have:
• a ruler with millimetre measurements • a scientific calculator.
Instructions
• Use black ink or black ball-point pen.
• Fill in the boxes at the top of this page.
• Answer all questions.
• You must answer the questions in the spaces provided. Do not write outside the box around each
page or on blank pages.
• If you need extra space for your answer(s), use the lined pages at the end of this book. Write the
question number against your answer(s).
• Show all your working.
• Do all rough work in this book. Cross through any work you do not want to be marked.
Information
• The marks for the questions are shown in brackets.
• The maximum mark for this paper is 91.
*jun257402101* IB/M/Jun25/G4006/E11 7402/1
Answer all questions in the spaces provided.
IB/M/Jun25/7402/1
, 3
Do not write outside the
box
Figure 1 shows the structure of a fatty acid molecule and the structure of a glycerol
0 1 .1 molecule.
Figure 1
On Figure 1, draw a circle around the part of the fatty acid molecule and the part of
the glycerol molecule that is removed to form a bond in a triglyceride molecule.
Name the bond formed between a fatty acid and glycerol in a triglyceride molecule.
Name the reaction involved in forming a bond between a fatty acid and glycerol in a
triglyceride molecule.
[3 marks]
Bond
Reaction
Turn over ►
IB/M/Jun25/7402/1
, 4
Do not write
outside the
box
*02*
IB/M/Jun25/7402/1