A-levelBIOLOGY 7402/1 ACTUAL 2025
PAPER MERGED WITH MARK SCHEME
vincent marekia
[COMPANY NAME] [Company address]
, 1
Do not
write
outside the
box
Please write clearly in block capitals.
Centre number
Surname
Forename(s)
Candidate signature For Examiner’s Use
I declare this is my own work. Question Mark
A-level 1
2
Candida
te 3
number
4
BIOLOGY 7402/1 ACTUAL 2025 5
PAPER MERGED WITH MARK 6
SCHEME 7
Paper 1 8
9
10
TOTAL
Thursday 5 June 2025 Afternoon Time allowed: 2 hours
Materials
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.
tyrionpapers.com
IB/M/Jun25/7402/1
, 2
Do not
write
outside the
box
• 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* tyrionpapers.com 7402/1
IB/M/Jun25/G4007/V8
Answer all questions in the spaces provided.
0 1
Turn over ►
tyrionpapers.com
IB/M/Jun25/7402/1
, 3
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0 1
.1 The digestion and absorption of lipids involves:
• emulsification by bile salts •
micelles.
Explain each of the following.
[4 marks]
The role of micelles in the absorption of lipids
tyrionpapers.com
IB/M/Jun25/7402/1
PAPER MERGED WITH MARK SCHEME
vincent marekia
[COMPANY NAME] [Company address]
, 1
Do not
write
outside the
box
Please write clearly in block capitals.
Centre number
Surname
Forename(s)
Candidate signature For Examiner’s Use
I declare this is my own work. Question Mark
A-level 1
2
Candida
te 3
number
4
BIOLOGY 7402/1 ACTUAL 2025 5
PAPER MERGED WITH MARK 6
SCHEME 7
Paper 1 8
9
10
TOTAL
Thursday 5 June 2025 Afternoon Time allowed: 2 hours
Materials
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.
tyrionpapers.com
IB/M/Jun25/7402/1
, 2
Do not
write
outside the
box
• 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* tyrionpapers.com 7402/1
IB/M/Jun25/G4007/V8
Answer all questions in the spaces provided.
0 1
Turn over ►
tyrionpapers.com
IB/M/Jun25/7402/1
, 3
Do not
write
outside the
box
0 1
.1 The digestion and absorption of lipids involves:
• emulsification by bile salts •
micelles.
Explain each of the following.
[4 marks]
The role of micelles in the absorption of lipids
tyrionpapers.com
IB/M/Jun25/7402/1
