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 3
Tuesday 16 June 2026 Morning Time allowed: 2 hours
Materials For Examiner’s Use
For this paper you must have:
Question Mark
• a ruler with millimetre measurements
• a scientific calculator. 1
2
Instructions
3
• Use black ink or black ball-point pen.
• Fill in the boxes at the top of this page. 4
• Answer all questions in Section A. 5
• Answer one question from Section B. 6
• You must answer the questions in the spaces provided. Do not write
7
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 TOTAL
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 78.
*jun267402301*
7402/3
for more:
IB/M/Jun26/G4005/V10
, 2
Do not write
outside the
Section A box
Answer all questions in this section.
You are advised to spend no more than 1 hour and 15 minutes on this section.
0 1 . 1 Complete Table 1 to show the properties of water and the importance of each
property to living organisms.
[2 marks]
Table 1
Importance of property to
Property of water
living organisms
Water has a high heat capacity.
Supports columns of water in xylem
and produces surface tension where
water meets air.
Water is a solvent.
Provides a cooling effect with little loss
of water by evaporation.
0 1 . 2 Describe what occurs in a condensation reaction.
Do not include any examples in your answer.
[1 mark]
*02* for more:
IB/M/Jun26/7402/3
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
A-level
BIOLOGY
Paper 3
Tuesday 16 June 2026 Morning Time allowed: 2 hours
Materials For Examiner’s Use
For this paper you must have:
Question Mark
• a ruler with millimetre measurements
• a scientific calculator. 1
2
Instructions
3
• Use black ink or black ball-point pen.
• Fill in the boxes at the top of this page. 4
• Answer all questions in Section A. 5
• Answer one question from Section B. 6
• You must answer the questions in the spaces provided. Do not write
7
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 TOTAL
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 78.
*jun267402301*
7402/3
for more:
IB/M/Jun26/G4005/V10
, 2
Do not write
outside the
Section A box
Answer all questions in this section.
You are advised to spend no more than 1 hour and 15 minutes on this section.
0 1 . 1 Complete Table 1 to show the properties of water and the importance of each
property to living organisms.
[2 marks]
Table 1
Importance of property to
Property of water
living organisms
Water has a high heat capacity.
Supports columns of water in xylem
and produces surface tension where
water meets air.
Water is a solvent.
Provides a cooling effect with little loss
of water by evaporation.
0 1 . 2 Describe what occurs in a condensation reaction.
Do not include any examples in your answer.
[1 mark]
*02* for more:
IB/M/Jun26/7402/3
