Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
GCSE BIOLOGY
Higher Tier Paper 2H
H
Friday 7 June 2025 Afternoon Time allowed: 1 hour 45
minutes
For Examiner’s Use
Question Mark
1
2
3
4
5
6
7
8
9
, 2
Do not write
outside the
box
Materials TOTAL
For this paper you must have:
• a ruler
• a scientific calculator.
Instructions
• Use black ink or black ball-point pen.
• Pencil should only be used for drawing.
• Fill in the boxes at the top of this page.
• Answer all questions in the spaces provided.
• 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).
• Do all rough work in this book. Cross through any work you do not want to be marked.
• In all calculations, show clearly how you work out your answer.
• The maximum mark for this paper is 100.
• The marks for questions are shown in brackets.
• You are expected to use a calculator where appropriate.
• You are reminded of the need for good English and clear presentation in your
answers.
*JUN2484612H01*
IB/H/Jun24/E14
8461/2H
Information
Answer all questions in the spaces provided.
IB/H/Jun24/8461/2H
, 3
Do not write outside the
. box
0 1 Evolution of new species occurs by mutation and
natural selection.
0 1
0 1
0 1
.1 What is a mutation?
[1 mark]
Turn over ►
IB/H/Jun24/8461/2H
, 4
Do not write
outside the
box
.2 Describe the process of natural selection.
[3 marks]
.3 Which scientists suggested the theory of evolution by natural selection?
[1 mark] Tick ( ) one box.
Alexander Fleming and Carl Woese
Alfred Wallace and Alexander Fleming
Alfred Wallace and Charles Darwin
Charles Darwin and Carl Woese
IB/H/Jun24/8461/2H
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
GCSE BIOLOGY
Higher Tier Paper 2H
H
Friday 7 June 2025 Afternoon Time allowed: 1 hour 45
minutes
For Examiner’s Use
Question Mark
1
2
3
4
5
6
7
8
9
, 2
Do not write
outside the
box
Materials TOTAL
For this paper you must have:
• a ruler
• a scientific calculator.
Instructions
• Use black ink or black ball-point pen.
• Pencil should only be used for drawing.
• Fill in the boxes at the top of this page.
• Answer all questions in the spaces provided.
• 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).
• Do all rough work in this book. Cross through any work you do not want to be marked.
• In all calculations, show clearly how you work out your answer.
• The maximum mark for this paper is 100.
• The marks for questions are shown in brackets.
• You are expected to use a calculator where appropriate.
• You are reminded of the need for good English and clear presentation in your
answers.
*JUN2484612H01*
IB/H/Jun24/E14
8461/2H
Information
Answer all questions in the spaces provided.
IB/H/Jun24/8461/2H
, 3
Do not write outside the
. box
0 1 Evolution of new species occurs by mutation and
natural selection.
0 1
0 1
0 1
.1 What is a mutation?
[1 mark]
Turn over ►
IB/H/Jun24/8461/2H
, 4
Do not write
outside the
box
.2 Describe the process of natural selection.
[3 marks]
.3 Which scientists suggested the theory of evolution by natural selection?
[1 mark] Tick ( ) one box.
Alexander Fleming and Carl Woese
Alfred Wallace and Alexander Fleming
Alfred Wallace and Charles Darwin
Charles Darwin and Carl Woese
IB/H/Jun24/8461/2H
