Exam (elaborations)
AQA GCSE BIOLOGY PAPER 2H QUESTION PAPER 2024 ( 8461/2H : Higher Tier)
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I declare this is my own work.
GCSE
BIOLOGY
Higher Tier Paper 2H
H
Friday 7 June 2024 Afternoon Time allowed: 1 hour 45 minutes
Materials
For Examiner’s Use
For this paper you must have:
• a ruler Question Mark
• a scientific calculator.
1
Instructions 2
• Use black ink or black ball-point pen. 3
• Pencil should only be used for drawing. 4
• Fill in the boxes at the top of this page.
5
• Answer all questions in the spaces provided.
• If you need extra space for your answer(s), use the lined pages at the end of 6
this book. Write the question number against your answer(s). 7
• Do all rough work in this book. Cross through any work you do not want
8
to be marked.
• In all calculations, show clearly how you work out your answer. 9
TOTAL
Information
• 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
, 2
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 Evolution of new species occurs by mutation and natural selection.
0 1 . 1 What is a mutation?
[1 mark]
0 1 . 2 Describe the process of natural selection.
[3 marks]
0 1 . 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
002*
IB/H/Jun24/8461/2H
, 3
Do not write
outside the
0 1 . 4 The hoverfly and the wasp are insects with bright yellow and black markings. box
Figure 1 shows a hoverfly and a wasp.
Figure 1
The wasp has a sting to defend itself against predators.
The hoverfly does not have a sting.
Hoverflies and wasps live in the same habitat.
Explain how having yellow and black markings helps the hoverfly survive.
[3 marks]
8
Turn over for the next question
Turn over ►
*03*
IB/H/Jun24/8461/2H
, 4
Do not write
outside the
0 2 Peat bogs are estimated to contain twice as much carbon as all the world’s forests. box
Figure 2 shows a section through part of a peat bog.
Figure 2
Layer A contains a lot of air.
Layer B:
• contains the dead remains of plants
• has a low pH
• contains very little oxygen
• contains carbon dioxide and methane.
*04*
IB/H/Jun24/8461/2H
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