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Biology gcse questions and mark scheme 2024 combined trilogy

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January 14, 2025
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2024/2025
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Actual 2024 AQA GCSE BIOLOGY 8461/1H Paper 1 Higher Tier 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.



GCSE
BIOLOGY
Higher Tier Paper 1H
H
Friday 10 May 2024 Morning 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
2
Instructions
• 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. 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.




*JUN2484611h01*
IB/M/Jun24/E15 8461/1H

, 2
Do not write
outside the
Answer all questions in the spaces provided. box




0 1 A person has coronary heart disease.



0 1 . 1 Which blood vessels are affected by coronary heart disease?
[1 mark]
Tick () one box.


Arteries


Capillaries


Veins




A person’s heart stops beating.

The person stops breathing.

A first-aider pushes down on the person’s chest.

Pushing down on the person’s chest puts pressure on the heart.




0 1 . 2 Explain why putting pressure on the heart helps the person.
[2 marks]




*02*
IB/M/Jun24/8461/1H

, 3
Do not write
outside the
0 1 . 3 The first-aider also forces air into the person’s lungs by blowing into their mouth.
box



Describe how forcing air into the person’s lungs helps the person.
[1 mark]




0 1 . 4 The person’s heart starts to beat again and the person starts breathing.

The person has a high level of cholesterol in their blood.


Name one type of drug that would decrease the level of cholesterol in the
person’s blood.
[1 mark]




0 1 . 5 A doctor decides that the person needs to have a stent fitted.

Explain how a stent works to treat coronary heart disease.
[2 marks]




Question 1 continues on the next page




Turn over ►


*03*
IB/M/Jun24/8461/1H

, 4
Do not write
outside the
Table 1 shows the effect of smoking on the risk of developing different box

cardiovascular diseases.

Table 1


Percentage (%) increase in risk
Cardiovascular
compared to people who have
disease
never smoked

E 14

F 20

G 29

H 70




0 1 . 6 Give two conclusions that can be made from the data in Table 1.
[2 marks]

1



2




0 1 . 7 Complete Figure 1.

You should:
• label the y-axis
• add the correct scale to the y-axis
• plot the data from Table 1
• label each bar.


The bar for cardiovascular disease E has been plotted for you.
[4 marks]




*04*
IB/M/Jun24/8461/1H
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