AQA GCSE Biology Higher Tier Paper 1H 2025 | & Mark Scheme

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GCSE
BIOLOGY
HigherTier b Paper1H b
H
Tuesday13May2025 b b b Afternoon Timeallowed:1hour45minutes
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Materials
For Examiner’s Use
For this paper you must have:
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 a ruler
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Question Mark
 a scientific calculator.
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1

Instructions 2
 Use black ink or black ball-point pen.
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 Pencil should only be used for drawing.
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 Fill in the boxes at the top of this page.
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5
 Answer all questions in the spaces provided.
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 If you need extra space for your answer(s), use the lined pages at the end of this bo
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6
ok. Write the question number against your answer(s).
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 Do all rough work in this book. Cross through any work you do not want to be
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8
marked.
 In all calculations, show clearly how you work out your answer.
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TOTAL

Information
 The maximum mark for this paper is 100.
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 The marks for questions are shown in brackets.
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 You are expected to use a calculator where appropriate.
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 You are reminded of the need for good English and clear presentation in yo
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ur answers.
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IB/G/Jun25/G4006/E10 8461/1H

, 2
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outside the
Answer all questions in the spaces provided.
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0 1 b Measles is an infectious disease caused by a pathogen.
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0 1 . 1 What type of pathogen causes measles?
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[1 mark]
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0 1 . 2 Give one way measles is spread from one person to another person.
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[1 mark]
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0 1 . 3 One symptom of measles is pain.
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In adults, aspirin can be used to treat the pain.
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Which plant did aspirin originate from?
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[1 mark]
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0 1 . 4 Give one other symptom of measles. D
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o not refer to pain in your answer.
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[1 mark]
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IB/G/Jun25/8461/1H

, 3
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The spread of measles can be reduced by vaccination.
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0 1 . 5 Explain why vaccinating large numbers of children helps to reduce the spread of the measl
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es pathogen in the population.
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[2 marks] b




Question 1 continues on the next page
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Turn over ► b b




IB/G/Jun25/8461/1H

, 4
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Figure 1 shows information about the severity of measles infection in vaccinated and unva
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box

ccinated children.
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Figure 1 b




0 1 . 6 There were 240 children in the survey.
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Calculate how many unvaccinated children had a severe measles infection.
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Use Figure 1.
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[3 marks]
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Number of unvaccinated children =
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IB/G/Jun25/8461/1H