This document contains the questions to the AQA A-Level Biology Paper 3 that was sat in 2024, get yours now to prepare for upcoming mocks and to use for practice.
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A-level
BIOLOGY
Paper 3
Wednesday 19 June 2024 Morning Time allowed: 2 hours
Materials
For Examiner’s Use
For this paper you must have:
• a ruler with millimetre measurements Question Mark
• a scientific calculator.
1
Instructions 2
• Use black ink or black ball-point pen. 3
• Fill in the boxes at the top of this page. 4
• Answer all questions in Section A.
5
• Answer one question from Section B.
• You must answer the questions in the spaces provided. Do not write 6
outside the box around each page or on blank pages. 7
• 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). TOTAL
• 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.
IB/M/Jun24/G4006/E11 7402/3
, 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 In the following passage, each numbered space can be filled with a biological term.
Each type of cell has specific molecules on its (1) that identify it. An
antibody is a (2) with two (3) binding sites. Antibodies
are made and released by (4) cells.
Vaccines can provide protection for individuals and populations against disease. The
response to a vaccine is an example of (5) immunity.
(6) immunity occurs when a large proportion of a population becomes
immune to a disease.
Write the correct biological term beside each number below that matches the space in
the passage.
[3 marks]
1
2
3
4
5
6
0 1 . 2 There is currently no effective vaccine available for HIV.
Suggest one reason why.
[1 mark]
IB/M/Jun24/7402/3
, 3
Do not write
outside the
0 1 . 3 Table 1 shows the action of two antibiotics. box
Table 1
Antibiotic Action of antibiotic
Ciprofloxacin Causes double-stranded DNA to break apart
Penicillin Prevents formation of crosslinks between murein chains
Using the information in Table 1, explain why each antibiotic is not effective against
HIV.
[2 marks]
Ciprofloxacin
Penicillin
6
Turn over for the next question
Turn over ►
IB/M/Jun24/7402/3
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