Exam (elaborations)

AQA A-Level Biology Paper 3 2024 - Question Paper

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AQA A-Level Biology Paper 3 - QP

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AQA

This document contains the AQA A-level Biology Paper 3, Question Paper (QP) for the 2024 exam series. Get yours now to aid in revision and upcoming mocks! *Mark Scheme (MS) for this document is also available for purchase or in a package deal with QP.

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AQA A-LEVEL BIOLOGY PAPER 3 - 2024 (QP & MS)

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1. Exam (elaborations) - Aqa a-level biology paper 3 2024 - question paper
2. Exam (elaborations) - Aqa a-level biology paper 3 2024 - mark scheme
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ALEVELPAPERZZ2024

Please write clearly in block capitals.

Centre number Candidate number

Surname

Forename(s)

Candidate signature
I declare this is my own work.

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.

, 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]

, 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 ►

, 4
Do not write
outside the
0 2 A student investigated the effect of temperature on the rate of aerobic respiration in box

woodlice.

Figure 1 shows the apparatus they used.

Figure 1

The student altered the temperature of the water bath and measured how far the drop
of coloured liquid moved every minute for 5 minutes.

0 2 . 1 Other than those stated, suggest two variables the student should have kept constant
in this investigation.
[1 mark]

1

2

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Exam (elaborations)

AQA A-Level Biology Paper 3 2024 - Question Paper

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