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2024 AQA A-Level BIOLOGY 7402/3 Paper 3 Verified Question Paper and Marking Scheme Attached June 2024 $10.49
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2024 AQA A-Level BIOLOGY 7402/3 Paper 3 Verified Question Paper and Marking Scheme Attached June 2024

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2024 AQA A-Level BIOLOGY 7402/3 Paper 3 Verified Question Paper and Marking Scheme Attached June 2024 A-level BIOLOGY Paper 3 Wednesday 19 June 2024 Materials For this paper you must have: • a ruler with millimetre measurements • a scientific calculator. Instructions •...

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  • February 4, 2025
  • 60
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • 2024 aqa a level biology 74023 paper 3 verified

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  • 2024 AQA A-Level BIOLOGY 7402
  • 2024 AQA A-Level BIOLOGY 7402

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By: merriguns • 3 weeks ago

Great for extra past paper practice! - I'm doing my bio a-levels this June and wanted to do more practice for when the actual exams come, haha.

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2024 AQA A-Level BIOLOGY 7402/3 Paper 3
Verified Question Paper and Marking Scheme Attached
June 2024
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
TOTAL
this book. Write the question number against your answer(s).
• 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

, 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 . box
Table 1 shows the action of two antibiotics.

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

, 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




IB/M/Jun24/7402/3

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