Exam (elaborations)
AQA A-LEVEL BIOLOGY PAPER 2 2024 - QUESTION PAPER
This document contains the questions to the AQA A-Level Biology Paper 2 that was sat in 2024, get yours now to prepare for upcoming mocks and to use for practice.
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ALEVELPAPERZ2024Please 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 2
Friday 14 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
2
Instructions
• Use black ink or black ball-point pen. 3
• Fill in the boxes at the top of this page. 4
• Answer all questions. 5
• You must answer the questions in the spaces provided. Do not write
outside the box around each page or on blank pages. 6
• If you need extra space for your answer(s), use the lined pages at the end of 7
this book. Write the question number against your answer(s). 8
• Show all your working.
9
• Do all rough work in this book. Cross through any work you do not want
to be marked. 10
TOTAL
Information
• The marks for the questions are shown in brackets.
• The maximum mark for this paper is 91.
IB/M/Jun24/G4006/E7 7402/2
, 2
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 Figure 1 shows a drawing of a neuromuscular junction.
Figure 1
0 1 . 1 Name the parts labelled A to D.
[2 marks]
A
B
C
D
IB/M/Jun24/7402/2
, 3
Do not write
outside the
0 1 . 2 Following the release of acetylcholine into a neuromuscular junction, a muscle box
contraction occurs.
Describe the sequence of events, following the release of acetylcholine, that leads to
stimulation of this contraction.
Do not include in your answer the events following the release of calcium ions in the
myofibril.
[4 marks]
0 1 . 3 Inhibitory synapses cause hyperpolarisation in postsynaptic neurones.
Explain how this inhibits synaptic transmission.
[2 marks]
8
Turn over ►
IB/M/Jun24/7402/2
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