Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signatuure
I declare this is my own work.
A-level Summer 2026
BIOLOGY Predicted
Paper 2
Afternoon 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.
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. TOTAL
Information
• The marks for the questions are shown in brackets.
• The maximum mark for this paper is 91.
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7402/2
, 2
Do not write
outside the
Answer all questions in the spaces provided. box
0 1
A motor neurone forms a specialised synapse with a skeletal muscle fibre.
Figure 1
A
B
C
D
0 1 . 1 Identify the structures labelled A–D in Figure 1
. [2 marks]
A
B
C
D
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, 3
Do not write
outside the
box
0 1 . 2 A nerve impulse arrives at the presynaptic membrane of the neuromuscular
junction.
Describe how this impulse results in depolarisation of the muscle fibre membrane.
Your answer should end before any events involving calcium ions inside the
myofibril.
[3 marks]
0 1 . 3 Some synapses reduce the likelihood of an action potential forming in the
postsynaptic neurone.
Explain how inhibitory synapses prevent the transmission of a nerve impulse.
[2 marks]
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, 4
Do not write
outside the
box
0 1 . 4 Movement of a limb requires more than one skeletal muscle.
Explain why skeletal muscles must act in antagonistic pairs to bring about
movement at a joint.
[2 marks]
0 1 . 5 Figure 2 shows part of a myofibril in a relaxed muscle and in a contracted muscle
.
Describe two changes that occur in the sarcomere when a muscle contracts.
Figure 2 [2 marks]
Figure 2
Turn over ►
for more papers: tyrionpapers.com
Centre number Candidate number
Surname
Forename(s)
Candidate signatuure
I declare this is my own work.
A-level Summer 2026
BIOLOGY Predicted
Paper 2
Afternoon 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.
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. TOTAL
Information
• The marks for the questions are shown in brackets.
• The maximum mark for this paper is 91.
for more papers: tyrionpapers.com
7402/2
, 2
Do not write
outside the
Answer all questions in the spaces provided. box
0 1
A motor neurone forms a specialised synapse with a skeletal muscle fibre.
Figure 1
A
B
C
D
0 1 . 1 Identify the structures labelled A–D in Figure 1
. [2 marks]
A
B
C
D
Turn over ►
for more papers: tyrionpapers.com
, 3
Do not write
outside the
box
0 1 . 2 A nerve impulse arrives at the presynaptic membrane of the neuromuscular
junction.
Describe how this impulse results in depolarisation of the muscle fibre membrane.
Your answer should end before any events involving calcium ions inside the
myofibril.
[3 marks]
0 1 . 3 Some synapses reduce the likelihood of an action potential forming in the
postsynaptic neurone.
Explain how inhibitory synapses prevent the transmission of a nerve impulse.
[2 marks]
for more papers: tyrionpapers.com
, 4
Do not write
outside the
box
0 1 . 4 Movement of a limb requires more than one skeletal muscle.
Explain why skeletal muscles must act in antagonistic pairs to bring about
movement at a joint.
[2 marks]
0 1 . 5 Figure 2 shows part of a myofibril in a relaxed muscle and in a contracted muscle
.
Describe two changes that occur in the sarcomere when a muscle contracts.
Figure 2 [2 marks]
Figure 2
Turn over ►
for more papers: tyrionpapers.com
