Advanced Level In
Biology A Salters
Nuffield (9BN0)
Paper 02: Energy,
Exercise and
Coordination
Pearson Edexcel
Advanced Level In
Biology A Salters
Nuffield (9BN0)
Paper 02: Energy,
Exercise and
Coordination 2024
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Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
Friday 14 June 2024
Morning (Time: 2 hours)
Paper
reference 9BN0/02
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Biology A (Salters Nuffield)
Advanced
PAPER 2: Energy, Exercise and Coordination
You must have: Total Marks
Scientific calculator, pencil, ruler
Instructions
• Use
• numbertheandboxescandidate
black ink or ball-point pen.
Fill in at the top of this page with your name,centre
number.
• Answer all questions.
• Show your working in any calculation questions and include units in youranswer
• Answer the questions in the spaces provided
where appropriate.
– there may be more space than you need.
Information
• The
• – usemarks
total mark for this paper is 100.
The for each question are shown in brackets
• use a scientific calculator.
this as a guide as to how much time to spend on each question.You may
• In question(s) marked with an asterisk (*), marks will be awarded for your ability to
structure your answer logically showing how the points that you make are related orfollow on from
each other where appropriate.
Advice
• Read
• answer every question.
each question carefully before you start to answer it. Try to
• Check your answers if you have time at the end. Turn over
, Answer ALL questions. Write your answers in the spaces provided.
Some questions must be answered with a cross in a box . If you change your mind about an
DO NOT WRITE IN THIS AREA
answer, put a line through the box and then mark your new answer with a cross .
1 Cells in the human brain use glucose as a respiratory substrate.
(a) The diagram represents a glucose molecule.
The letters P–V represent atoms or groups in the glucose molecule used as arespiratory
substrate.
P
Q R
V S
U T
(i) Which atom does R represent?
DO NOT WRITE IN THIS AREA
(1)
A carbon
B hydrogen
C nitrogen
D oxygen
(ii) Which group does P represent?
(1)
A CH2OH
B CH3
C COOH
D OH
2
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