Pearson Edexcel Level 3 GCE Biology A (Salters Nuffield) Advanced PAPER 2: Energy, Exercise and Coordination QP JUNE 2024

Pearson Edexcel Level 3 GCE Biology A (Salters Nuffield) Advanced PAPER 2: Energy,
Exercise and Coordination QP JUNE 2024




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, Please check the examination details below before entering your candidate information

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Centre Number Candidate Number




Pearson Edexcel Level 3 GCE
Friday 14 June 2024
reference 9BN0/02
Morning (Time: 2 hours) Paper

Biology A (Salters Nuffield) 


Advanced
PAPER 2: Energy, Exercise and Coordination

You must have: Total Marks
Scientific calculator, pencil, ruler

Pearson Edexcel Level 3 GCE Biology A (Salters Nuffield) Advanced PAPER 2: Energy, Exercise
and Coordination QP JUNE 2024
Instructions
• Use black ink or ball-point pen.
• Fill in the boxes at the top of this page with your name,
centre number and candidate number.
• Answer all questions.

• Show your working in any calculation questions and include units in your
answer where appropriate.
• Answer the questions in the spaces provided
– there may be more space than you need.
Information
• The total mark for this paper is 100.
• The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• You may use a scientific calculator.

• Inability
question(s) marked with an asterisk (*), marks will be awarded for your
to structure your answer logically showing how the points that you make
are related or follow on from each other where appropriate.
Advice
• Read each question carefully before you start to answer it.
•• Try to answer every question.
Check your answers if you have time at the end.
Turn over


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©2024 Pearson Education Ltd.
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, 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 a respiratory substrate.

P

Q R

V S

U T

(i) Which atom does R represent?




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(1)
A carbon

B hydrogen

C nitrogen

D oxygen


(ii) Which group does P represent?
(1)
A CH2OH

B CH3

C COOH

D OH
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, (b) PET, MRI and fMRI are methods for scanning the brain.

PET uses labelled glucose. This glucose can be detected so that PET can
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be used to identify brain tumours.
(i) Describe the advantages of using PET and fMRI rather than MRI
scans to investigate a possible tumour in the brain.
(2)

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(ii) The images show brain scans produced from two imaging techniques
other than PET.




Image 1 Image 2
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(Source: ZEPHYR/SCIENCE PHOTO LIBRARY) (Source: ALFRED PASIEKA/SCIENCE PHOTO LIBRARY)


State how image 1 can be identified as being produced by CT and
image 2 by MRI.
(1)

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