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EDEXCEL BIOLOGY A A LEVEL JUNE 2023 8bn0 PAPER 2 ENERGY, EXERCISE AND COORDINATION
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EDEXCEL BIOLOGY A A LEVEL JUNE 2023 8bn0 PAPER 2 ENERGY, EXERCISE AND COORDINATION
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AS AND A LEVEL EXAM PREP MATERIALEXAM PREP
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EXERCISE AND COORDINATION.pd
AY
, EDEXCEL A LEVEL JUNE 2023
Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
Friday 16 June 2023
Morning (Time: 2 hours) Paper
reference 9BN0/02
Biology A (Salters Nuffield)
Advanced
PAPER 2: Energy, Exercise and Coordination
You must have: Total Marks
Scientific calculator, pencil, ruler
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.
• Instructure
questions marked with an asterisk (*), marks will be awarded for your ability to
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
P71907A
©2023 Pearson Education Ltd.
N:1/1/1/1/
*P71907A0132*
TYRIONPAPERS.COM
, Answer ALL questions.
Write your answers in the spaces provided.
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
Some questions must be answered with a cross in a box . If you change your mind about an
answer, put a line through the box and then mark your new answer with a cross .
1 During growth, cells divide by mitosis. Many organisms also carry out meiosis to
enable sexual reproduction.
(a) (i) In which stage of cell division do spindle fibres attach to the centromeres?
(1)
A anaphase
B interphase
C metaphase
D telophase
(ii) In which stage of the cell division does the nuclear membrane start to
break down?
(1)
A interphase
B metaphase
C prophase
D telophase
(iii) In which stage of cell division are chromatids first visible when using a
light microscope?
(1)
A interphase
B metaphase
C prophase
D telophase
2
*P71907A0232*
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