Please check the examination details below before entering your candidate
information
Candidate surname Other names
Centre Candidate
Number Number
Pearson Edexcel Level 3
GCE
Friday 16 June 2023
Morning (Time: 2
hours) referenc
e
9BN0/0
Biology A (Salters 2
Advanced
Nuffield)
PAPER 2: Energy, Exercise and
Coordination
You must have: Total
Scientific calculator, pencil, Marks
ruler
Instructions
•• Use black ink or ball-point
Fill in the boxes at the top of this page with your name,
centre number and candidate number.
•• pen.
Answer all
Show your working in any calculation questions and include units in your answer
where appropriate.
• questions.
Answer the questions in the spaces
provided – there may be more space than
you need.
Information
•• The total mark for this paper is
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each
• 100.
question. You may use a scientific calculator.
• Into questions marked with an asterisk (*), marks will be awarded for your ability
structure your answer logically showing how the points that you make are
related or follow on from each other where appropriate.
Advic
•
e Read each question carefully before you start to answer it.
• Try
•
to answer every
Check your answers if you have time at the L
t
question. d
.
end. N
:
1
/
1
1
,/1/1/
Turn over
,
, Answer ALL questions.
Write your answers in the spaces provided.
AREA
DO NOT WRITE IN THIS
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
AREA
DO NOT WRITE IN THIS
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
AREA
DO NOT WRITE IN THIS
D telophase
2
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