Exam (elaborations)
Edexcel A Level Biology B May-June 2024 Question Paper 3 (9bi0-03)
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Edexcel A Level Biology B May-June 2024 Question Paper 3 (9bi0-03)
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Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
Wednesday 19 June 2024
Morning (Time: 2 hours 30 minutes) Paper
reference 9BI0/03
Biology B
Advanced
PAPER 3: General and Practical Principles in Biology
You must have: Total Marks
Scientific calculator, HB 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.
Answer the questions in the spaces provided
– there may be more space than you need.
Information
•• The total mark for this paper is 120.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• Instructure
question(s) 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
P78665A
©2024 Pearson Education Ltd.
F:1/1/1/1/1/1/
*P78665A0144*
, Answer ALL questions.
1 A student made a root tip squash to observe the stages of mitosis.
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
(a) Name the region of the root tip where cells are actively dividing.
(1)
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(b) Give one reason for each of the following:
(i) Treating the root tip with strong acid
(1)
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(ii) Adding a stain to the root tip
(1)
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(iii) Pressing lightly on the coverslip
(1)
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*P78665A0244*
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