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Pearson Edexcel International A Level Biology Paper 1 Question Paper 2023 (WBI12/01: Cells, Development, Biodiversity and Conservation) $18.04   Add to cart
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Pearson Edexcel International A Level Biology Paper 1 Question Paper 2023 (WBI12/01: Cells, Development, Biodiversity and Conservation)

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Pearson Edexcel International A Level Biology Paper 1 Question Paper 2023 (WBI12/01: Cells, Development, Biodiversity and Conservation)

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  • May 31, 2024
  • 36
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • wbi1201
  • pearson edexcel international a level biology
  • pearson edexcel a level biology paper 1 2023
  • a level biology paper 1 question paper 2023
  • international a level biology paper 1 question s

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  • Pearson Edexcel A Level Biology Paper 1
  • Pearson Edexcel A Level Biology Paper 1

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*P75616A0136*
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©2023 Pearson Education Ltd.
Z:1/1/1/1/1/Please check the examination details below before entering your candidate information Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel International Advanced Level
Thursday 12 October 2023
Morning (Time: 1 hour 30 minutes)WBI12/01Paper
reference Total Marks Biology
International Advanced Subsidiary/Advanced Level
UNIT 2: Cells, Development, Biodiversity and Conservation
You must have:
Scientific calculator, ruler, HB pencil
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 .• Show all your working out in calculations and include units where appropriate.
Information
• The total mark for this paper is 80.• The marks for each question are shown in brackets – use this as a guide as to how much time to spend on each question .• In questions labelled with an asterisk (*), marks will be awarded for your ability 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.• Keep an eye on the time• Try to answer every question.• Check your answers if you have time at the end. *P75616A0236*
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2
Answer ALL questions.
Write your answers in the space provided.
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 The diagram shows part of a cell at the start of metaphase I of meiosis.
chromatid B
chromatid Cchromatid A
chromatid Dorganelle T (a) Which is organelle T?
(1) A centriole B lysosome C nucleolus D ribosome (b) Explain why it is possible for chromatid A to be genetically different from chromatid B.
(2)
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DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA (c) A student was asked to draw the four haploid cells produced by this cell in metaphase I of meiosis. The diagram shows the incomplete drawings produced by this student. Complete the drawings to show the four haploid cells produced.
(2)
(Total for Question 1 = 5 marks) *P75616A0436*
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4
2 The photograph shows some pollen grains, as seen using an electron microscope.
(Source: BSIP SA / Alamy Stock Photo)
Scale bar 20 μm (a) Calculate the magnification of this photograph. Give your answer to two significant figures.
(2)
Answer .............................................................................................

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