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Pearson Edexcel Level 3 GCE Advanced Subsidiary PAPER 1: Core Cellular Biology and Microbiology QP MAY 2024
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Pearson Edexcel Level 3 GCE Advanced Subsidiary PAPER 1: Core Cellular Biology and Microbiology QP MAY 2024

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  • September 7, 2024
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Please check the examination details below before entering your candidate information
Candidate surname Other names


Centre Number Candidate Number




Pearson Edexcel Level 3 GCE
Monday 13 May 2024
Morning (Time: 1 hour 30 minutes) Paper
reference 8BI0/01
Biology B 🞍 🞍




Advanced Subsidiary
PAPER 1: Core Cellular Biology and Microbiology

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

Pearson Edexcel Level 3 GCE Advanced Subsidiary PAPER 1: Core Cellular Biology and Microbiology
QP MAY 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.
Answer the questions in the spaces provided
– there may be more space than you need.

Information

•• The total mark for this paper is 80.
The marks for each question are shown in brackets

• Instructure
– use this as a guide as to how much time to spend on each question.
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


P74474A
©2024 Pearson Education Ltd.
F:1/1/1/1/1/1/1/1/1/1/1/

, Answer ALL questions.
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 (a) Plants take up magnesium ions and nitrate ions from the soil. These inorganic
ions are dissolved in the water in the soil.

(i) Magnesium ions and nitrate ions are incorporated into molecules made by
the plant.

Which row in the table shows the molecules that incorporate these ions?
(1)


amino acids chlorophyll nucleotides

A magnesium ions nitrate ions magnesium ions

B magnesium ions nitrate ions nitrate ions

C nitrate ions magnesium ions nitrate ions




DO NOT WRITE IN THIS AREA
D nitrate ions magnesium ions magnesium ions


(ii) Explain why these ions dissolve in water.
(2)

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2
🞍🞍🞍🞍

, (b) The graph shows the uptake of nitrate ions by a plant in the presence and
absence of oxygen.
DO NOT WRITE IN THIS AREA




60
with oxygen



50



40


Uptake of
nitrate ions 30
/ arbitrary
units without oxygen


20
DO NOT WRITE IN THIS AREA




10



0
0 20 40 60 80 100 120
Time / minutes

Analyse the data to describe two conclusions that can be made about the uptake
of nitrate ions by this plant.
(2)

1 . . . . . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . ... . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . . . .. . .. . .. . . .. . .. . .. .
DO NOT WRITE IN THIS AREA




. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . . . . ... . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . ... . . .. . .. . .. .



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2 . . . . . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . ... . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . .. .



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(Total for Question 1 = 5 marks)




3
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