Pearson Edexcel GCSE Biology (1BI0/1) Paper 1 – 2026 Updated Exam Questions & Verified Answers

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Pearson Edexcel Level 1/Level 2 GCSE (9–1)
Tuesday 16 May 2023
Morning (Time: 1 hour 45 minutes) Paper
reference 1BI0/1F
Biology
PAPER 1

Foundation Tier
You must have: Total Marks
Ruler, calculator



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 100.
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.
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


P72626A
©2023 Pearson Education Ltd.
N:1/1/1/1/

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Answer ALL questions. Write your answers in the spaces provided.

Some questions must be answered with a cross in a box . If you change your mind about an




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answer, put a line through the box and then mark your new answer with a cross .

1 (a) Figure 1 shows an animal cell.




Y


Z




Figure 1




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(i) Which part of the cell is labelled Y?
(1)
A cell wall
B cell membrane

C nucleus

D cytoplasm


(ii) Which structures are found in the part labelled Z?
(1)
A chromosomes

B mitochondria
C ribosomes DO NOT WRITE IN THIS AREA

D vacuoles


(iii) Name the part of an animal cell where respiration occurs.
(1)

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




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(b) A microscope can be used to observe the structure of a cell.
Figure 2 shows a microscope.
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©
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vRouDhi/Shutterstock
Figure 2

(i) Give one advantage of using a microscope vto vlook v at
v cells. (1)

. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . v v .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . ... . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . v v ...................... v


. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . v v .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . ... . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . v v ...................... v
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(ii) Draw vone vstraight vline vfrom veach vpart vof vthe vmicroscope vto vits
vfunction. (2)




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part vof vthe vmicroscope function


to place a slide on




to carry the microscope

eyepiece

to make the cells
look brighter
stage
to look through to see




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the cells


to reflect light onto
the cells

(c) Figure v3 vshows vsome vof vthe vunits vused vwhen vcells vand vorganelles vare vmeasured.


micrometre = 10–6 m picometre = 10–12 m
nanometre = 10–9 m millimetre = 10–3 m


Figure v 3

Give vthe vname vof vthe vsmallest vunit vshown vin vFigure v3.
(1)
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. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . v v .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . ... . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . v v ...................... v


(Total vfor vQuestion v1 v= v7 vmarks)




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