Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
Thursday 21 May 2026
Morning (Time: 1 hour 30 minutes) Paper
reference 8BN0/02
Biology A (Salters Nuffield)
Advanced Subsidiary
PAPER 2: Development, Plants and the Environment
You must have: Total Marks
Calculator, HB pencil, ruler
Instructions
• Use black ink or ball‑point pen.
• centrethe
Fill in boxes at the top of this page with your name,
number and candidate number.
• Show yourall questions.
Answer
• where appropriate.
working in any calculation questions and include units in your answer
• Answer the questions in the spaces provided
– there may be more space than you need.
Information
• The total mark for this paper is 80.
• – usemarks
The for each question are shown in brackets
this as a guide as to how much time to spend on each question.
• You may use a scientific calculator.
• structure yourmarked
In questions with an asterisk (*), marks will be awarded for your ability to
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
P79079A
©2026 Pearson Education Ltd.
P:1/1/1/1/1/
*P79079A0128*
, 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 DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
answer, put a line through the box and then mark your new answer with a cross .
1 All living organisms are made of cells.
(a) Some cells produce extracellular enzymes.
Extracellular enzymes are needed for processes outside of the cell, such
as digestion.
The photograph shows a cell that releases digestive enzymes into the stomach.
structure 1
vesicle
containing
enzymes
structure 2
(Source: © ThePrint Collector/Alamy Stock Photo)
(i) Which of the following correctly identifies the structures labelled 1 and 2 on
this photograph?
(1)
Structure 1 Structure 2
A Golgi apparatus chloroplast
B Golgi apparatus mitochondrion
C rough endoplasmic reticulum chloroplast
D rough endoplasmic reticulum mitochondrion
2
*P79079A0228*
, (ii) Enzymes are proteins. These proteins are produced on ribosomes in the cell.
Describe how the protein molecules are modified and transported from the
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
ribosomes to the vesicle labelled on the photograph.
(4)
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3
*P79079A0328* Turn over
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
Thursday 21 May 2026
Morning (Time: 1 hour 30 minutes) Paper
reference 8BN0/02
Biology A (Salters Nuffield)
Advanced Subsidiary
PAPER 2: Development, Plants and the Environment
You must have: Total Marks
Calculator, HB pencil, ruler
Instructions
• Use black ink or ball‑point pen.
• centrethe
Fill in boxes at the top of this page with your name,
number and candidate number.
• Show yourall questions.
Answer
• where appropriate.
working in any calculation questions and include units in your answer
• Answer the questions in the spaces provided
– there may be more space than you need.
Information
• The total mark for this paper is 80.
• – usemarks
The for each question are shown in brackets
this as a guide as to how much time to spend on each question.
• You may use a scientific calculator.
• structure yourmarked
In questions with an asterisk (*), marks will be awarded for your ability to
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
P79079A
©2026 Pearson Education Ltd.
P:1/1/1/1/1/
*P79079A0128*
, 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 DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
answer, put a line through the box and then mark your new answer with a cross .
1 All living organisms are made of cells.
(a) Some cells produce extracellular enzymes.
Extracellular enzymes are needed for processes outside of the cell, such
as digestion.
The photograph shows a cell that releases digestive enzymes into the stomach.
structure 1
vesicle
containing
enzymes
structure 2
(Source: © ThePrint Collector/Alamy Stock Photo)
(i) Which of the following correctly identifies the structures labelled 1 and 2 on
this photograph?
(1)
Structure 1 Structure 2
A Golgi apparatus chloroplast
B Golgi apparatus mitochondrion
C rough endoplasmic reticulum chloroplast
D rough endoplasmic reticulum mitochondrion
2
*P79079A0228*
, (ii) Enzymes are proteins. These proteins are produced on ribosomes in the cell.
Describe how the protein molecules are modified and transported from the
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
ribosomes to the vesicle labelled on the photograph.
(4)
. . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .
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3
*P79079A0328* Turn over
