Pearson Edexcel Level 3 GCE Biology A (Salters Nuffield )
Advanced Subsidiary PAPER 2: Development, Plants and
the Environment (BN0/02)
Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
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
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.
• Show your working in any calculation questions and include units in your answer
where appropriate.
• 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
– use 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.
• TCrhyetcok aynosuwrearnesvweerrysqifuyeostuiohna.ve time at the end. Turn over
,P78688A
©2025 Pearson Education Ltd.
Y:1/1/1/1/
, 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
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) The image shows an electronmicrograph of an organelle found only in
eukaryotic cells.
A
B
DO NOT WRITE IN THIS AREA
(Source: © Omikron/SCIENCE PHOTO LIBRARY)
magnification ×44 000
(i) This organelle is not found in prokaryotic cells.
Explain why this type of organelle is present only in eukaryotic cells and not
in prokaryotic cells.
(2)
. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. .. ... .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. . .. ......................
. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. .. ... .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. . .. ......................
. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. .. ... .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. . .. ......................
. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. .. ... .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. . .. ......................
DO NOT WRITE IN THIS AREA
. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. .. ... .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. . . ... .. .. ... .. .. ... .. ... .. .. . ......................
(ii) Calculate the width of this organelle from A to B, as shown in the image.
Give your answer in micrometres (µm) to two significant figures.
(2)
. .............................................................. µm
2
,
(b) The image shows an electronmicrograph of part of a eukaryotic cell.
DO NOT WRITE IN THIS AREA
E
F
G
(Source: © Don Fawcett/SCIENCE PHOTO LIBRARY)
DO NOT WRITE IN THIS AREA
(i) Which row in the table identifies structures E, F and G?
(1)
Structure E Structure F Structure G
A chloroplast centriole nucleus
B chloroplast Golgi apparatus nuclear membrane
C mitochondrion centriole nuclear membrane
D mitochondrion Golgi apparatus nucleus
(ii) Which row of the table shows the processes that involve structures E and F?
(1)
DO NOT WRITE IN THIS AREA
Structure E Structure F
A photosynthesis mitosis
B photosynthesis protein synthesis
C respiration mitosis
D respiration photosynthesis
(Total for Question 1 = 6 marks)
3
Turn over
Advanced Subsidiary PAPER 2: Development, Plants and
the Environment (BN0/02)
Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
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
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.
• Show your working in any calculation questions and include units in your answer
where appropriate.
• 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
– use 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.
• TCrhyetcok aynosuwrearnesvweerrysqifuyeostuiohna.ve time at the end. Turn over
,P78688A
©2025 Pearson Education Ltd.
Y:1/1/1/1/
, 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
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) The image shows an electronmicrograph of an organelle found only in
eukaryotic cells.
A
B
DO NOT WRITE IN THIS AREA
(Source: © Omikron/SCIENCE PHOTO LIBRARY)
magnification ×44 000
(i) This organelle is not found in prokaryotic cells.
Explain why this type of organelle is present only in eukaryotic cells and not
in prokaryotic cells.
(2)
. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. .. ... .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. . .. ......................
. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. .. ... .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. . .. ......................
. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. .. ... .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. . .. ......................
. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. .. ... .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. . .. ......................
DO NOT WRITE IN THIS AREA
. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. .. ... .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. . . ... .. .. ... .. .. ... .. ... .. .. . ......................
(ii) Calculate the width of this organelle from A to B, as shown in the image.
Give your answer in micrometres (µm) to two significant figures.
(2)
. .............................................................. µm
2
,
(b) The image shows an electronmicrograph of part of a eukaryotic cell.
DO NOT WRITE IN THIS AREA
E
F
G
(Source: © Don Fawcett/SCIENCE PHOTO LIBRARY)
DO NOT WRITE IN THIS AREA
(i) Which row in the table identifies structures E, F and G?
(1)
Structure E Structure F Structure G
A chloroplast centriole nucleus
B chloroplast Golgi apparatus nuclear membrane
C mitochondrion centriole nuclear membrane
D mitochondrion Golgi apparatus nucleus
(ii) Which row of the table shows the processes that involve structures E and F?
(1)
DO NOT WRITE IN THIS AREA
Structure E Structure F
A photosynthesis mitosis
B photosynthesis protein synthesis
C respiration mitosis
D respiration photosynthesis
(Total for Question 1 = 6 marks)
3
Turn over
