Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel International GCSE (9–1)
Friday 10 May 2024
Morning (Time: 2 hours) Paper
reference 4BI1/1BR 4SD0/1BR
Biology 🞍 🞍
UNIT: 4BI1
Science (Double Award) 4SD0
PAPER: 1BR
You must have: Total Marks
Ruler, calculator
Pearson Edexcel International GCSE (9–1) Biology UNIT: 4BI1 Science (Double Award) 4SD0 PAPER: 1BR QP
MAY 2024
Instructions
•• Use black ink or ball-point pen.
If pencil is used for diagrams/sketches/graphs it must be dark (HB or B).
• centre
Fill in the boxes
number andatcandidate
the top ofnumber.
this page with your name,
•• Answer
Answer allthequestions.
questions in the spaces provided
– there may be more space than you need.
Information
•• The total mark for this paper is 110.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
Advice
• Read each question carefully before you start to answer it.
• Try to answer every question.
• your answers if you have time at the end.
Check
Turn over
P75814A
©2024 Pearson Education Ltd.
F:1/1/1/1/1/1/1/
,DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
🞍🞍🞍🞍
BLANK PAGE
2
, 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 The image shows some cells from onion epidermis.
nucleus
cell wall
cytoplasm
DO NOT WRITE IN THIS AREA
(Source: © TED KINSMAN / SCIENCE PHOTO LIBRARY)
(a) (i) Some structures in these onion cells are also found in human red blood cells.
Which row in the table is correct for human red blood cells?
(1)
Cell wall Cytoplasm Nucleus
A absent absent absent
DO NOT WRITE IN THIS AREA
B absent absent present
C absent present absent
D present present absent
3
🞍🞍🞍🞍 Turn over
, (ii) The onion cells in the image are all epidermis cells.
What is the term for a collection of cells of the same type?
DO NOT WRITE IN THIS AREA
(1)
A organ
B organism
C system
D tissue
(b) The images show samples of red onion epidermis cells before and after being
placed into a 5% sucrose solution for one hour.
DO NOT WRITE IN THIS AREA
(Source: © J.C. REVY, ISM / SCIENCE PHOTO LIBRARY)
Before
DO NOT WRITE IN THIS AREA
(Source: © J.C. REVY, ISM / SCIENCE PHOTO LIBRARY)
After
4
🞍🞍🞍🞍
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel International GCSE (9–1)
Friday 10 May 2024
Morning (Time: 2 hours) Paper
reference 4BI1/1BR 4SD0/1BR
Biology 🞍 🞍
UNIT: 4BI1
Science (Double Award) 4SD0
PAPER: 1BR
You must have: Total Marks
Ruler, calculator
Pearson Edexcel International GCSE (9–1) Biology UNIT: 4BI1 Science (Double Award) 4SD0 PAPER: 1BR QP
MAY 2024
Instructions
•• Use black ink or ball-point pen.
If pencil is used for diagrams/sketches/graphs it must be dark (HB or B).
• centre
Fill in the boxes
number andatcandidate
the top ofnumber.
this page with your name,
•• Answer
Answer allthequestions.
questions in the spaces provided
– there may be more space than you need.
Information
•• The total mark for this paper is 110.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
Advice
• Read each question carefully before you start to answer it.
• Try to answer every question.
• your answers if you have time at the end.
Check
Turn over
P75814A
©2024 Pearson Education Ltd.
F:1/1/1/1/1/1/1/
,DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
🞍🞍🞍🞍
BLANK PAGE
2
, 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 The image shows some cells from onion epidermis.
nucleus
cell wall
cytoplasm
DO NOT WRITE IN THIS AREA
(Source: © TED KINSMAN / SCIENCE PHOTO LIBRARY)
(a) (i) Some structures in these onion cells are also found in human red blood cells.
Which row in the table is correct for human red blood cells?
(1)
Cell wall Cytoplasm Nucleus
A absent absent absent
DO NOT WRITE IN THIS AREA
B absent absent present
C absent present absent
D present present absent
3
🞍🞍🞍🞍 Turn over
, (ii) The onion cells in the image are all epidermis cells.
What is the term for a collection of cells of the same type?
DO NOT WRITE IN THIS AREA
(1)
A organ
B organism
C system
D tissue
(b) The images show samples of red onion epidermis cells before and after being
placed into a 5% sucrose solution for one hour.
DO NOT WRITE IN THIS AREA
(Source: © J.C. REVY, ISM / SCIENCE PHOTO LIBRARY)
Before
DO NOT WRITE IN THIS AREA
(Source: © J.C. REVY, ISM / SCIENCE PHOTO LIBRARY)
After
4
🞍🞍🞍🞍
