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 4BI1/1B 4SD0/1B
Biology
UNIT: 4BI1
Science (Double Award) 4SD0
PAPER: 1B
You must have: Total Marks
Ruler, calculator
Instructions
•• Use black ink or ball-point pen.
If pencil is used for diagrams/sketches/graphs it must be dark (HB or B).
• 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 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.
• Check your answers if you have time at the end.
Turn over
P75813A
©2024 Pearson Education Ltd.
F:1/1/1/1/1/1/1/1/1/
*P75813A0132*
, 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 diagram shows part of a food web from an oak woodland.
tick blue jay
beetle
ant
squirrel
mouse
DO NOT WRITE IN THIS AREA
deer
caterpillar
oak tree
DO NOT WRITE IN THIS AREA
2
*P75813A0232*
, (a) (i) Which is the producer in this food web?
(1)
DO NOT WRITE IN THIS AREA
A beetle
B deer
C oak tree
D tick
(ii) Draw a food chain, from this web, that includes the mouse and contains four
trophic levels.
(2)
DO NOT WRITE IN THIS AREA
(iii) Which one of these organisms is in two different trophic levels in this
food web?
(1)
A ant
B blue jay
C caterpillar
DO NOT WRITE IN THIS AREA
D mouse
3
*P75813A0332* Turn over
, (b) A tick is a small spider-like organism that bites and then takes in blood from the
mammals as it feeds.
DO NOT WRITE IN THIS AREA
This is a magnified image of a tick.
DO NOT WRITE IN THIS AREA
A B
(Source: © Evgdemidova / Shutterstock)
(i) The actual length of the tick, as shown by line A-B, is 3.5 mm.
Calculate the magnification of the image of the tick.
(2)
DO NOT WRITE IN THIS AREA
magnification = ×.............................................................
4
*P75813A0432*
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel International GCSE (9-1)
Friday 10 May 2024
Morning (Time: 2 hours) Paper
reference 4BI1/1B 4SD0/1B
Biology
UNIT: 4BI1
Science (Double Award) 4SD0
PAPER: 1B
You must have: Total Marks
Ruler, calculator
Instructions
•• Use black ink or ball-point pen.
If pencil is used for diagrams/sketches/graphs it must be dark (HB or B).
• 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 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.
• Check your answers if you have time at the end.
Turn over
P75813A
©2024 Pearson Education Ltd.
F:1/1/1/1/1/1/1/1/1/
*P75813A0132*
, 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 diagram shows part of a food web from an oak woodland.
tick blue jay
beetle
ant
squirrel
mouse
DO NOT WRITE IN THIS AREA
deer
caterpillar
oak tree
DO NOT WRITE IN THIS AREA
2
*P75813A0232*
, (a) (i) Which is the producer in this food web?
(1)
DO NOT WRITE IN THIS AREA
A beetle
B deer
C oak tree
D tick
(ii) Draw a food chain, from this web, that includes the mouse and contains four
trophic levels.
(2)
DO NOT WRITE IN THIS AREA
(iii) Which one of these organisms is in two different trophic levels in this
food web?
(1)
A ant
B blue jay
C caterpillar
DO NOT WRITE IN THIS AREA
D mouse
3
*P75813A0332* Turn over
, (b) A tick is a small spider-like organism that bites and then takes in blood from the
mammals as it feeds.
DO NOT WRITE IN THIS AREA
This is a magnified image of a tick.
DO NOT WRITE IN THIS AREA
A B
(Source: © Evgdemidova / Shutterstock)
(i) The actual length of the tick, as shown by line A-B, is 3.5 mm.
Calculate the magnification of the image of the tick.
(2)
DO NOT WRITE IN THIS AREA
magnification = ×.............................................................
4
*P75813A0432*
