Candidate surname Other names
Centre Number Candidate Number
Paper
4
Marks
calculator
Pearson Edexcel Level 1/Level 2 GCSE (9–1) Combined Science PAPER 4 Higher Tier
Question Paper 2023
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 60.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• Instructure
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.
• your answers if you have time at the end.
Check
Turn over
P72561A
©2023 Pearson Education Ltd.
N:1/1/
,DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
■■■■
BLANK PAGE
2
, 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
answer, put a line through the box and then mark your new answer with a cross .
DO NOT WRITE IN THIS AREA
1 People with diabetes cannot always control the concentration of glucose in
their blood.
(a) Two people eat identical meals.
One person has diabetes, the other person does not have diabetes.
Figure 1 shows the concentration of glucose in the blood of these two people
after eating the meals.
20
15
concentration of
glucose in blood 10 person with diabetes
in mmol per dm3
5 person who does
not have diabetes
DO NOT WRITE IN THIS AREA
0
0 2 4 6
time after eating the meal in hours
Figure 1
(i) Calculate the maximum increase in the concentration of glucose in the blood
of the person with diabetes.
(1)
. .............................................................. mmol per dm 3
DO NOT WRITE IN THIS AREA
(ii) Water moved out of the red blood cells of the person with diabetes when the
concentration of glucose in the blood was above 15 mmol per dm3.
Explain why water moved out of the red blood cells of the person
with diabetes.
(2)
. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. .. ... .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. . . . ......................
. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. .. ... .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. . . . ......................
. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. .. ... .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. . . . ......................
. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. . .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. .. ... .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. . . . ......................
3
■■■■ Turn over
Centre Number Candidate Number
Paper
4
Marks
calculator
Pearson Edexcel Level 1/Level 2 GCSE (9–1) Combined Science PAPER 4 Higher Tier
Question Paper 2023
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 60.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• Instructure
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.
• your answers if you have time at the end.
Check
Turn over
P72561A
©2023 Pearson Education Ltd.
N:1/1/
,DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
■■■■
BLANK PAGE
2
, 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
answer, put a line through the box and then mark your new answer with a cross .
DO NOT WRITE IN THIS AREA
1 People with diabetes cannot always control the concentration of glucose in
their blood.
(a) Two people eat identical meals.
One person has diabetes, the other person does not have diabetes.
Figure 1 shows the concentration of glucose in the blood of these two people
after eating the meals.
20
15
concentration of
glucose in blood 10 person with diabetes
in mmol per dm3
5 person who does
not have diabetes
DO NOT WRITE IN THIS AREA
0
0 2 4 6
time after eating the meal in hours
Figure 1
(i) Calculate the maximum increase in the concentration of glucose in the blood
of the person with diabetes.
(1)
. .............................................................. mmol per dm 3
DO NOT WRITE IN THIS AREA
(ii) Water moved out of the red blood cells of the person with diabetes when the
concentration of glucose in the blood was above 15 mmol per dm3.
Explain why water moved out of the red blood cells of the person
with diabetes.
(2)
. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. .. ... .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. . . . ......................
. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. .. ... .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. . . . ......................
. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. .. ... .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. . . . ......................
. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. . .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. .. ... .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. .. .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. . . . ......................
3
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