2025 Pearson Edexcel Level 1/Level 2 GCSE (9–1) Combined Science PAPER 4 Higher Tier
Combined Question Paper and Marking Scheme
Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 1/Level 2 GCSE (9–1)
Monday 9 June 2025
Morning (Time: 1 hour 10 minutes) Paper
reference 1SC0/2BH
Combined Science
PAPER 4
Higher Tier
You must have: Total Marks
Ruler, calculator
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.
• Into structure
the question marked with an asterisk (*), marks will be awarded for your ability
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.
• Check
Try to answer every question.
• your answers if you have time at the end.
Turn over
P79171RA
,©2025 Pearson Education Ltd.
Y: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 (a) Figure 1 shows a diagram of mucus‑producing goblet cells and ciliated epithelial
cells in the airways of the lungs.
ciliated
epithelial
mucus-producing cell
goblet cell
(Source: © K.K.T Madhusanka/Shutterstock)
Figure 1
DO NOT WRITE IN THIS AREA
Describe how pathogens are removed from the airways by ciliated epithelial cells.
(2)
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2
, (b) During a race, athletes respire aerobically and anaerobically.
Figure 2 shows an athlete after a race.
DO NOT WRITE IN THIS AREA
(Source: © voronaman/Shutterstock)
Figure 2
Explain how aerobic respiration provides energy for running.
DO NOT WRITE IN THIS AREA
(2)
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DO NOT WRITE IN THIS AREA
3
Turn over
Combined Question Paper and Marking Scheme
Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 1/Level 2 GCSE (9–1)
Monday 9 June 2025
Morning (Time: 1 hour 10 minutes) Paper
reference 1SC0/2BH
Combined Science
PAPER 4
Higher Tier
You must have: Total Marks
Ruler, calculator
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.
• Into structure
the question marked with an asterisk (*), marks will be awarded for your ability
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.
• Check
Try to answer every question.
• your answers if you have time at the end.
Turn over
P79171RA
,©2025 Pearson Education Ltd.
Y: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 (a) Figure 1 shows a diagram of mucus‑producing goblet cells and ciliated epithelial
cells in the airways of the lungs.
ciliated
epithelial
mucus-producing cell
goblet cell
(Source: © K.K.T Madhusanka/Shutterstock)
Figure 1
DO NOT WRITE IN THIS AREA
Describe how pathogens are removed from the airways by ciliated epithelial cells.
(2)
............................................................................................................................... ............................................................................................................................... ......................
............................................................................................................................... ............................................................................................................................... ......................
............................................................................................................................... ............................................................................................................................... ......................
............................................................................................................................... ............................................................................................................................... ......................
............................................................................................................................... ............................................................................................................................... ......................
DO NOT WRITE IN THIS AREA
2
, (b) During a race, athletes respire aerobically and anaerobically.
Figure 2 shows an athlete after a race.
DO NOT WRITE IN THIS AREA
(Source: © voronaman/Shutterstock)
Figure 2
Explain how aerobic respiration provides energy for running.
DO NOT WRITE IN THIS AREA
(2)
............................................................................................................................... ............................................................................................................................... ......................
............................................................................................................................... ............................................................................................................................... ......................
............................................................................................................................... ............................................................................................................................... ......................
............................................................................................................................... ............................................................................................................................... ......................
............................................................................................................................... ............................................................................................................................... ......................
DO NOT WRITE IN THIS AREA
3
Turn over
