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 Fill in the boxescentre number and candidate number.black
ink or ball-point pen.
.
• to structure your answer logically, showing how the points that you
make are In the question marked with an asterisk (*), marks will be
awarded for your ability 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.Check your answers if you have time at the end.
, Turn over
P79171RA ©2025 Pearson Education Ltd.
Y:1/1/1/
*P79171RA0120*
2
, Answer ALL questions. Write your answers in the spaces provided.
Some questions must be answered with a cross in .aIfbox
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-producin
g 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
3
Turn over
, *P79171RA0220*
4
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 Fill in the boxescentre number and candidate number.black
ink or ball-point pen.
.
• to structure your answer logically, showing how the points that you
make are In the question marked with an asterisk (*), marks will be
awarded for your ability 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.Check your answers if you have time at the end.
, Turn over
P79171RA ©2025 Pearson Education Ltd.
Y:1/1/1/
*P79171RA0120*
2
, Answer ALL questions. Write your answers in the spaces provided.
Some questions must be answered with a cross in .aIfbox
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-producin
g 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
3
Turn over
, *P79171RA0220*
4
