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)
Friday 10 May 2024
Morning (Time: 1 hour 10 minutes) Paper
reference 1SC0/1BF
Combined Science � �
PAPER 1
Foundation 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.
• 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.
• Check answer
Try to every question.
• your answers if you have time at the end.
Turn over
Pearson Edexcel GCSE
In Combined Science Biology(1SC0) Paper 1BF
, 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 bacterial cell.
W
Z
X
Y
Figure 1
DO NOT WRITE IN THIS AREA
(i) What is structure W?
(1)
A cell wall
B cytoplasm
C chromosomal DNA
D plasmid
(ii) Give the name of structure Z.
(1)
........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... .. .. .... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... .. ...... ..... . ........ ..
(iii) State the function of structure Z.
(1)
DO NOT WRITE IN THIS AREA
........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... .. ...... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... .. .... ...... .. ........ ..
........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... .. ...... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ..... . ..... ...... ...... ..... .. .... ...... .. ........ ..
2
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, (b) The human body has defences to protect against infection by bacteria.
Draw one straight line from each body defence to its function.
DO NOT WRITE IN THIS AREA
(2)
body defence function
moves pathogens away from the lungs
hydrochloric acid makes antibodies
destroys pathogens in the stomach
skin
makes antigens
DO NOT WRITE IN THIS AREA
stops pathogens entering the body
(c) Smoking tobacco is a lifestyle factor that can cause disease.
Name two other lifestyle factors that can cause disease.
(2)
1 .... ..... ...... ..... ...... ..... ...... ..... ...... ...... ..... .. ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... . .. ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... .. ...... ........ ...
2 .... ..... ...... ..... ...... ..... ...... ..... ...... ...... ..... .. ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... . .. ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... . ..... ...... ..... ...... .. ...... ........ ...
(Total for Question 1 = 7 marks)
DO NOT WRITE IN THIS AREA
3
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� Turn over
, 2 Figure 2 shows a method used to extract DNA from strawberries.
DO NOT WRITE IN THIS AREA
Stage 1 Stage 2
beaker
crushed strawberries,
salt solution and
washing up liquid
liquid containing
DNA
boiling tube
Stage 3 Stage 4
boiling tube
ice‑cold
ethanol
DO NOT WRITE IN THIS AREA
Figure 2
(a) (i) Complete the sentences using words from the box.
(2)
indicator membranes salt
substrates sugar vacuoles
Crushed strawberries are mixed with washing up liquid and
.............................................................. solution.
Washing up liquid helps to release DNA by breaking open cell
DO NOT WRITE IN THIS AREA
........ ..... ...... ..... ...... ..... ...... ...... ..... ...... .... .
(ii) Describe the method shown in stage 2.
(2)
........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... .. ...... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... .. .... ...... .. ........ ..
........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... .. ...... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... .. .... ...... .. ........ ..
........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... .. ...... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... .. .... ...... .. ........ ..
........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... .. ...... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ..... . ..... ...... ...... ..... .. .... ...... .. ........ ..
4
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Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 1/Level 2 GCSE (9–1)
Friday 10 May 2024
Morning (Time: 1 hour 10 minutes) Paper
reference 1SC0/1BF
Combined Science � �
PAPER 1
Foundation 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.
• 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.
• Check answer
Try to every question.
• your answers if you have time at the end.
Turn over
Pearson Edexcel GCSE
In Combined Science Biology(1SC0) Paper 1BF
, 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 bacterial cell.
W
Z
X
Y
Figure 1
DO NOT WRITE IN THIS AREA
(i) What is structure W?
(1)
A cell wall
B cytoplasm
C chromosomal DNA
D plasmid
(ii) Give the name of structure Z.
(1)
........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... .. .. .... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... .. ...... ..... . ........ ..
(iii) State the function of structure Z.
(1)
DO NOT WRITE IN THIS AREA
........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... .. ...... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... .. .... ...... .. ........ ..
........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... .. ...... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ..... . ..... ...... ...... ..... .. .... ...... .. ........ ..
2
�
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�
, (b) The human body has defences to protect against infection by bacteria.
Draw one straight line from each body defence to its function.
DO NOT WRITE IN THIS AREA
(2)
body defence function
moves pathogens away from the lungs
hydrochloric acid makes antibodies
destroys pathogens in the stomach
skin
makes antigens
DO NOT WRITE IN THIS AREA
stops pathogens entering the body
(c) Smoking tobacco is a lifestyle factor that can cause disease.
Name two other lifestyle factors that can cause disease.
(2)
1 .... ..... ...... ..... ...... ..... ...... ..... ...... ...... ..... .. ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... . .. ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... .. ...... ........ ...
2 .... ..... ...... ..... ...... ..... ...... ..... ...... ...... ..... .. ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... . .. ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... . ..... ...... ..... ...... .. ...... ........ ...
(Total for Question 1 = 7 marks)
DO NOT WRITE IN THIS AREA
3
�
��
� Turn over
, 2 Figure 2 shows a method used to extract DNA from strawberries.
DO NOT WRITE IN THIS AREA
Stage 1 Stage 2
beaker
crushed strawberries,
salt solution and
washing up liquid
liquid containing
DNA
boiling tube
Stage 3 Stage 4
boiling tube
ice‑cold
ethanol
DO NOT WRITE IN THIS AREA
Figure 2
(a) (i) Complete the sentences using words from the box.
(2)
indicator membranes salt
substrates sugar vacuoles
Crushed strawberries are mixed with washing up liquid and
.............................................................. solution.
Washing up liquid helps to release DNA by breaking open cell
DO NOT WRITE IN THIS AREA
........ ..... ...... ..... ...... ..... ...... ...... ..... ...... .... .
(ii) Describe the method shown in stage 2.
(2)
........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... .. ...... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... .. .... ...... .. ........ ..
........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... .. ...... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... .. .... ...... .. ........ ..
........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... .. ...... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... .. .... ...... .. ........ ..
........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... .. ...... ........ ..... ...... ..... ...... ..... ...... ...... ..... ...... ..... .... ........ ..... ...... ..... ..... . ..... ...... ...... ..... .. .... ...... .. ........ ..
4
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