2024 Pearson Edexcel Level 1/Level 2 GCSE Combined
Science (Biology) 1SC0/2BH PAPER 2. With Marking
Scheme Merged
Pearson Edexcel Level 1/Level 2 GCSE (9–1)
Friday 7 June 2024
reference 1SC0/2BH
Afternoon (Time: 1 hour 10 minutes) Paper
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.
In questions marked with an asterisk (*), marks will be awarded for your
ability to structure 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.
• Check your answers if you have time at the end.
Turn over
P75515A
©2024 Pearson Education Ltd.
*P75515A0116*
F:1/1/1/1
, Answer ALL questions.
Write your answers in the spaces provided.
DO NOT WRITE IN THIS AREA
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 .
1 A centrifuge can be used to separate the different parts of human
blood. Figure 1 shows blood separated into different parts.
part X
white blood cells and platelets
DO NOT WRITE IN THIS AREA
red blood cells
Figure 1
(a) (i) Name part X.
(1)
....................................................................................................................................................................................................................................................................................
(ii) Which substance, needed for cellular respiration, is carried by red blood cells?
(1)
A carbon dioxide
B urea
C amino acids
DO NOT WRITE IN THIS AREA
D oxygen
(iii) Name two types of white blood cell.
(2)
1 ................................................................................................................................................................................................................................................................................
2 ................................................................................................................................................................................................................................................................................
2
*P75515A0216*
, (b) (i) When a person donates blood, 470 cm3 of blood is removed from their
body. Red blood cells make up 44 % by volume of the blood.
DO NOT WRITE IN THIS AREA
Calculate the volume of red blood cells in 470 cm3 of donated
blood. Give your answer to the nearest whole number.
(3)
DO NOT WRITE IN THIS AREA
............................................................................................. cm3
(ii) Before donating blood, a person has a small blood sample taken to
check that the blood is healthy.
State two precautions a doctor should take when collecting this sample.
(2)
1 ................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
2 ................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(Total for Question 1 = 9 marks)
DO NOT WRITE IN THIS AREA
3
*P75515A0316*
, 2 (a) Figure 2 shows a root hair cell from a plant.
DO NOT WRITE IN THIS AREA
X
Figure 2
(i) Name the part labelled X.
(1)
....................................................................................................................................................................................................................................................................................
DO NOT WRITE IN THIS AREA
(ii) State one way that the structure of the root hair cell increases the
volume of substances it absorbs.
(1)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(iii) Explain why root hair cells do not contain chloroplasts.
(3)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
.................................................................................................................................................................................................................................................................................... DO NOT WRITE IN THIS AREA
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
4
*P75515A0416*
Science (Biology) 1SC0/2BH PAPER 2. With Marking
Scheme Merged
Pearson Edexcel Level 1/Level 2 GCSE (9–1)
Friday 7 June 2024
reference 1SC0/2BH
Afternoon (Time: 1 hour 10 minutes) Paper
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.
In questions marked with an asterisk (*), marks will be awarded for your
ability to structure 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.
• Check your answers if you have time at the end.
Turn over
P75515A
©2024 Pearson Education Ltd.
*P75515A0116*
F:1/1/1/1
, Answer ALL questions.
Write your answers in the spaces provided.
DO NOT WRITE IN THIS AREA
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 .
1 A centrifuge can be used to separate the different parts of human
blood. Figure 1 shows blood separated into different parts.
part X
white blood cells and platelets
DO NOT WRITE IN THIS AREA
red blood cells
Figure 1
(a) (i) Name part X.
(1)
....................................................................................................................................................................................................................................................................................
(ii) Which substance, needed for cellular respiration, is carried by red blood cells?
(1)
A carbon dioxide
B urea
C amino acids
DO NOT WRITE IN THIS AREA
D oxygen
(iii) Name two types of white blood cell.
(2)
1 ................................................................................................................................................................................................................................................................................
2 ................................................................................................................................................................................................................................................................................
2
*P75515A0216*
, (b) (i) When a person donates blood, 470 cm3 of blood is removed from their
body. Red blood cells make up 44 % by volume of the blood.
DO NOT WRITE IN THIS AREA
Calculate the volume of red blood cells in 470 cm3 of donated
blood. Give your answer to the nearest whole number.
(3)
DO NOT WRITE IN THIS AREA
............................................................................................. cm3
(ii) Before donating blood, a person has a small blood sample taken to
check that the blood is healthy.
State two precautions a doctor should take when collecting this sample.
(2)
1 ................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
2 ................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(Total for Question 1 = 9 marks)
DO NOT WRITE IN THIS AREA
3
*P75515A0316*
, 2 (a) Figure 2 shows a root hair cell from a plant.
DO NOT WRITE IN THIS AREA
X
Figure 2
(i) Name the part labelled X.
(1)
....................................................................................................................................................................................................................................................................................
DO NOT WRITE IN THIS AREA
(ii) State one way that the structure of the root hair cell increases the
volume of substances it absorbs.
(1)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(iii) Explain why root hair cells do not contain chloroplasts.
(3)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
.................................................................................................................................................................................................................................................................................... DO NOT WRITE IN THIS AREA
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
4
*P75515A0416*
