Exam (elaborations)
GCSE EDEXCEL June 2024 Higher Triple Science Biology Paper 2
Actual Exam Paper for GCSE EDEXCEL 2024 Higher Tier Triple Science Biology Paper 2.
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Content preview
Please check the examination details below before entering your candidate informationCandidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 1/Level 2 GCSE (9–1)
Friday 9 June 2023
Afternoon (Time: 1 hour 45 minutes) Paper
reference 1BI0/2H
Biology
PAPER 2
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 100.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• structure
In 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.
• Check your answers if you have time at the end.
Turn over
P72629A
©2023 Pearson Education Ltd.
N:1/1/1/
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, 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 DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
answer, put a line through the box and then mark your new answer with a cross .
1 Figure 1 shows a stream flowing near a fertiliser factory.
The factory burns coal as a source of energy.
The factory releases waste into the stream and sulfur dioxide into the air.
Samples of water were taken at five points, A, B, C, D and E, as shown on Figure 1.
direction of water as it
flows downstream
fertiliser factory
D
E
C
A B
Figure 1
Figure 2 shows the oxygen concentration in the water at the five points along
the stream.
oxygen concentration
point along stream
(ppm)
A 1.5
B 2.7
C 3.4
D 4.4
E 4.5
Figure 2
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, (a) (i) Calculate how many times greater the oxygen concentration is at point E than
at point A.
(1)
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............................................... times greater
(ii) State how the oxygen concentration changes from point A to point E.
(1)
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(iii) Which indicator species would be most likely to be seen in the water
at point A?
(1)
A freshwater shrimp
B lichen
C sludgeworm
D stonefly
(iv) Explain where the biodiversity will be highest in the stream.
(3)
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