Exam (elaborations)
ACTUAL EDEXCEL GCSE 2024 BIOLOGY HIGHER TIER PAPER 1 QUESTION PAPER
ACTUAL EDEXCEL GCSE 2024 BIOLOGY HIGHER TIER PAPER 1 QUESTION PAPER
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Please check the examination detai ls below before entering your candidate information-
C.ndidates,mam, 0.hername,
( 1
)
1 1 1 1 1 1[ 1 1 1 1
Centre Number Candidate Number
Pearson Edexcel Levei 1 /Levei 2 GCSE (9-1}
(Friday 10 May :2024
Paper
refr
e n
e ce 1810/1 H
Morning (Time: 1 hour 45 mirnutes)
Biology CI •
PAPER 1
Higher Tier
stha e
o
,_
_ _ u_m_u_ _ _ _ _v_=
_v Total Marks
]
Ruler, calculator
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lnstructions
• Use black ink or ball-point pein.
• Fill in th e b xe s at the top of this page with your name,
o and candidatei number.
• Answer all questions.
centre number
• Answer the questions in the s.paces provided
- there may be more space than you need.
lnformation
• The marks for e ach question are shown in brackets
• The total mark for this paper iis 100.
• ln the questions marked with an as teris k (*), marks will be awarded for your
- use this as a guide as to how much time to spend on each question.
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.
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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
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answer, put a line through the box and then mark your new answer with a cross .
1 (a) (i) Which process is involved in the theory of evolution?
(1)
A genetic engineering
B biological control
C natural selection
D tissue culture
(ii) Figure 1 shows some stages of the theory of evolution.
overproduction → variation → survival of the fittest
Figure 1
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
State two causes of variation in organisms.
(2)
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(iii) Disease is an example of a selection pressure.
Give one other example of a selection pressure that leads to survival of
the fittest.
(1)
. . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .
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(b) Figure 2 shows the location of the Wallace line, an imaginary line Alfred Wallace
suggested, based on his research.
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a: Wallace found that animais to the west of the line were different from animais to
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the east of the line.
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Australia
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sha ped-movements-Earth. html)
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Figure 2
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a: different from animais to the east of the Wallace line.
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< (ii) Give one reason why the work of Alfred Wallace encouraged Charles Darwin
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a: to publish his theory of evoluti01n.
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■□□■ 7 5 5 0 3 A 0 3 2
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