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Pearson Edexcel GCSE In Biology (1BI0) Paper 1H Mark Scheme (Results) Summer 2024
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Pearson Edexcel GCSE In Biology (1BI0) Paper 1H Mark Scheme (Results) Summer 2024
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Pearson Edexcel GCSE In Biology (1BI0) Paper 1H Mark Scheme (Results)Summer 2024
Mark Scheme (Results) Summer
2024
Pearson Edexcel GCSE In
Biology (1BI0) Paper 1H
,Edexcel and BTEC Qualifications
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Summer 2024
Question Paper Log Number P75503A Publications
Code 1BI0_1H_2406_MS
All the material in this publication is copyright
© Pearson Education Ltd 2024
,General Marking Guidance
All candidates must receive the same treatment. Examiners must
mark the first candidate in exactly the same way as they mark the
last.
Mark schemes should be applied positively. Candidates must be
rewarded for what they have shown they can do rather than
penalised for omissions.
Examiners should mark according to the mark scheme not
according to their perception of where the grade boundaries may lie.
There is no ceiling on achievement. All marks on the mark
scheme should be used appropriately.
All the marks on the mark scheme are designed to be awarded.
Examiners should always award full marks if deserved, i.e. if
the answer matches the mark scheme. Examiners should also
be prepared to award zero marks if the candidate’s response is not
worthy of credit according to the mark scheme.
Where some judgement is required, mark schemes will
provide the principles by which marks will be awarded and
exemplification may be limited.
When examiners are in doubt regarding the application of
the mark scheme to a candidate’s response, the team leader
must be consulted.
Crossed out work should be marked UNLESS the candidate has
replaced it with an alternative response.
, Question Answer Mark
number
1(a)(i) (1)
C natural selection
AO1 1
The only correct answer is C
A is not correct because genetic engineering is not involved in the theory
of evolution
B is not correct because biological control is not involved in the theory
of evolution
D is not correct because tissue culture is not involved in the theory of
evolution
Question Answer Additional guidance Mark
number
1 (a)(ii) Two from: (2)
genetics / mutation / accept genes / genetic AO1 1
alleles (1) modification ignore
DNA
sexual reproduction / accept idea of different
meiosis (1) parents / breeding
ignore inbreeding /
selective breeding
accept changes to the
environment / named environment
environmental factors
e.g. diet, lifestyle, climate,
temperature (1) ignore adaptations to
environment / selection
pressures
/ / natural selection /
disease
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