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Pearson Edexcel Advanced Level GCE In Biology B (9BI0) Paper 03: General and Practical Principles in Biology Mark Scheme (Results) Summer 2024 $13.49
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Pearson Edexcel Advanced Level GCE In Biology B (9BI0) Paper 03: General and
Practical Principles in Biology Mark Scheme (Results) Summer 2024
Mark Scheme (Results) Summer
2024
Pearson Edexcel Advanced Level GCE In
Biology B (9BI0)
Paper 03: General and Practical Principles
in Biology
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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 Mark
Answer V3 Additional Guidance
Number
1(a) An answer that includes the following
meristem (1) (1)
Question
Answer Additional Guidance Mark
Number
1(b)(i) An answer that includes the following:
to {break down middle lamella / break down Accept calcium pectate
pectins / separate layers of cells} (1) separate cells
(1)
Question
Answer Additional Guidance Mark
Number
1(b)(ii) An answer that includes the following:
to make the {chromosomes / DNA} visible (1)
Accept to dye / colour the chromosomes / DNA
(1)
Question
Answer Additional Guidance Mark
Number
1(b)(iii) An answer that includes the following:
to form a single layer of cells (1) Accept to separate layers of cells / form a thin layer of
cells
(1)
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