Exam (elaborations)

Pearson Edexcel GCE In Biology B (9BI0) Paper 01 Advanced Biochemistry, Microbiology, and Genetics summer 2023

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Course
GCE In Biology

Institution
PEARSON (PEARSON)

Pearson Edexcel GCE In Biology B (9BI0) Paper 01: Advanced Biochemistry, Microbiology, and Genetics summer 2023

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Uploaded on September 14, 2023
Number of pages 31
Written in 2023/2024
Type Exam (elaborations)
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pearson edexcel gce in biology
paper 01 advanced biochemistry microbiology
mark scheme results summer 2023

Study Level
A/AS Level
Examinator
PEARSON (PEARSON)
Subject
GCE In Biology
Unit
GCE In Biology

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b

Pearson
Edexcel

Mark Scheme (Results)

Summer 2023

Pearson Edexcel GCE
In Biology B (9BI0)
Paper 01: Advanced Biochemistry,
Microbiology, and Genetics

pg. 1

,b

Edexcel and BTEC Qualifications

Edexcel and BTEC qualifications are awarded by Pearson, the UK’s largest awarding body.

Pearson: helping people progress, everywhere

Pearson aspires to be the world’s leading learning company. Our aim is to help everyone
progress in their lives through education

pg. 2

,b

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.

pg. 3

, b
Answer Additional Guidance Mark
Question
Number
1(a)(i)
 (calcium) pectate (1) IGNORE middle lamella
DO NOT ACCEPT any other molecule (1)

Question Answer Mark
Number
1(a)(ii)
The only correct answer is C

A is incorrect because statements 1 and 2 are correct and statement 3 is incorrect

B is incorrect because statements 1 and 2 are correct and statement 3 is incorrect

D is incorrect because statements 1 and 2 are correct and statement 3 is incorrect (1)

pg. 4

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Exam (elaborations) ·

Exam (elaborations)

Pearson Edexcel GCE In Biology B (9BI0) Paper 01 Advanced Biochemistry, Microbiology, and Genetics summer 2023

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