Pearson Edexcel Level 3 Advanced GCE In Biology B (9BI0) Paper 01: Advanced
Biochemistry, Microbiology and Genetics Mark Scheme (Results) Summer 2025
Mark Scheme (Results)
Summer 2025
Pearson Edexcel Level 3 Advanced
GCE In Biology B (9BI0)
Paper 01: Advanced Biochemistry,
Microbiology and Genetics
,Edexcel and BTEC Qualifications
Edexcel and BTEC qualifications are awarded by Pearson, the UK’s largest awarding
body. We provide a wide range of qualifications including academic, vocational,
occupational and specific programmes for employers. For further information visit our
qualifications websites at www.edexcel.com or www.btec.co.uk. Alternatively, you can
get in touch with us using the details on our contact us page at
www.edexcel.com/contactus.
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. We believe in every kind of
learning, for all kinds of people, wherever they are in the world. We’ve been involved
in education for over 150 years, and by working across 70 countries, in 100 languages,
we have built an international reputation for our commitment to high standards and
raising achievement through innovation in education. Find out more about how we can
help you and your students at: www.pearson.com/uk
Summer 2025
Question Paper Log Number P74459A
Publications Code 9BI0_01_2506_MS
All the material in this publication is copyright
© Pearson Education Ltd 2025
, 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
Biochemistry, Microbiology and Genetics Mark Scheme (Results) Summer 2025
Mark Scheme (Results)
Summer 2025
Pearson Edexcel Level 3 Advanced
GCE In Biology B (9BI0)
Paper 01: Advanced Biochemistry,
Microbiology and Genetics
,Edexcel and BTEC Qualifications
Edexcel and BTEC qualifications are awarded by Pearson, the UK’s largest awarding
body. We provide a wide range of qualifications including academic, vocational,
occupational and specific programmes for employers. For further information visit our
qualifications websites at www.edexcel.com or www.btec.co.uk. Alternatively, you can
get in touch with us using the details on our contact us page at
www.edexcel.com/contactus.
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. We believe in every kind of
learning, for all kinds of people, wherever they are in the world. We’ve been involved
in education for over 150 years, and by working across 70 countries, in 100 languages,
we have built an international reputation for our commitment to high standards and
raising achievement through innovation in education. Find out more about how we can
help you and your students at: www.pearson.com/uk
Summer 2025
Question Paper Log Number P74459A
Publications Code 9BI0_01_2506_MS
All the material in this publication is copyright
© Pearson Education Ltd 2025
, 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
