Edexcel A Level 2023 Biology B Paper
3
Mark Scheme
,Mark Scheme
(Results) Summer
2023
Pearson Edexcel GCE
In Biology (9BIO)
Paper 3: General and Practical Principles in
Biology
,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 2023
Question Paper Log Number P71911A
Publications Code 9BIO_03_2023_MS
All the material in this publication is copyright
© Pearson Education Ltd 2023
, 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.
3
Mark Scheme
,Mark Scheme
(Results) Summer
2023
Pearson Edexcel GCE
In Biology (9BIO)
Paper 3: General and Practical Principles in
Biology
,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 2023
Question Paper Log Number P71911A
Publications Code 9BIO_03_2023_MS
All the material in this publication is copyright
© Pearson Education Ltd 2023
, 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.