Mark Scheme (Results)
Summer 2025
Pearson Edexcel International GCSE
In Biology (4BI1) Paper 2BR
, 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 P78765RA
Publications Code 4BI1_2BR_2506_MS
All the material in this publication is copyright
© Pearson Education Ltd 2025
Summer 2025
Pearson Edexcel International GCSE
In Biology (4BI1) Paper 2BR
, 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 P78765RA
Publications Code 4BI1_2BR_2506_MS
All the material in this publication is copyright
© Pearson Education Ltd 2025
