MYP Science Command Terms Quiz with answers and explanations – a ready-to-use student assessment and practice worksheet for developing understanding of MYP Science command terms. This resource helps students understand what common MYP Science command terms are asking them to DO and practise selecting the correct command term for different science questions. The resource contains 20 multiple-choice questions divided into three sections, followed by a teacher answer key with explanations. The quiz covers command terms including: • STATE • DEFINE • IDENTIFY • LIST • DESCRIBE • EXPLAIN • EVALUATE • DISCUSS • JUSTIFY • SUGGEST • CALCULATE • DETERMINE • OUTLINE • ESTIMATE • LABEL • RECALL • SUMMARIZE The resource includes: • 20 multiple-choice questions • Command term definition questions • Applying command terms in Science contexts • Error analysis questions • Critical-thinking questions • Student assessment worksheet • Name, class and date fields • Teacher answer key • Explanations for every answer • Examples showing what makes an answer appropriate or inappropriate for a particular command term Section 1 focuses on understanding the definitions and meanings of command terms. Section 2 asks students to identify the appropriate command term for different Science tasks, such as calculating speed, determining pH, outlining the water cycle, estimating measurements and labelling diagrams. Section 3 develops error analysis and critical thinking by asking students to identify why sample answers are unsuitable for command terms such as EXPLAIN, EVALUATE, DISCUSS and SUMMARIZE. The teacher answer key provides the correct answer for all 20 questions together with explanations, making the resource suitable for both classroom feedback and independent student revision. This resource is ideal for: • MYP Science • International school Science lessons • MYP Science assessment preparation • Command term practice • Science exam technique • Student revision • Retrieval practice • Classroom quizzes • Homework • Starter or plenary activities • Checking student understanding • Developing scientific communication skills A complementary PDF Command Terms Challenge is also available on Tes. This companion resource is designed for teachers to use in class to introduce and teach MYP Science command terms before students complete this quiz. It provides explanations, examples and classroom activities to help students build confidence with command terms. File format: DOCX The editable Word format allows teachers to adapt the quiz, add their own questions or modify the resource for different classes.

Pearson Edexcel International Advanced Level Biology Maths Support questions and answers covering key mathematical skills required for IAS and IAL Biology. This resource is designed to help Biology students develop and practise the mathematical skills required for Pearson Edexcel International Advanced Subsidiary and International Advanced Level Biology. It contains mathematical guidance, worked examples and practice questions covering a wide range of Biology calculations and statistical techniques. Answers have been added to the questions throughout the resource, making it useful for independent revision, homework, classroom practice and exam preparation. Topics and mathematical skills include: • Size and magnification • Unit conversions • Percentage change • Mean • Median • Mode • Temperature coefficient (Q10) • Gross primary productivity (GPP) • Net primary productivity (NPP) • Respiration ® • NPP : GPP ratios • Animal population estimation using the Lincoln Index • Mark-recapture calculations • Habitat biodiversity and index of diversity • Hardy–Weinberg principle • Allele frequencies • Genotype frequencies • Standard deviation • Chi-squared test • Student’s t-test • Correlation coefficient • Spearman’s rank correlation • Degrees of freedom • Critical values and statistical significance • Data interpretation • Scatter diagrams and relationships • Further Biology maths questions The resource includes: • Step-by-step guidance for mathematical skills • Worked examples • Practice questions • Answers to the practice questions • Biology-based calculation questions • Data tables and graphs • Statistical calculations and interpretation • Questions requiring students to show their working • A range of questions suitable for independent practice The practice questions cover calculations such as magnification, percentage change, measures of centre, Q10, productivity, population estimation, biodiversity, Hardy–Weinberg, standard deviation and statistical tests. The statistics section includes Chi-squared, Student’s t-test and correlation coefficient questions, including interpreting calculated values against critical values. This resource is ideal for: • Pearson Edexcel International A Level Biology • International Advanced Subsidiary Biology (IAS) • International Advanced Level Biology (IAL) • Biology maths skills practice • Exam preparation • Independent revision • Homework • Classroom practice • Data analysis practice • Statistics revision • Developing confidence with Biology calculations File format: PDF Specification: Pearson Edexcel International Advanced Subsidiary in Biology (XBI11) and Pearson Edexcel International Advanced Level in Biology (YBI11).

MYP Science Command Terms Challenge – an engaging classroom resource helping students understand and correctly respond to common MYP Science command terms. This resource is designed to help MYP Science students understand what different command terms are asking them to DO and how to structure their answers accordingly. Students are introduced to command terms using official MYP-style definitions alongside student-friendly explanations, simple science examples, challenges and classroom activities. Command terms covered include: • Analyse • Annotate • Apply • Calculate • Classify • Comment • Construct • Define • Demonstrate • Describe • Design • Determine • Discuss • Document • Draw • Estimate • Evaluate • Explain • Find • Formulate • Identify • Interpret • Justify • Label • List • Measure • Organize • Outline • Plot • Present • Recall • Select • Show • Sketch • Solve • State • Suggest • Summarize • Verify • Write down The resource includes: • Student-friendly explanations of command terms • Official MYP command-term definitions • Easy Science examples for students to practise with • Command Term Match activities • “Teacher Is Wrong” activities where students identify and correct poor answers • A Science Investigation Challenge based on plant growth and controlled variables • Questions using different command terms with model answers • A Command Term Speed Round • An Exit Ticket for checking student understanding • Teacher answers and model responses The investigation challenge gives students opportunities to practise command terms such as STATE, LIST, DESCRIBE, EXPLAIN, SUGGEST, EVALUATE, DISCUSS, DETERMINE, OUTLINE, ESTIMATE, LABEL, RECALL and SUMMARIZE in the context of a scientific investigation. The resource is ideal for: • MYP Science lessons • International schools • Science skills lessons • Introducing command terms at the start of a course • Exam preparation • Retrieval practice • Group and team activities • Classroom discussion • Helping students understand the difference between command terms • Developing scientific communication and exam technique Students learn not only the meaning of each command term, but also how the command term changes the type of answer they need to give. File format: PDF Subject: MYP Science

Pearson Edexcel International Advanced Level Biology Unit 2 May 2026 past paper with answers, mark scheme guidance and additional explanations — ideal for revision, exam practice, homework and classroom use. This resource contains a complete set of questions and answers for the Pearson Edexcel International Advanced Level Biology, Unit 2: Cells, Development, Biodiversity and Conservation, May 2026. The paper includes a range of exam-style questions designed to support students preparing for their Biology examinations. The resource includes: • Full May 2026 past-paper questions • Answers for every question • Answers based on the mark scheme • Additional explanations where students may benefit from further clarification • Calculation questions with worked answers • Questions involving diagrams, data, graphs and experimental investigations • Extended-response and “explain” questions • Questions on cells and cell structure • Development and biological processes • Biodiversity and conservation • Data interpretation and analysis • Experimental design and evaluation • Examination-style structured questions The questions provide useful practice in applying biological knowledge, interpreting information, completing calculations, analysing data and writing answers in the style expected in an examination. How this resource can be used: • International Advanced Level Biology revision • Independent student revision • Homework and independent study • Classroom exam practice • End-of-topic assessment • Mock examination preparation • Retrieval practice • Teacher-led question-and-answer activities • Identifying areas where students need further revision • Practising extended-response exam questions The additional explanations make the resource particularly useful for students who want to understand why an answer is correct, rather than simply checking whether their answer matches the mark scheme. File format: PDF Specification: Pearson Edexcel International Advanced Level Biology – Unit 2: Cells, Development, Biodiversity and Conservation, May 2026. Paper details: Friday 15 May 2026, Afternoon, 1 hour 30 minutes, Paper reference WBI12/01, Unit 2: Cells, Development, Biodiversity and Conservation.

Pearson Edexcel International Advanced Level Biology Unit 1 May 2026 past paper with answers, mark scheme guidance and additional explanations — ideal for revision, exam practice, homework and classroom use. This resource contains a complete set of questions and answers for the Pearson Edexcel International Advanced Level Biology, Unit 1: Molecules, Diet, Transport and Health, May 2026. The paper includes a range of exam-style questions designed to support students preparing for their Biology examinations. The resource includes: • Full May 2026 past-paper questions • Answers for every question • Answers based on the mark scheme • Additional explanations where students may benefit from further clarification • Calculation questions with worked answers • Questions involving diagrams, data, graphs and experimental investigations • Extended-response and “explain” questions • Questions on biological molecules • Diet and nutrition • Transport systems • Health and disease • Data interpretation and analysis • Experimental design and evaluation • Examination-style structured questions The questions provide useful practice in applying biological knowledge, interpreting information, completing calculations, analysing data and writing answers in the style expected in an examination. How this resource can be used: • International Advanced Level Biology revision • Independent student revision • Homework and independent study • Classroom exam practice • End-of-topic assessment • Mock examination preparation • Retrieval practice • Teacher-led question-and-answer activities • Identifying areas where students need further revision • Practising extended-response exam questions The additional explanations make the resource particularly useful for students who want to understand why an answer is correct, rather than simply checking whether their answer matches the mark scheme. File format: PDF Specification: Pearson Edexcel International Advanced Level Biology – Unit 1: Molecules, Diet, Transport and Health, May 2026. Paper details: Tuesday 5 May 2026, Afternoon, 1 hour 30 minutes, Paper reference WBI11/01, Unit 1: Molecules, Diet, Transport and Health.

Pearson Edexcel International Advanced Level Biology Unit 5 June 2026 past paper with answers, mark scheme guidance and additional explanations — ideal for revision, exam practice, homework and classroom use. This resource contains a complete set of questions and answers for the Pearson Edexcel International Advanced Level Biology, Unit 5: Respiration, Internal Environment, Coordination and Gene Technology, June 2026. The paper includes a range of exam-style questions designed to support students preparing for their Biology examinations. The resource includes: • Full June 2026 past-paper questions • Answers for every question • Answers based on the mark scheme • Additional explanations where students may benefit from further clarification • Calculation questions with worked answers • Questions involving diagrams, data, graphs and experimental investigations • Extended-response and “explain” questions • Questions on respiration • Internal environment and homeostasis • Coordination and response • Gene technology • Data interpretation and analysis • Experimental design and evaluation • Examination-style structured questions The questions provide useful practice in applying biological knowledge, interpreting information, completing calculations, analysing data and writing answers in the style expected in an examination. How this resource can be used: • International Advanced Level Biology revision • Independent student revision • Homework and independent study • Classroom exam practice • End-of-topic assessment • Mock examination preparation • Retrieval practice • Teacher-led question-and-answer activities • Identifying areas where students need further revision • Practising extended-response exam questions The additional explanations make the resource particularly useful for students who want to understand why an answer is correct, rather than simply checking whether their answer matches the mark scheme. File format: PDF Specification: Pearson Edexcel International Advanced Level Biology – Unit 5: Respiration, Internal Environment, Coordination and Gene Technology, June 2026. Paper details: Thursday 4 June 2026, Morning, 1 hour 45 minutes, Paper reference WBI15/01, Unit 5: Respiration, Internal Environment, Coordination and Gene Technology.

Pearson Edexcel International Advanced Level Biology Unit 4 May 2026 past paper with answers, mark scheme guidance and additional explanations — ideal for revision, exam practice, homework and classroom use. This resource contains a complete set of questions and answers for the Pearson Edexcel International Advanced Level Biology, Unit 4: Energy, Environment, Microbiology and Immunity, May 2026. The paper includes a range of exam-style questions designed to support students preparing for their Biology examinations. The resource includes: • Full May 2026 past-paper questions • Answers for every question • Answers based on the mark scheme • Additional explanations where students may benefit from further clarification • Calculation questions with worked answers • Questions involving diagrams, data, graphs and experimental investigations • Extended-response and ��explain” questions • Questions on energy and respiration • Environmental biology • Microbiology • Immunity and immune responses • Data interpretation and analysis • Experimental design and evaluation • Examination-style structured questions The questions provide useful practice in applying biological knowledge, interpreting information, completing calculations, analysing data and writing answers in the style expected in an examination. How this resource can be used: • International Advanced Level Biology revision • Independent student revision • Homework and independent study • Classroom exam practice • End-of-topic assessment • Mock examination preparation • Retrieval practice • Teacher-led question-and-answer activities • Identifying areas where students need further revision • Practising extended-response exam questions The additional explanations make the resource particularly useful for students who want to understand why an answer is correct, rather than simply checking whether their answer matches the mark scheme. File format: PDF Specification: Pearson Edexcel International Advanced Level Biology – Unit 4: Energy, Environment, Microbiology and Immunity, May 2026. Paper details: Thursday 28 May 2026, Afternoon, 1 hour 45 minutes, Paper reference WBI14/01, Unit 4: Energy, Environment, Microbiology and Immunity.

Pearson Edexcel International Advanced Level Biology Unit 3 May 2026 past paper with answers, mark scheme guidance and additional explanations — ideal for revision, exam practice, homework and classroom use. This resource contains a complete set of questions and answers for the Pearson Edexcel International Advanced Level Biology, Unit 3: Practical Skills in Biology I, May 2026. The paper includes a range of practical and exam-style questions designed to support students preparing for their Biology examinations. The resource includes: • Full May 2026 past-paper questions • Answers for every question • Answers based on the mark scheme • Additional explanations where students may benefit from further clarification • Practical investigation questions • Experimental design and evaluation • Questions involving data, graphs and tables • Analysis and interpretation of experimental results • Questions on variables and controls • Evaluation of methods and procedures • Calculation questions with worked answers • Examination-style structured questions The questions provide useful practice in planning investigations, analysing experimental data, evaluating methods and writing answers in the style expected in an examination. How this resource can be used: • International Advanced Level Biology revision • Independent student revision • Homework and independent study • Classroom exam practice • Practical skills preparation • Mock examination preparation • Retrieval practice • Teacher-led question-and-answer activities • Identifying areas where students need further revision • Developing practical and analytical skills The additional explanations make the resource particularly useful for students who want to understand why an answer is correct, rather than simply checking whether their answer matches the mark scheme. File format: PDF Specification: Pearson Edexcel International Advanced Level Biology – Unit 3: Practical Skills in Biology I, May 2026. Paper details: Wednesday 20 May 2026, Afternoon, 1 hour 20 minutes, Paper reference WBI13/01, Unit 3: Practical Skills in Biology I.

Pearson Edexcel International Advanced Level Biology Unit 6 June 2026 past paper with answers, mark scheme guidance and additional explanations — ideal for revision, exam practice, homework and classroom use. This resource contains a complete set of questions and answers for the Pearson Edexcel International Advanced Level Biology, Unit 6: Practical Skills in Biology II, June 2026. The paper includes a range of practical and exam-style questions designed to support students preparing for their Biology examinations. The resource includes: • Full June 2026 past-paper questions • Answers for every question • Answers based on the mark scheme • Additional explanations where students may benefit from further clarification • Practical investigation questions • Experimental design and evaluation • Questions involving data, graphs and tables • Analysis and interpretation of experimental results • Questions on variables and controls • Evaluation of methods and procedures • Calculation questions with worked answers • Examination-style structured questions The questions provide useful practice in planning investigations, analysing experimental data, evaluating methods and writing answers in the style expected in an examination. How this resource can be used: • International Advanced Level Biology revision • Independent student revision • Homework and independent study • Classroom exam practice • Practical skills preparation • Mock examination preparation • Retrieval practice • Teacher-led question-and-answer activities • Identifying areas where students need further revision • Developing practical and analytical skills The additional explanations make the resource particularly useful for students who want to understand why an answer is correct, rather than simply checking whether their answer matches the mark scheme. File format: PDF Specification: Pearson Edexcel International Advanced Level Biology – Unit 6: Practical Skills in Biology II, June 2026. Paper details: Friday 12 June 2026, Morning, 1 hour 20 minutes, Paper reference WBI16/01, Unit 6: Practical Skills in Biology II.

MYP Sciences Command Terms resource featuring a complete list of command terms and their definitions — ideal for revision, classroom reference, assessment preparation and helping students understand exactly what questions are asking them to do. This resource contains a comprehensive collection of MYP command terms for Sciences, with each term paired with its definition. It provides students with a clear reference for understanding the meaning of common command terms used in MYP Science assessments and examinations. The resource includes command terms such as: • Analyse • Annotate • Apply • Calculate • Classify • Comment • Construct • Define • Demonstrate • Describe • Design • Determine • Discuss • Document • Draw • Estimate • Evaluate • Explain • Find • Formulate • Identify • Interpret • Justify • Label • List • Measure • Organize • Outline • Plot • Present • Recall • Select • Show • Sketch • Solve • State • Suggest • Summarize • Verify • Write down Each command term includes: • The command term • A clear definition • Guidance on what students are expected to do • Support for understanding assessment questions • A quick-reference explanation of the required response Understanding command terms is an essential skill for MYP Sciences students. Students may understand the scientific content but lose marks if they misinterpret what a question requires. This resource helps students distinguish between different types of instructions, including analyse, describe, explain, evaluate, justify and discuss. How this resource can be used: • MYP Sciences revision • Classroom reference material • Student revision resource • Independent study • Homework and assessment preparation • Examination preparation • Quick-reference resource • Classroom display • Visual learning aid • Teacher-led activities • Supporting students with interpreting questions • Developing confidence in answering assessment questions The colourful and visually appealing design, combined with clear definitions, makes this resource particularly useful as an engaging and easy-to-use quick-reference tool for students who need to understand the specific language used in MYP Sciences questions and assessments. File format: PDF Suitable for: MYP Sciences students and teachers.

MYP Science Command Terms Poster featuring clear definitions and examples — ideal for helping students understand exactly what examination and assessment questions are asking them to do. This resource contains a comprehensive collection of MYP command terms presented in a clear poster format. Each command term is explained using a simple definition and supported with an example to help students understand how to respond accurately to different types of questions. The resource includes command terms such as: • Analyse • Apply • Annotate • Calculate • Classify • Comment • Construct • Define • Demonstrate • Describe • Determine • Document • Discuss • Draw • Estimate • Evaluate • Explain • Find • Formulate • Identify • Interpret • Justify • Label • Plot • Present • Recall • Select • Sketch • Show • Solve • State • Summarize • Suggest • Verify • Write down Each command term includes: • A clear and student-friendly definition • An explanation of what the command term requires • A practical example • Science-based examples to support understanding • Guidance on the type of response expected • Support for interpreting examination and assessment questions Understanding command terms is an essential skill for MYP students. Students may know the scientific content but still lose marks if they misunderstand what a question is asking them to do. This poster helps students recognise the differences between command terms such as describe, explain, analyse, evaluate and discuss. How this resource can be used: • MYP Science revision • Classroom wall display • Classroom reference material • Independent student study • Homework and independent learning • Examination preparation • Assessment preparation • Developing scientific literacy • Improving understanding of examination questions • Teacher-led classroom activities • Supporting students with extended-response questions • Helping students understand assessment expectations The clear definitions and examples make this poster particularly useful as a quick-reference resource for students who want to improve their ability to interpret questions accurately and structure their answers according to the command term used. File format: PDF Suitable for: MYP Science students and teachers.

Edexcel International GCSE Biology Paper 2B June 2026 past paper with answers, mark scheme guidance and additional explanations — ideal for revision, exam practice, homework and classroom use. This resource contains a complete set of questions and answers for the Pearson Edexcel International GCSE (9–1) Biology, Paper 2B, June 2026. The paper is worth 70 marks and includes a range of exam-style questions designed to support students preparing for their Biology examinations. The resource includes: • Full June 2026 past-paper questions • Answers for every question • Answers based on the mark scheme • Additional explanations where students may benefit from further clarification • Calculation questions with worked answers • Questions involving diagrams, data, graphs and experimental investigations • Extended-response and “explain” questions • Questions requiring application of biological knowledge • Data interpretation and analysis • Experimental design and evaluation • Questions requiring students to apply biological principles to unfamiliar situations • Examination-style structured questions The questions provide useful practice in applying biological knowledge, interpreting information, completing calculations, analysing data and writing answers in the style expected in an examination. How this resource can be used: • GCSE / International GCSE Biology revision • Independent student revision • Homework and independent study • Classroom exam practice • End-of-topic assessment • Mock examination preparation • Retrieval practice • Teacher-led question-and-answer activities • Identifying areas where students need further revision • Practising extended-response exam questions The additional explanations make the resource particularly useful for students who want to understand why an answer is correct, rather than simply checking whether their answer matches the mark scheme. File format: PDF Specification: Pearson Edexcel International GCSE (9–1) Biology – Paper 2B, June 2026. Paper details: Monday 8 June 2026, Morning, 1 hour 15 minutes, Paper reference 4BI1/2B, Unit 4BI1, Paper 2B.

Edexcel International GCSE Biology Paper 1B June 2026 past paper with answers, mark scheme guidance and additional explanations — ideal for revision, exam practice, homework and classroom use. This resource contains a complete set of questions and answers for the Pearson Edexcel International GCSE (9–1) Science (Double Award), Biology Paper 1B, June 2026. The paper includes a wide range of exam-style questions designed to help students prepare effectively for their Biology examinations. The resource includes: • Full June 2026 past-paper questions • Answers for every question • Answers based on the mark scheme • Additional explanations for questions requiring further clarification • Calculation questions with worked answers • Questions involving diagrams, data, graphs and experimental investigations • Extended-response and “explain” questions • Genetics and genetic diagrams • Ecology and population investigations • Human gas exchange and respiration • The circulatory system and blood vessels • Anaerobic respiration in yeast • Flower structure and insect pollination • Experimental design and evaluation The questions provide valuable practice in applying biological knowledge, interpreting information, analysing data, completing calculations and constructing answers in the style expected in an examination. How this resource can be used: • GCSE / International GCSE Biology revision • Independent student revision • Homework and independent study • Classroom exam practice • Mock examination preparation • End-of-topic assessment • Retrieval practice • Teacher-led question-and-answer activities • Practising extended-response questions • Identifying topics that require further revision The additional explanations make this resource particularly useful for students who want to understand why an answer is correct, rather than simply checking their answer against the mark scheme. File format: PDF Specification: Pearson Edexcel International GCSE (9–1) Science (Double Award) – Biology, Paper 1B, June 2026.

Edexcel International GCSE Biology Paper 1B June 2026 past paper with answers, mark scheme guidance and additional explanations — ideal for revision, exam practice and classroom use. This resource contains a complete set of questions and answers for the Pearson Edexcel International GCSE (9–1) Science (Double Award) Biology, Paper 1B, June 2026. The paper is worth 60 marks and includes a range of exam-style questions designed to support students preparing for their Biology examinations. The resource includes: • Full June 2026 past-paper questions • Answers for every question • Answers based on the mark scheme • Additional explanations where students may benefit from further clarification • Calculation questions with worked answers • Questions involving diagrams, data, graphs and experimental investigations • Extended-response and “explain” questions • Genetics and genetic diagrams • Ecology and population investigations • Human gas exchange and respiration • The circulatory system and blood vessels • Anaerobic respiration in yeast • Flower structure and insect pollination • Experimental design and evaluation The questions provide useful practice in applying biological knowledge, interpreting information, completing calculations, analysing data and writing answers in the style expected in an examination. How this resource can be used This resource can be used for: • GCSE / International GCSE Biology revision • Independent student revision • Homework and independent study • Classroom exam practice • End-of-topic assessment • Mock examination preparation • Retrieval practice • Teacher-led question-and-answer activities • Identifying areas where students need further revision • Practising extended-response exam questions The additional explanations make the resource particularly useful for students who want to understand why an answer is correct, rather than simply checking whether their answer matches the mark scheme. File format: PDF Specification: Pearson Edexcel International GCSE (9–1) Science (Double Award) – Biology, Paper 1B, June 2026.

Edexcel International GCSE Biology Paper 1B June 2026 past paper with answers, mark scheme guidance and additional explanations — ideal for revision, exam practice and classroom use. This resource contains a complete set of questions and answers for the Pearson Edexcel International GCSE (9–1) Science (Single Award) Biology, Paper 1B, June 2026. The paper is worth 60 marks and includes a range of exam-style questions designed to support students preparing for their Biology examinations. The resource includes: • Full June 2026 past-paper questions • Answers for every question • Answers based on the mark scheme • Additional explanations where students may benefit from further clarification • Calculation questions with worked answers • Questions involving diagrams, data, graphs and experimental investigations • Extended-response and “explain” questions • Genetics and genetic diagrams • Ecology and population investigations • Human gas exchange and respiration • The circulatory system and blood vessels • Anaerobic respiration in yeast • Flower structure and insect pollination • Experimental design and evaluation The questions provide useful practice in applying biological knowledge, interpreting information, completing calculations, analysing data and writing answers in the style expected in an examination. How this resource can be used This resource can be used for: • GCSE / International GCSE Biology revision • Independent student revision • Homework and independent study • Classroom exam practice • End-of-topic assessment • Mock examination preparation • Retrieval practice • Teacher-led question-and-answer activities • Identifying areas where students need further revision • Practising extended-response exam questions The additional explanations make the resource particularly useful for students who want to understand why an answer is correct, rather than simply checking whether their answer matches the mark scheme. File format: PDF Specification: Pearson Edexcel International GCSE (9–1) Science (Single Award) – Biology, Paper 1B, June 2026.