Skip to course topics
    ← Biology

    OCR as-level Biology

    Explore your course, one topic at a time.

    Course overview

    The OCR as-level Biology specification covers 2 topics with 6 learning objectives (601/4721/0). Use the topic browser below to explore subtopics, exam tips, common mistakes, and key terminology for each area of the course.

    • 2 topics
    • 6 learning objectives
    Ofqual Regulated: 601/4721/0

    Official Regulatory Specification

    Regulated by the Office of Qualifications and Examinations Regulation (Ofqual) in England

    View on Ofqual Register (opens the official government register in a new tab)
    Qualification Number (QN)
    601/4721/0
    Awarding Organisation
    OCR
    Regulatory Type
    GCE AS Level
    National Level & Units
    as-level • 2 units
    Sector Subject Area: Science
    This qualification is officially accredited under the national framework. Credits and certified outcomes are recognised by employers, further education colleges, and training providers throughout the UK.
    2
    topics

    Explore your topics

    2 topics

    Course topics2 topics
    About this course

    About OCR as-level Biology

    This OCR AS-Level Biology course offers a comprehensive introduction to the fundamental principles of biology, from the molecular building blocks of life to the complex interactions within ecosystems. You will explore key concepts such as cell structure, biological molecules, enzymes, and the processes of respiration and photosynthesis, developing both theoretical knowledge and practical skills.

    The specification is structured to build your understanding progressively, with modules covering 'Foundations in Biology', 'Exchange and Transport', and 'Biodiversity, Evolution and Disease'. This course is designed to prepare you for further study in biology or related fields, emphasising the application of knowledge to real-world contexts and the development of essential scientific skills.

    Assessment Structure

    The OCR AS-Level Biology qualification is assessed through two written examination papers, each lasting 1 hour 30 minutes and contributing 50% of the total AS grade. Paper 1 covers 'Foundations in Biology' and 'Exchange and Transport', while Paper 2 examines 'Biodiversity, Evolution and Disease' and all practical skills content. Each paper is worth 70 marks and includes a mixture of multiple-choice, short answer, and extended response questions. Practical skills are assessed through questions in both papers, and there is no separate coursework component at AS-Level.

    Why Choose OCR?

    • OCR offers a clear and logical specification that is well-structured, making it easier for students to understand the connections between different topics and to revise effectively.
    • The practical skills are embedded within the written exams, meaning that students are assessed on their understanding of experimental design and data analysis without the pressure of a separate practical endorsement at AS-Level.
    • OCR provides a wealth of free resources, including past papers, mark schemes, and interactive activities, which are invaluable for exam preparation and independent study.

    Frequently Asked Questions

    What is the difference between OCR AS-Level and A-Level Biology?
    The OCR AS-Level Biology is a standalone qualification that covers half the content of the full A-Level. It is typically studied over one year and results in an AS qualification. The full A-Level is a two-year course that includes all AS content plus additional topics, and it is the A-Level that is often required for university entry. If you choose to take the full A-Level, your AS grade does not count towards your final A-Level grade, but the knowledge you gain will be assessed in the A-Level exams.
    Are there any practical assessments in OCR AS-Level Biology?
    At AS-Level, there is no separate practical endorsement. Instead, practical skills are assessed through written exam questions that test your understanding of experimental methods, data analysis, and evaluation. You will still carry out a range of required practical activities during the course, which are designed to develop your skills and prepare you for these exam questions. If you continue to the full A-Level, you will need to complete a separate Practical Endorsement, which is reported alongside your grade.
    How many exams are there for OCR AS-Level Biology and what is the format?
    There are two written exams for OCR AS-Level Biology, each lasting 1 hour 30 minutes and worth 50% of your final grade. Paper 1 focuses on 'Foundations in Biology' and 'Exchange and Transport', while Paper 2 covers 'Biodiversity, Evolution and Disease'. Both papers include a mix of multiple-choice, short answer, and extended response questions, and each is worth 70 marks. There is no coursework component.
    What topics are covered in OCR AS-Level Biology?
    OCR AS-Level Biology covers three main modules: 'Foundations in Biology' (cell structure, biological molecules, enzymes, cell division), 'Exchange and Transport' (gas exchange, transport in animals and plants), and 'Biodiversity, Evolution and Disease' (classification, biodiversity, evolution, and disease). These topics provide a solid foundation for further study and are designed to be engaging and relevant to real-world biology.
    Is OCR Biology harder than other exam boards?
    The difficulty of an exam board is subjective and depends on your learning style. OCR is often praised for its clear and logical structure, which can make it easier to understand and revise. The exam questions are designed to test your application of knowledge, so you will need to practice applying concepts to unfamiliar scenarios. Many students find OCR Biology manageable with consistent study and use of past papers. It is always a good idea to look at sample papers and resources to see which board suits you best.
    Assessment and exam guidance

    What Gets Top Grades

    A*/Grade 9

    Knowledge & Understanding

    Demonstrates comprehensive and accurate knowledge

    • Uses correct subject-specific terminology
    • Shows detailed understanding of concepts
    • Makes accurate connections between topics
    • Demonstrates depth beyond surface-level knowledge

    Application

    Applies knowledge effectively to new contexts

    • Selects relevant knowledge for the question
    • Adapts understanding to unfamiliar scenarios
    • Uses examples appropriately
    • Shows awareness of context

    Analysis & Evaluation

    Develops sophisticated analytical arguments

    • Constructs logical chains of reasoning
    • Considers multiple perspectives
    • Weighs evidence to reach justified conclusions
    • Acknowledges limitations and nuances

    Key Command Words

    OCR
    State
    1 mark

    Give a single fact or term

    Identify
    1 mark

    Name or select

    Describe
    2-4 marks

    Account of process or features

    Explain
    3-6 marks

    Give reasons with BUSINESS-FACING outcomes

    Analyse
    6-9 marks

    Examine methodically showing cause→effect→outcome

    Evaluate
    9-12 marks

    Judge, weigh up evidence, reach SYNOPTIC conclusion

    Ready for a little practice?

    Create your account to start practising Biology.

    Start free

    A week of Premium from your first lesson · Then the free plan continues · No card, no charge

    Start free

    Cookies on MasteryMind

    Essential cookies keep you signed in.

    Analytics and advertising cookies stay off unless you accept.

    Read our Privacy Policy.