
Biology 5090 is a major O-level subject. It is an elective, and along with Chemistry and Physics, it lays a pre-requisite foundation for the A-level subject in medicine.
Cambridge O Level Biology 5090 enables students to explore and understand the biological world around them while fostering an informed interest in science and modern scientific advancements. The syllabus covers key biological principles and concepts, real-world applications of biology, and emphasizes the development of practical skills. It builds a career in the medical field.
Additionally, it helps learners build essential scientific skills that prepare them for Cambridge International AS & A Level studies, higher education, or careers in science-related fields.
Whether you’re preparing for your exams or looking for study materials, this guide covers everything about Biology 5090, including the syllabus, exam format, and past paper resources.
What is Biology 5090?
Cambridge O Level Biology (5090) is one of the most popular science subjects offered under the Cambridge Assessment International Education (CAIE) curriculum. It gives students an in-depth understanding of the biological aspects of science, the living organisms, biological systems, and the processes that sustain life.
The Biology 5090 syllabus not only builds conceptual knowledge but also develops scientific skills such as observation, data interpretation, and experimental analysis, essential for students aspiring to pursue A Level Biology, Medicine, Biotechnology, or Environmental Science. It requires clearing the medical exam, the MDCAT, and gaining admission to the top medical universities.
Cambridge O Level Biology enables students to explore and understand the biological world around them while fostering an informed interest in science and modern scientific advancements. The syllabus covers key biological principles and concepts, real-world applications of biology, and emphasizes the development of practical skills.
Additionally, it helps learners build essential scientific skills that prepare them for Cambridge International AS & A Level studies, higher education, or careers in science-related fields.
Whether you’re preparing for your exams or looking for study materials, this guide covers everything about Biology 5090, including the syllabus, exam format, and past paper resources.
Aim of Biology 5090 syllabus:
The Cambridge O Level Biology 5090 syllabus aims to help students:
- Understand the structure and function of living organisms.
- Recognize how biological principles apply to everyday life.
- Develop practical skills and scientific reasoning.
- Appreciate the importance of biology in sustainable development.
- Prepare for advanced studies in science-related fields.
In short, the syllabus focuses on both theoretical knowledge and practical understanding, encouraging learners to think critically and scientifically.
Biology 5090 Syllabus Overview (2025 Edition)

The Biology 5090 syllabus is divided into major topics that explore key biological concepts. Below is a summary of the content areas covered:
- Characteristics and Classification of Living Organisms
Major groups of organisms, classification systems, and features of living things. - Organisation of the Organism
Cell structure, organization, and differentiation of tissues and organs. - Movement into and out of Cells
Diffusion, osmosis, and active transport. - Biological Molecules
Structure and functions of carbohydrates, proteins, fats, and enzymes. - Enzymes
Factors affecting enzyme activity and their importance in metabolism. - Plant Nutrition
Photosynthesis, mineral nutrition, and adaptations for light absorption. - Human Nutrition
Digestive system, balanced diet, and effects of malnutrition. - Transport in Plants and Animals
Circulatory systems, xylem, phloem, and heart structure. - Respiration
Aerobic and anaerobic respiration, energy release in cells. - Excretion, Coordination, and Response
Human excretory system, sense organs, and nervous control. - Reproduction
Asexual and sexual reproduction in plants and humans. - Organisms and Their Environment
Food chains, ecosystems, and energy flow. - Human Influences on Ecosystems
Pollution, conservation, and global sustainability. - Biotechnology and Genetic Engineering
DNA technology, cloning, and genetic modification.
Assessment Overview and Exam Structure:
The exam structure for this subject is similar to that of other science O-level subjects. Students taking Biology 5090 must sit for three written papers. The breakdown is as follows:
| Paper | Title | Duration | Marks | Weighting |
| Paper 1 | Multiple Choice | 1 hour | 40 marks | 30% |
| Paper 2 | Theory | 1 hour 45 minutes | 80 marks | 50% |
| Paper 4 | Alternative to Practical | 1 hour | 40 marks | 20% |
- Paper 1 tests general knowledge through multiple-choice questions.
- Paper 2 assesses understanding, reasoning, and application through structured and short-answer questions.
- Paper 4 evaluates practical and data interpretation skills, even for students who don’t perform physical experiments.
Biology 5090 Past Papers: Practice and Preparation:
One of the best ways to prepare for the exam is by solving past papers. Past papers help students understand question patterns, the marking scheme, and frequently recurring topics.
How to Use Past Papers Effectively
- Attempt papers in timed conditions: This can help you learn exam time management and perform better in exams.
- Check your answers against official marking schemes: It will help you to understand how the examiner marks your answer, and you can improve your answering techniques.
- Highlight command words (describe, explain, outline): These command words are the core of the question. Once you identify how to tackle these kinds of questions, you will definitely improve your grade.
- Review examiner reports to understand common mistakes: Examiner reports are one of the most useful tools. They can help you understand what the examiner is expecting from your answer, and you will learn how to structure a better answer.
Where to Find Biology 5090 Past Papers?
You can access Biology 5090 past papers and marking schemes from:
- Cambridge International Website
- PapaCambridge
- VACE Global: VACE Global is an education hub that not only provides high-quality tutors but also allows students to have free downloadable resources, such as past papers.
How to Study Effectively for Biology:
Preparing for Cambridge O Level Biology (5090) requires both conceptual understanding and smart study techniques. Here’s how you can make your study sessions more productive and efficient:
- Follow the syllabus: Start by downloading and reviewing the latest Cambridge Biology 5090 syllabus 2026. It acts as your study roadmap, outlining all the topics you need to cover, from cell structure and genetics to ecology and human physiology. Make sure every chapter you study aligns with this syllabus so you don’t waste time on unnecessary material.
- Make visual notes: Biology is a subject full of processes and systems, and visual learning can make it much easier to remember. Use diagrams, flowcharts, mind maps, and flashcards to summarize key concepts such as photosynthesis, respiration, and the circulatory system. Label your diagrams carefully; this practice also helps you during exam diagrams, where clarity matters.
- Understand command words: Cambridge exam questions use specific command words like define, describe, explain, compare, and suggest. Each one requires a different type of answer. For example, a define needs a precise statement, while explain asks for reasoning or cause-and-effect relationships. Understanding these words helps you tailor your answers to what the examiner expects.
- Revise regularly: Biology has a vast syllabus, and last-minute cramming doesn’t work. Create a weekly revision schedule where you review previously studied topics. Short, consistent revision sessions help move information from short-term to long-term memory and keep older topics fresh
- Practice diagrams: Diagrams carry significant marks in Biology exams. Practice drawing them clearly and neatly in pencil, ensuring labels are placed on the right side and written horizontally. Alongside this, solve past paper questions to familiarize yourself with exam patterns, improve time management, and identify weak areas for further practice.
- Connect theory with real-life examples:
Try linking what you study to everyday life, like understanding how enzymes work when cooking or how osmosis explains why plants wilt. These connections deepen understanding and make Biology more interesting and relatable.
Recommended Books:
Main Textbook: Cambridge O Level Biology by Mary Jones & Geoff Jones
Workbooks & Revision Guides:
- O Level Biology Revision Guide (Cambridge University Press)
- CAIE Past Paper Questions & Answers Series
The official Biology 5090 syllabus for 2026 – 2028 is available in PDF format.
Tips to Score an A in Biology:
Getting an A in Cambridge O Level Biology (5090) is absolutely achievable with the right strategy. The key is to combine understanding, practice, and presentation. Here are some proven tips to help you secure top grades:
- Understand, don’t memorize blindly: Focus on grasping the logic behind biological concepts instead of rote learning. Understanding how and why processes occur helps you apply knowledge to unfamiliar exam questions.
- Use appropriate scientific terminology: Always use precise scientific terms in your answers. This shows examiners that you understand the topic deeply and can communicate your ideas accurately.
- Draw neat, labeled diagrams: Make your diagrams clean, simple, and clearly labeled. Use a sharp pencil and ensure labels are written horizontally and neatly to earn full marks.
- Practice at least five past papers: Attempt multiple past papers under timed conditions. This improves exam technique, exposes question trends, and helps you understand the marking scheme.
- Manage your time wisely: Plan your exam time carefully and leave a few minutes at the end to review your answers. Good time management ensures accuracy and reduces careless mistakes.
Paper 4 Overview of Biology:
The Alternative to Practical (Paper 4) tests students’ ability to interpret experimental data, analyze results, and make biological conclusions.
Common Experiment Topics Include:
- Photosynthesis investigations: Understanding how light intensity or carbon dioxide affects the rate of photosynthesis.
- Enzyme reactions and temperature effects: Analyzing how temperature changes influence enzyme activity, such as catalase or amylase experiments.
- Osmosis in plant tissues: Interpreting experiments using potato or onion cells to study water movement across membranes.
- Food tests: Recognizing the procedures and results of biochemical tests like Benedict’s for glucose, iodine for starch, Biuret for protein, and ethanol for fats.
Preparation Tips:
- Learn experimental procedures: Be familiar with the steps, apparatus, and safety precautions for all common school lab experiments.
- Practice data interpretation: Regularly solve questions involving tables, graphs, and experimental scenarios to strengthen analytical skills.
- Memorize test results: Know the expected color changes and outcomes for each food test. This is a frequent question area in Paper 4.
Why Choose Biology 5090?
Biology 5090 is ideal for students who are curious about life and living systems. It helps build a strong foundation for subjects like:
- A Level Biology (9700)
- Medicine and Dentistry
- Biochemistry and Microbiology
- Environmental and Earth Sciences
How VACE Global Helps You Excel in Biology 5090:
At VACE Global, we go beyond traditional tutoring; we help you truly understand Biology, not just memorize it. Our goal is to ensure every student builds strong conceptual clarity and exam confidence for Cambridge O Level Biology (5090):
- Expert Cambridge-certified biology tutors: Learn from highly qualified teachers who have years of experience with the Cambridge Biology 5090 syllabus and marking schemes.
- Regular biology 5090 past paper practice sessions: We conduct frequent Biology 5090 past paper sessions where you get examiner-style feedback to strengthen your answering techniques.
- Chapter-wise assessments and targeted revision: Our structured revision system ensures that no topic is left uncovered, from cell biology to genetics and human physiology.
- Focused guidance for A preparation: We prepare you not just for exams, but for your next academic step. Our tutors guide you in developing scientific thinking skills essential for Cambridge International AS & A Level Biology.
- Scheduled revision: We design a structured revision timetable that keeps you consistent and organized. Our tutors help you revisit key topics weekly, ensuring that everything stays fresh before the exams.
- Crash courses for exam-stress preparation: Our intensive Biology 5090 crash courses are perfect for last-minute revision. These focused sessions cover high-weightage topics, tricky concepts, and exam techniques to boost confidence and reduce stress before exam day.
Join our online O Level Biology 5090 classes and experience structured learning designed to help you succeed in your exams.
Conclusion:
The Cambridge O Level Biology 5090 syllabus is designed to give students a complete understanding of life processes and biological systems. By studying strategically, revising key topics, and practicing Biology 5090 past papers, you can master this subject and achieve top grades.
Start your Biology 5090 journey with VACE Global, where expert tutors, interactive lessons, and personalized support help you reach your academic goals.
FAQs:
1. What is the syllabus code for O Level Biology?
The syllabus code is 5090 under the Cambridge O Level qualification.
2. How many papers are there in Biology 5090?
Three: Paper 1 (MCQ), Paper 2 (Theory), and Paper 4 (Alternative to Practical).
3. Where can I download the Biology 5090 syllabus PDF?
You can find it on the official Cambridge International website under “Syllabus & Specimen Papers.”
4. How can I access Biology 5090 past papers online?
Websites like PapaCambridge and VACE Global offer free downloads of past papers and marking schemes.
5. Is Biology 5090 hard?
Not if you understand concepts clearly and practice past papers regularly. With the right preparation and tutoring, it’s very achievable.