This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here This PowerPoint contains everything you need to teach the Theme/Unit C3.2 Defence against diseases in the new IB Biology specification. **YouTube video is a preview of the full resource (does not include all slides) ** This Powerpoint consists of over 90 slides and contains the followings: All the information the IB have included in the new spec. Exam tips Clear diagrams Summary videos Student research tasks Clearly identified HL and SL content Student checklist **Exam style questions Summary The following content is included: C3.2.1: Identify the categories of pathogens. C3.2.2: Describe the role of the skin and mucous membranes in primary defence of the body. C3.2.3: Explain the process of clotting of blood. C3.2.4: Differentiate between innate immune system and adaptive immune system. C3.2.5: State the role of phagocytes in controlling infection. C3.2.6: Explain the role of lymphocytes in adaptive immune responses. C3.2.7: Recall that antigens trigger antibody production. C3.2.8: Explain the activation of T-lymphocytes by helper T-cells. C3.2.9: Outline the role of activated B-lymphocytes in production of sufficient quantities of antibodies. C3.2.10: Describe the role of memory cells in immunity. C3.2.11: Describe the means of transmission of HIV. C3.2.12: Study the effect of the virus on the functioning of the immune system (lymphocytes) C3.2.13: State the role of antibiotics in controlling bacterial infections. C3.2.14: Infer the causes of bacterial resistance. C3.2.15: Explain the transmission of zoonotic diseases. C3.2.16: Explain the role of vaccines in developing immunity. C3.2.17: Describe the interdependence of a population in building herd immunity. C3.2.18: Evaluate data related to COVID-19 pandemic

Full resources bundle made up of 4 lessons which you can use to teach topic 21 (iGCSE Cambridge). Each lesson contains starter tasks, regular assessment questions with answers, all key information and student friendly diagrams. The following lessons are included: Genetic engineering pt 1 and 2 (process of genetic modification and GMO crops). Biotechnology pt 1 and 2 (uses of microorganisms in processes and fermenters). Student checklist

This resource contain over 200 slides and has been divided into 17 lessons. Each lesson contains a starter tasks, questions and answers, research tasks, comprehensive notes. This resources cover the following topics: Water Intro to biological polymers Sugars and Carbohydrates Testing for sugars practical Test for starch practical Colorimeter Serial dilutions Amino acids and polypeptides Levels of protein structure Functional proteins Lipids Test for lipids Chromatography End of unit test Mini test

This excellent resource contains 7 lessons which cover gas exchange in humans. Each lesson contains a starter activity with answers, notes, research tasks, questions with answers, practicals. The lessons included are: Human Breathing system Inhalation and Exhalation Composition of inhaled and exhaled air (incl practical) Effects of excercise on breathing (incl practical) Protecting the breathing system Smoking and causal/correlation links (two lessons) Student checklist

This resource contain over 120 slides and has been divided into 7 lessons. Each lesson contains a starter tasks, questions and answers, research tasks, comprehensive notes. This resources cover the following topics: Surface area to volume ratio Exchange surfaces Respiratory tissue Measuring ventilation Ventilation in fish Ventilation in insects Mini test End of unit test

This bundle consists of 9 end of unit exams for Theme/Unit C of the new IB Biology specification: C1.1: Enzymes C1.2: respiration C1.3: photosynthesis C2.1: Chemical signalling (HL only) C2.2: Neural signalling C3.1: Integration of body systems C3.2: Defence against disease C4.1: Populations and communities C4.2: Transfer of energy and matter Each exam can be used as an end of topic exam and consists of: 10 multiple choice questions Questions using IB command terms: state, explain, analyse, describe Data based question Mark schemes included

This bundle contains 35 comprehensive checklist for the Cambridge iGCSE Co-ordinated science syllabus. Updates have been made to B9 and C12&13 have been made (initally incorrect checklist were uploaded Each checklist contains a detailed breakdown of the content students are expected to know. The checklist use a RAG system (Red, Amber, Green) which students use to evaluate their understanding: Red: Students is not familiar with the objective and need to revise Amber: Student is somewhat familiar with the objective but still need to revise Green: Student is confident with the objective. These checklist are fantastic for supporting students with their revision for either end of year exams, end of topic revision or for their actual iGCSE.

This bundle consists of 9 end of unit exams for: B1.1: Lipids and carbohydrates B1.2: Proteins B2.1: Membranes and membrane transport B2.2: Organelles and compartmentalisation B2.3: Cell specialisation B3.1: Gas exchange B3.2: Transport B3.3: Muscles and motility B4.1: Adaptations to the environment B4.2: Ecological niches Each exam can be used as an end of topic exam and consists of: 7-10 multiple choice questions Questions using IB command terms: state, explain, analyse, describe Data based question Mark schemes included

This bundle contains 41 comprehensive checklist for the IB Biology (first exams 2025) syllabus. Each checklist contains a detailed breakdown of the content students are expected to know. The checklist use a RAG system (Red, Amber, Green) which students use to evaluate their understanding: Red: Students is not familiar with the objective and need to revise Amber: Student is somewhat familiar with the objective but still need to revise Green: Student is confident with the objective. These checklist are fantastic for supporting students with their revision for either end of year exams, end of topic revision or for their actual IB exams. Both word and pdf versions

This bundle consists of 9 end of unit exams for: A1.1 Water A1.2 Nucleic acids A2.1: Origins of cells A2.2: Cell structure A2.3: Viruses A3.1: Diversity in organisms A3.2: Classification & cladisitics A4.1: Evolution & Speciation A4.2: Ecosystems Exam exam can be used as an end of topic exam and consists of: 7-10 multiple choice questions Questions using IB command terms: state, explain, analyse, describe Data based question Mark schemes included

Complete unit of work for OCR A-level biology unit on Enzymes. Contains presentation, past paper questions, required practicals and end of unit assessments on the following topics: GCSE Enzymes recap Enzymes Enzyme mechanisms Enzymes and temperature Enzymes and pH/Buffers Effects of concentration on rate of reaction Standard deviation Enzyme inhibitors Co-enzymes and Co-factors End-product inhibition

Complete unit of work for OCR A-level biology unit on Nucleotides, DNA, Transcription and translation. Contains presentation, past paper questions, required practicals and end of unit assessments on the following topics: Nucleotides DNA DNA replication Coding for Proteins Transcription Translation

This resource consist of everything you will need to teach iGCSE Co-ordinated science (cambridge) B10 reproduction. This resource consists of 3 powerpoints (over 80 slides in total) and a student checklist. Approximately 8 lessons are needed to complete this unit. Lessons included: Sexual and asexual reproduction Reproduction in plants (structure of the flower, pollen, insect and wind pollination, fertilisation and germination) Sexual reproduction humans (male and femal reproductive system, menstrual cycle, fertilisation, gestation of foetus, HIV/AIDs) Each lesson consists: Starter tasks Clear diagrams and explanations Student questions with answers Research tasks Videos Student checklist

This bundle consists of 12 end of unit exams for: D1.1: DNA replication D1.2: Protein synthesis D1.3: Mutations and gene editing D2.1: Cell and nuclear division D2.2: Gene expression D2.3: Water potential D3.1: Reproduction D3.2: Inheritance D3.3: Homeostasis D4.1: Natural selection D4.2: Stability and change D4.3: Climate change Each exam can be used as an end of topic exam and consists of: 8-10 multiple choice questions Questions using IB command terms: state, explain, analyse, describe Data based question Mark schemes included

Full resources bundle which you can use to teach topic 3 (IB SL Biology). Contains: Over 300 slides which can be used to teach over 20 hours. Contains starter tasks and regular assessment questions with answers Covers all subtopics 3.1 Genes, 3.2: Chromosomes, 3.3: Meiosis, 3.4: Inheritance and 3.5: Genetic modification and Biotechnology Student checklist