IB Biology SL - Questionbank
The IB Biology SL Questionbank is a great source of practice questions, coming from the entire syllabus! Each question comes with a clear markscheme and solution video, with an experienced IB teacher going through the question step-by-step. The questions are organized by topic and arranged by difficulty, making it the perfect resource for studying a particular concept.
Topic 1
Cell Biology
Topic 1 All
All Questions in Topic 1 Cell Biology
Stem Cells, Cell Theory, & Microscopy
Functions of Life, Cell Theory & Exceptions, Differentiation, Stem Cells, SA:V, Magnification, Stargardt's Disease
Ultrastructure of Eukaryotes & Prokaryotes
Cell Ultrastructure, Prokaryotic & Eukaryotic cells, Functions of Organelles, Binary Fission, Micrographs, Microscopes
Membrane Structure
Plasma Membrane Structure & Function, Amphipathic Properties, Cholesterol, Davson-Danielli & Singer-Nicolson models
Membrane Transport
Osmosis, Passive & Active Transport, Endocytosis, Exocytosis, Sodium/Potassium pump, Osmolarity Experiments
The Origin of Cells
Origin of Cells, Universal code, Endosymbiotic theory, Pasteur and Spontaneous Generation
Cell Division
Mitosis, Interphase, Cytokinesis, Cyclins, Supercoiling, Mutagens & Oncogenes, Smoking & Cancer, Mitotic Index
Topic 2
Molecular Biology
Topic 2 All
All Questions in Topic 2 Molecular Biology
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Molecules to Metabolism
Carbon Tetravalency, Biomolecules, Metabolism, Anabolism, Catabolism, Hydrolysis of Macromolecules, Monomers & Polymers
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Water
Polarity, Hydrogen Bonding, Adhesion, Cohesion, Thermal Properties, Hydrophilic & Hydrophobic, Transport of Substances
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Carbohydrates & Lipids
Carbohydrate & Lipid Structures & Functions, Condensation & Hydrolysis, BMI, Nomograms, Lipids & Health, Energy Storage
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Proteins
Protein Structure & Functions, Peptide Bond, Condensation & Hydrolysis, pH and Temperature, Proteomics
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Enzymes
Enzyme Structure & Function, Active Site, Enzyme Activity Experiments, Denaturation, Immobilization, Lactose-Free Milk
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Structure of DNA & RNA
DNA & RNA Structure, Complementarity, Watson & Crick, Nucleotide structure, Antiparallel nature
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DNA Replication, Transcription, & Translation
Replication, Complementarity, Transcription, Translation, Codons, Meselson & Stahl, Taq Polymerase, Genetic Code
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Cell Respiration
Aerobic & Anaerobic Respiration, ATP, Lactic Acid Fermentation, Alcohol Fermentation, Respirometer Experiments
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Photosynthesis
Light, Pigments, Photosynthesis, Photolysis, Chromatography, Limiting Factors Experiment, Absorption & Action Spectrum
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Topic 3
Genetics
Topic 3 All
All Questions in Topic 3 Genetics
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Genes, Alleles, and Genomes
Genes, Locus, Alleles, Mutation, Genome, Human Genome Project, Sickle Cell Anaemia, Genbank
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Chromosomes
Plasmid, Histone, Homologous, Haploid & Diploid, Karyotype, Autosomes & Sex Chromosomes, Autoradiography, Down, BLAST
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Meiosis
Crossing Over, Meiosis I & II, Gametes, Genetic Variation, Non-Disjunction, Chorionic Villi Sampling, Amniocentesis
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Inheritance
Mendel, Zygote, Dominant & Recessive, Co-dominant, Diseases, Sex-linkage, Mutagens, ABO groups, Punnett Grid, Pedigree
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Genetic Modification & Biotechnology
Gel Electrophoresis, PCR, DNA Profiling, Cloning, Genetic Modification, GMO, Rooting Experiment, Bt Crops
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Topic 4
Ecology
Topic 4 All
All Questions in Topic 4 Ecology
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Species, Communities, and Ecosystems
Populations, Autotroph & Heterotroph, Consumer, Detritivore & Saprotroph, Mesocosm, Chi-squared Test, Quadrat Sampling
RV GOLD
Energy Flow
Light Energy, Chemical Energy, Biomass, Energy Loss, Trophic Levels, Pyramid of Energy, Energy Flow and Nutrient Cycling
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Carbon Cycling
Carbon Dioxide, Carbon Cycle, Methane, Peat, Coal, Oil & Gas, Fossils, Corals, Limestone, Air Monitoring, Carbon Fluxes
RV GOLD
Climate Change
Greenhouse Gases, Long-Wave Radiation, Global Temperature & Climate, Coral Reefs, the Precautionary Principle
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Topic 5
Evolution & Biodiversity
Topic 5 All
All Questions in Topic 5 Evolution & Biodiversity
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Evidence for Evolution
Fossil Record, Selective Breeding, Homologous Structures, Gradual Divergence, Continuous Variation, Melanism
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Natural Selection
Natural Selection, Sources of Variation, Adaptations, Finches, Antibiotic Resistance
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Classification & Biodiversity
Binomial System, Taxonomy, Domains, Kingdoms, Reclassification, Plant & Animal Phyla, Chordata Classes, Dichotomous Key
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Cladistics
Clade, Cladograms, Analogous & Homologous Traits, Figwort Reclassification
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Topic 6
Human Physiology
Topic 6 All
All Questions in Topic 6 Human Physiology
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Digestive System
Peristalsis, Villi, Nutrient Absorption, Digestion of Starch, Dialysis Tubing, Digestive System Anatomy, Enzymes
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Circulatory System
Arteries, Veins, Capillaries, Pressure, Pacemaker, Heart Structure & Regulation, Harvey, Cardiac Cycle, Occlusion
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Immune System
Pathogens, Blood Clotting, Antibodies, Antigens, Antibiotics, Florey & Chain's Experiment, HIV, Phagocytes, Lymphocytes
RV GOLD
Respiratory System
Gas Exchange, Respiratory Anatomy, Pneumocytes, Diaphragm, Intercostal Muscles, Lung Cancer, Emphysema, Spirometer
RV GOLD
Neuronal System
Threshold, Action & Resting Potentials, Neurons, Myelination, Synapses, Neurotransmitters, Neonicotinoids, Oscilloscopes
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Endocrine & Reproductive Systems
Glands, Insulin, Glucagon, Thyroxin, Leptin, Melatonin, Sex Hormones & Menstrual Cycle, Diabetes, IVF, Anatomy, Harvey
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Frequently Asked Questions
What is the IB Biology SL Questionbank?
The IB Biology SL Questionbank is a comprehensive set of IB Biology exam style questions, categorised into syllabus topic and concept, and sorted by difficulty of question. The bank of exam style questions are accompanied by high quality step-by-step marksBioes and video tutorials, taught by experienced IB Biology teachers. The IB Biology SL Question bank is the perfect exam revision resource for IB students looking to practice IB Biology exam style questions in a particular topic or concept in their IB Biology Standard Level course.
Where should I start in the Biology SL Questionbank?
The IB Biology SL Questionbank is designed to help IB students practice Biology SL exam style questions in a specific topic or concept. Therefore, a good place to start is by identifying a concept that you would like to practice and improve in and go to that area of the Biology SL Question bank. For example, if you want to practice Biology SL exam style questions covering Cell Division, you can go to Biology SL Topic 1 (Cell Biology) and go to the Cell Division area of the question bank. On this page there is a carefully designed set of IB Biology SL exam style questions, progressing in order of difficulty from easiest to hardest. If you’re just getting started with your revision, you could start at the top of the page with the easiest questions, or if you already have some confidence, you could start at the medium difficulty questions and progress down.
How should I use the Biology SL Questionbank?
The Biology SL Questionbank is perfect for revising a particular topic or concept, in-depth. For example, if you wanted to improve your knowledge of Cell Division, there are over 20 IB Biology SL exam style questions focused specifically on this concept. Alternatively, Revision Village also has an extensive library of Biology SL Practice Exams, where students can simulate the length and difficulty of an IB exam with the Mock Exam sets, as well as Biology SL Key Concepts, where students can learn and revise the underlying theory, if missed or misunderstood in class.
What if I finish the Biology SL Questionbank?
With an extensive and growing library of full length IB Biology SL exam style questions in the Biology SL Question bank, finishing all of the questions would be a fantastic effort, and you will be in a great position for your final exams. If you were able to complete all the questions in the Biology SL Question bank, then a popular option would be to go to the Biology SL Practice Exams section on Revision Village and test yourself with the Mock Exam Papers, to simulate the length and difficulty of an actual IB Biology SL exam.
More IB Biology SL Resources
Questionbank
All the questions you could need! Sorted by topic and arranged by difficulty, with mark schemes and video solutions for every question.
New
Practice Exams
Choose your revision tool! Contains topic quizzes for focused study, Revision Village mock exams covering the whole syllabus, and the revision ladder to precisely target your learning.
Coming Soon
Key Concepts
Helpful refreshers summarizing exactly what you need to know about the most important concepts covered in the course.
Coming Soon
Past Papers
Full worked solutions to all past paper questions, taught by experienced IB instructors.