SL IB Biology
Exam Questions

Hydrogen Bonds, Physical & Chemical Properties of Water

DNA & RNA Structure, Basis of Genetic Code, Nucleic Acid Structure & Function

Cell Theory, Cell Theory: Skills, Microscopes, General Cell Structure, Prokaryotic Cell Structure, Eukaryotic Cell Structure, Functions of Life, Eukaryotic Cell Structure: Comparisons & Atypical Examples, Cell Types & Structures: Skills, Drawing Cells: Skills

Biological Species Concept, Chromosome Number, Karyograms: Skills, Genomes, Comparing Genome Sizes: Skills, Uses of Genome Sequencing

Evolution, Evidence of Evolution, Convergent Evolution, Speciation

Biodiversity, Reasons for Extinction, Ecosystem Loss, Loss of Biodiversity, How to Preserve Biodiversity

Properties of Carbon, Macromolecules, Carbohydrates: Definition, Functions & Examples, Role of Glycoproteins, Lipids, Fatty Acids, Phospholipids

Formation of Proteins, The Variety of Proteins, Protein Structure: Effect of pH & Temperature

Lipid Bilayers, Membrane Proteins, Membrane Transport, Glycolipids & Glycoproteins, The Fluid Mosaic Model: Skills

Cell Organelles, Cell Compartmentalisation

Stem Cells, Cell Specialisation

Gas Exchange in Organisms, Mammalian Lungs: Adaptations, Mechanism of Ventilation, Measuring Lung Volumes: Skills, Gas Exchange in Plants, Drawing Leaf Structure: Skills, Determining Stomatal Density: Skills

Blood Vessels, Identify Blood Vessels: Skills, Measuring Pulse Rate: Skills, Coronary Heart Disease: Skills, The Transpiration Stream, Adaptations of Xylem Vessels, Drawing Root & Stem Structure: Skills

Habitats, Abiotic Factors & Species Distribution, Species Distribution: Skills, Abiotic Factors: Marine & Terrestrial, Biomes

Ecological Niches, Methods of Nutrition, Nutrition in Hominidae: Skills, Nutrition: Adaptations of Organisms, Competition Between Species

Metabolism: Enzymes & Reactions, Enzyme Action, Enzyme Activity: Skills, Enzyme Reaction Rates: Skills, Activation Energy: Skills

Adenosine Triphosphate (ATP), Cell Respiration, Cell Respiration: Skills

The Process of Photosynthesis, Separating Photosynthetic Pigments: Skills, Absorption Spectra, Absorption & Action Spectra: Skills, Limiting Factors of Photosynthesis: Skills, Carbon Dioxide Enrichment Experiments

Neurones: Function & Structure, Nerve Impulses, Nerve Impulses: Skills, Synapses

Integration in Living Organisms, The Nervous System, Reflex Arc & Movement Control, Epinephrine & Melatonin, Control Mechanisms

Pathogens, Barriers to Pathogens: Skin & Mucous Membranes, Blood Clotting, The Immune System, White Blood Cells, Adaptive Immune Response, HIV & AIDS, Antibiotics, Antibiotic Resistance, Zoonoses, Vaccines & Immunity, Evaluating COVID-19 Data: Skills

Populations in Ecosystems, Estimating Population Size, Limiting Population Size, Limiting Population Size: Examples, Population Growth Curves: Skills, Populations: Intraspecific Relationships, Community: Interspecific Relationships, Interspecific Competition, Chi-Squared Test: Skills

Ecosystems as Open Systems, Energy Flow in Ecosystems, Obtaining Carbon Compounds in Ecosystems, Trophic Levels, Pyramids of Energy: Skills, Energy Losses, Primary & Secondary Production, The Carbon Cycle, Nutrient Cycling

DNA Replication, Electrophoresis & PCR, Electrophoresis & PCR: Applications

Transcription in Protein Synthesis, Translation in Protein Synthesis, The Genetic Code, Protein Structure & Mutations

Gene Mutations, Consequences of Gene Mutations, Mutations & Genetic Variation

Cell Division, Nuclear Division, Mitosis, Mitosis: Skills, Meiosis

Osmosis, Osmosis in Cells, Osmosis: Skills

Sexual & Asexual Reproduction, Sexual Reproduction, The Menstrual Cycle, Fertilisation, Plant Reproduction, Pollination, Seed Dispersal & Germination

Genetic Inheritance & Genetic Crossing, Inheritance: Terminology, Inheriting Alleles, Sex Determination, Pedigree Charts, Continuous Variation: Skills

Homeostasis: Maintaining the Internal Environment, Regulation of Blood Glucose, Thermoregulation

Natural Selection & Evolution, Selection Pressures, Selection Pressures: Skills

Stability in Ecosystems, Ecosystem Stability: Skills, Keystone Species, Sustainability in Ecosystems & Agriculture, Eutrophication, The Effects of Pollution, Restoring Ecosystems

Causes of Climate Change, Impact of Climate Change, Carbon Sequestration

Safety, Ethical & Environmental Issues in Biology (HL), Measuring Variables in Biology, Applying Techniques in Biology

Applying Technology to Collect Data in Biology, Applying Technology to Process Data in Biology

Applying General Mathematics in Biology, Using Units, Symbols & Numerical Values in Biology, Processing Uncertainties in Biology, Graphing in Biology