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

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

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