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IB Biology Question Bank

IB Biology Questions, Notes & Flashcards

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IB Biology topic 1 free access!

Topic 1: Cell Biology

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1.1: Introduction to cells

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1.2: Ultrastructure of cells

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1.3: Membrane structure

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1.4: Membrane transport

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1.5: The origin of cells

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1.6: Cell division

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Topic 2: Molecular Biology

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2.1: Molecules to metabolism

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2.2: Water

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2.3: Carbohydrates and lipids

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2.4: Proteins

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2.5: Enzymes

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2.6: Structure of DNA and RNA

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2.7: DNA replication, transcription and translation

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2.8: Respiration

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2.9: Photosynthesis

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Topic 3: Genetics

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3.1: Genes

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3.2: Chromosomes

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3.3: Meiosis

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3.4: Inheritance

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3.5: Genetic modification and biotechnology

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Topic 4: Ecology

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4.1: Species, communities and ecosystems

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4.2: Energy flow

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4.3: Carbon cycling

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4.4: Climate change

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Topic 5: Evolution & Biodiversity

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5.1: Evidence for evolution

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5.2: Natural selection

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5.3: Classification of biodiversity

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5.4: Cladistics

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Topic 6: Human Physiology

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6.1: Digestion and absorption

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6.2: The blood system

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6.3: Defence against infectious disease

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6.4: Gas exchange

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6.5: Neurones and synapses

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6.6: Hormones, homeostasis and reproduction

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Topic 7: Nucleic Acids (HL)

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7.1: DNA structure and replication (Higher Level)

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7.2: Transcription and gene expression (Higher Level)

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7.3: Translation (Higher Level)

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Topic 8: Respiration & Photosynthesis (HL)

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8.1: Metabolism (Higher Level)

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8.2: Respiration (Higher Level)

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8.3: Photosynthesis (Higher Level)

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Topic 9: Plant Biology (HL)

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9.1: Transport in the xylem of plants (Higher Level)

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9.2: Transport in the phloem of plants (Higher Level)

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9.3: Growth in plants (Higher Level)

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9.4: Reproduction in plants (Higher Level)

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Topic 10: Genetics & Evolution (HL)

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10.1: Meiosis (Higher Level)

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10.2: Inheritance (Higher Level)

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10.3: Gene pools and speciation (Higher Level)

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Topic 11: Animal Physiology (HL)

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11.1: Antibody production and vaccination (Higher Level)

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11.2: Movement (Higher Level)

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11.3: The kidney and osmoregulation (Higher Level)

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11.4: Sexual reproduction (Higher Level)

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