AP Biology Practice Tests

Practice Tests

Practice Topics

• AP Biology

  • Biochemical Concepts+9 topics

    • Water and Carbon+2 topics

      • Understanding Essential Properties of Water

      • Understanding Essential Properties of Carbon

    • Macromolecules+5 topics

      • Understanding Proteins

      • Understanding Carbohydrates

      • Understanding Lipids

      • Understanding Nucleic Acids

      • Identify structure and purpose of carbohydrates, lipids, proteins, and nucleic acids

  • Cellular Biology+28 topics

    • Cell Structures+6 topics

      • Understanding Eukaryotic and Prokaryotic Differences

      • Understanding the Cell Membrane

      • Understanding Other Cell Structures

      • Understand endosymbiotic theory

      • Understand functions of organelles in the cell

      • Identify how molecules move into and out of cells

    • Cell Functions+11 topics

      • Cellular Respiration+5 topics

        • Understanding Glycolysis

        • Understanding the Citric Acid Cycle

        • Understanding the Electron Transport Chain

        • Understand pyruvate decarboxylation

        • Understand aerobic respiration

      • Cellular Division+4 topics

        • Understanding the Cell Cycle

        • Understanding Mitosis

        • Understanding Meiosis

        • Apply 3 laws of inheritance to meiosis

    • Cellular Communications and Junctions+3 topics

      • Understanding Types of Cellular Communication

      • Understanding Types of Cellular Junctions

      • Understand types of signaling, receptors, and signaling molecules

    • Types of Cells and Tissues+4 topics

      • Understanding Epithelial and Endothelial Cells

      • Understanding Muscle Cells

      • Understanding Neural Cells

      • Understanding Connective Tissue

  • DNA, RNA, and Proteins+20 topics

    • DNA Repair and Replication+2 topics

      • Understanding DNA Repair

      • Understanding DNA Replication

    • DNA and RNA Structure+3 topics

      • Understanding Differences Between DNA and RNA

      • Understanding the Sugar-Phosphate Backbone

      • Understanding Nucleotides and Base Pairs

    • Transcription+5 topics

      • Understanding Transcription Processes

      • Understanding Transcription Proteins

      • Understanding Post-Transcription Modification

      • Understanding Prokaryotic Differences

      • Understand regulation of transcription

    • Translation+2 topics

      • Understanding Translation Processes

      • Understanding Ribosomes, tRNA, and Anti-codons

    • Proteins+3 topics

      • Understanding Protein Folding and Structure

      • Understanding Protein Functions

      • Understanding Amino Acids

  • Plant Biology+24 topics

    • Plant Evolution+2 topics

      • Understanding the Water-Land Transition

      • Understanding Other Plant Evolution

    • Classes of Plant+2 topics

      • Understanding Vascular and Avascular Plants

      • Understanding Angiosperms

    • Plant Structures+8 topics

      • Cellular Structures+2 topics

        • Understanding Chloroplasts

        • Understanding Other Plant Cell Structures

      • Macrostructures+4 topics

        • Understanding Leaves

        • Understanding Seeds, Flowers, and Fruits

        • Understanding Xylem and Phloem

        • Understanding Other Plant Macrostructures

    • Plant Functions+4 topics

      • Understanding Water and Nutrient Transport

      • Understanding Plant Reproduction

      • Understanding Other Plant Functions

      • Understanding Photosynthesis, Light Reactions, and Calvin Cycle

    • Photosynthesis+3 topics

      • Understand light independent reactions (Calvin cycle)

      • Understand light dependent reactions

      • Understand inputs and outputs, purpose

  • Microorganisms and Viruses+5 topics

    • Understanding Classifications

    • Understanding Bacteria

    • Understanding Protista

    • Understanding Fungi

    • Understanding Viruses and Prions

  • Systems Physiology+70 topics

    • Digestive System+7 topics

      • Digestive Anatomy+2 topics

        • Understanding the Upper Digestive Tract: Mouth to Stomach

        • Understanding the Lower Digestive tract: Small Intestine to Rectum

      • Digestive Physiology+3 topics

        • Understanding Stomach Enzymes and Cell Types

        • Understanding Emulsification

        • Understanding Other Digestive Physiology

    • Respiratory System+7 topics

      • Respiratory Anatomy+2 topics

        • Understanding Alveoli

        • Understanding Other Respiratory Anatomy

      • Respiratory Physiology+3 topics

        • Understanding Pressure Differentials

        • Understanding Gas Exchange

        • Understanding Other Respiratory Physiology

    • Circulatory System+11 topics

      • Circulatory Anatomy+2 topics

        • Understanding Vasculature

        • Understanding Heart Anatomy

      • Circulatory Physiology+7 topics

        • Vascular Physiology+3 topics

          • Understanding Hemoglobin and Transport

          • Understanding Osmotic and Oncotic Pressure

          • Understanding Other Vascular Physiology

        • Cardiac Physiology+2 topics

          • Understanding Electrical Stimulation in the Heart

          • Understanding Other Cardiac Physiology

    • Excretory System+7 topics

      • Excretory Anatomy+2 topics

        • Understanding Kidney and Nephron Anatomy

        • Understanding Other Excretory Anatomy

      • Excretory Physiology+3 topics

        • Understanding Nephron Physiology and Ion Reabsorption

        • Understanding Water Balance

        • Understanding Other Excretory Physiology

    • Immune System+6 topics

      • Understanding the Innate Immune Response

      • Understanding the Adaptive Immune Response

      • Understanding Cell Types

      • Understanding Immunoglobulins

      • Understanding Antibodies and Antigens

      • Understanding Other Immune System Components

    • Reproductive System+7 topics

      • Reproductive Anatomy+2 topics

        • Understanding Internal Anatomy

        • Understanding External Anatomy

      • Reproductive Physiology+3 topics

        • Understanding Embryogenesis and Development

        • Understanding Gametogenesis

        • Understanding Other Reproductive Physiology

    • Nervous System+14 topics

      • Neural Anatomy+3 topics

        • Understanding Neurons

        • Understanding the Spinal Cord

        • Understanding the Brain and Brain Structures

      • Neural Physiology+5 topics

        • Understanding Afferent and Efferent Neurons

        • Understanding Reflexes

        • Understanding Action Potentials

        • Understanding Neurotransmitters

        • Understanding Other Neural Physiology

      • Divisions of the Nervous System+3 topics

        • Understanding the Central and Peripheral Divisions

        • Understanding the Autonomic and Somatic Divisions

        • Understanding the Sympathetic and Parasympathetic Divisions

    • Endocrine System+3 topics

      • Understanding the Pituitary and Hypothalamus

      • Understanding Hormones

      • Understanding Glands

  • Evolution and Genetics+32 topics

    • Theorists and Evidence+7 topics

      • Understanding Lamarck

      • Understanding Darwin

      • Understanding Mendel

      • Understanding Other Theorists

      • Understanding Fossil Evidence

      • Understanding Structural Evidence

      • Understanding Other Evidence

    • Phylogenetics+2 topics

      • Understanding Building Phylogenies

      • Understanding Diagrams

    • Natural Selection+2 topics

      • Understanding Types of Selection

      • Understanding Biological Fitness

    • Speciation+2 topics

      • Understanding Sympatric and Allopatric Speciation

      • Understanding Reproductive Barriers

    • Population Genetics+3 topics

      • Understanding Hardy-Weinberg Assumptions and Calculations

      • Understanding Genetic Drift, Bottleneck Effect, and Founder Effect

      • Understand causes of genetic variation

    • Inheritance+8 topics

      • Understanding Autosomal and Sex-Linked Inheritance

      • Understanding Dominant and Recessive Traits

      • Understanding Co-dominance and Partial Dominance

      • Understanding Punnett Squares and Test Crosses

      • Perform chi squared test

      • Understand epistasis

      • Understand co-dominance

      • Understand incomplete dominance

    • Identify evolutionary change mechanisms

    • Draw and interpret phylogenetic trees

  • Ecology+8 topics

    • Understanding Ecosystems

    • Understanding Food Webs

    • Understanding Eco-Chemical Cycles

    • Understand biodiversity

    • Understand organisms' energy use

    • Understand trophic levels and flow of energy

    • Understand population growth

    • Understand differences between primary and secondary succession

  • Cellular energetics+2 topics

    • Understand ATP coupling

    • Understand structure and importance of ATP

  • Determine relationships of living organisms

  • Use the taxonomic classification system

  • Understand basic chemistry

  • Enzymes+4 topics

    • Understand competitive and noncompetitive inhibition

    • Understand the effect of environment of the enzyme

    • Understand enzyme structure and purpose

    • Understand different models of enzyme function

  • Central dogma+3 topics

    • Understand mutations that can arise

    • Understand steps of transcription

    • Understand steps of replication

  • Biomes