Skip to content

Theoretical 2

Start Timed Attempt → 🏆 Leaderboard

Theoretical 2 Exam + Official Answer Key Community Solutions (unofficial)
Q51 Cancer Cell Metabolism, Aerobic Glycolysis and the Warburg Effect Bioenergetics & Central Metabolism OverviewHard IBO·2022·Q51 — ptsPDF
Q52 Cryopyrin Inflammasome, Western Blot of WT and Mutant Variants Immune PhysiologyHard IBO·2022·Q52 — ptsPDF
Q53 Telomerase, Mechanism of Telomere Extension DNA Structure & ReplicationMedium IBO·2022·Q53 — ptsPDF
Q54 NAD(P)H Fluorescence During the Aerobic-Anaerobic Transition in Yeast Bioenergetics & Central Metabolism OverviewHard IBO·2022·Q54 — ptsPDF
Q55 X-Irradiation of Yeast, NAD(P)H Fluorescence and Metabolic Recovery Bioenergetics & Central Metabolism OverviewHard IBO·2022·Q55 — ptsPDF
Q56 Lysosomal Exocytosis in Cancer Cells Endomembrane System & Protein TraffickingMedium IBO·2022·Q56 — ptsPDF
Q57 PIP2/PIP3 Signaling in T Cells, PTEN and Antigen Dose Immune Physiology Cell Signaling & CommunicationMedium IBO·2022·Q57 — ptsPDF
Q58 TAK1 Kinase and Takinib, Competitive vs Non-Competitive Inhibition Enzyme Kinetics & RegulationHard IBO·2022·Q58 — ptsPDF
Q59 Mitochondrial Innate Immunity, Yme1L, SLC25A33 and mtDNA Release Mitochondria & Chloroplasts: Structure & Endosymbiotic Origin Immune PhysiologyHard IBO·2022·Q59 — ptsPDF
Q60 Alzheimer's Disease, APP Processing by α-, β- and γ-Secretases Protein Structure, Folding & FunctionMedium IBO·2022·Q60 — ptsPDF
Q61 RNA Virus Replication Cycles, Genome Classification Nucleotide & Nucleic Acid ChemistryMedium IBO·2022·Q61 — ptsPDF
Q62 Pine Needle Cross-Section, Resin Duct and Mesophyll Leaf AnatomyEasy IBO·2022·Q62 — ptsPDF
Q63 Land Plant Phylogeny, Evaluating Four Cladograms Plant Body Plans Across Major LineagesMedium IBO·2022·Q63 — ptsPDF
Q64 The C4 Rice Project, Engineering C4 Photosynthesis into a C3 Crop Calvin Cycle, Photorespiration & C4/CAM BiochemistryMedium IBO·2022·Q64 — ptsPDF
Q65 Arabidopsis Sun vs Shade Leaves, Cross-Section Comparison Leaf AnatomyMedium IBO·2022·Q65 — ptsPDF
Q66 Transpiration Rate Differences Between Leaf Surfaces Stomatal Physiology & Gas ExchangeEasy IBO·2022·Q66 — ptsPDF
Q67 Root Water Transport Pathways, Apoplast vs Symplast Water Transport & TranspirationMedium IBO·2022·Q67 — ptsPDF
Q68 Pressure-Flow Model of Phloem Sucrose Transport Phloem Transport & TranslocationMedium IBO·2022·Q68 — ptsPDF
Q69 Mechanosensitive Ion Channels, OSCA vs Piezo1 Cell Signaling & CommunicationMedium IBO·2022·Q69 — ptsPDF
Q70 Land Plant Phylogeny and Shared Derived Characters History of Life: Origin & Major TransitionsMedium IBO·2022·Q70 — ptsPDF
Q71 Hippo Pathway Signaling in Blastocyst Implantation Cell Signaling & CommunicationHard IBO·2022·Q71 — ptsPDF
Q72 Mechanisms of Synaptic Specificity Nervous System PhysiologyEasy IBO·2022·Q72 — ptsPDF
Q73 PD-1 Immune Checkpoint Signaling Immune PhysiologyEasy IBO·2022·Q73 — ptsPDF
Q74 Pathophysiology of Traumatic Brain Injury Nervous System PhysiologyMedium IBO·2022·Q74 — ptsPDF
Q75 Plasma Enzyme Diagnostics After Myocardial Infarction Cardiovascular PhysiologyMedium IBO·2022·Q75 — ptsPDF
Q76 Insulin and Glucagon Dynamics in Type 2 Diabetes Endocrine System PhysiologyMedium IBO·2022·Q76 — ptsPDF
Q77 Mitochondrial Calcium Handling in Synaptic Plasticity and Aging Nervous System PhysiologyHard IBO·2022·Q77 — ptsPDF
Q78 Cellular Response to DNA Damage in Cancer DNA Repair & RecombinationMedium IBO·2022·Q78 — ptsPDF
Q79 Primary vs Secondary Antibody Response Immune PhysiologyMedium IBO·2022·Q79 — ptsPDF
Q80 Dopamine and GABA Neuron Activity in Stress-Induced Anhedonia Nervous System PhysiologyMedium IBO·2022·Q80 — ptsPDF
Q81 Blue Light, Melanopsin and the Circadian Phase-Shift Response Biological RhythmsMedium IBO·2022·Q81 — ptsPDF
Q82 Experimental Design Limits, Herbal Treatment and Statin Co-Therapy Cardiovascular PhysiologyMedium IBO·2022·Q82 — ptsPDF
Q83 Gut Microbiome and Lifespan in Drosophila EcologyHard IBO·2022·Q83 — ptsPDF
Q84 Dietary Fat, Sucrose and Cardiac Hypertrophy in Hypertensive Rats Cardiovascular PhysiologyHard IBO·2022·Q84 — ptsPDF
Q85 The methuselah Mutation and Stress Resistance in Drosophila Comparative ThermoregulationMedium IBO·2022·Q85 — ptsPDF
Q86 Giant Panda Fecal-Smearing Behavior and the TRPM8 Cold Receptor Mechanisms of BehaviorMedium IBO·2022·Q86 — ptsPDF
Q87 Rearing Environment and Social Bonds in Ravens Development & LearningMedium IBO·2022·Q87 — ptsPDF
Q88 Free Choice vs Random Union, Assortative Mating in Pigeons Mating Systems & Sexual SelectionMedium IBO·2022·Q88 — ptsPDF
Q89 Amplexus and Sperm Competition in Newts Mating Systems & Sexual SelectionEasy IBO·2022·Q89 — ptsPDF
Q90 Cannibalism and Larval-Stage Duration in Invasive Cane Toads Foraging & Anti-Predator BehaviorMedium IBO·2022·Q90 — ptsPDF
Q91 Song Recognition Between Island Populations of Tree Finches Animal CommunicationMedium IBO·2022·Q91 — ptsPDF
Q92 Hawk-Dove-Retaliator Game Theory and Evolutionarily Stable Strategies Aggression, Territoriality & Social StructureHard IBO·2022·Q92 — ptsPDF
Q93 Worker Sterility and Kin Selection in Social Insects Kin Selection, Altruism & EusocialityMedium IBO·2022·Q93 — ptsPDF
Q94 Canine Pedigree Analysis of a Monogenic Disease Pedigree Analysis & Human Genetic DisordersMedium IBO·2022·Q94 — ptsPDF
Q95 Hardy-Weinberg Calculations for Familial Mediterranean Fever Population Genetics & Hardy-Weinberg EquilibriumHard IBO·2022·Q95 — ptsPDF
Q96 Transcriptome-Based Drug Repurposing, Infliximab Across Four Diseases Immune PhysiologyHard IBO·2022·Q96 — ptsPDF
Q97 Telomerase-Dependent vs Alternative Telomere Lengthening in Testis DNA Structure & ReplicationHard IBO·2022·Q97 — ptsPDF
Q98 Grape Domestication and Phylogeography from SNP Data Genetic Drift, Gene Flow & MutationMedium IBO·2022·Q98 — ptsPDF
Q99 Competitive Displacement Between Two Hare Species in Newfoundland Foraging & Anti-Predator BehaviorMedium IBO·2022·Q99 — ptsPDF
Q100 Cold-Exposure Duration, Acclimation and Mollusc Survival Comparative ThermoregulationMedium IBO·2022·Q100 — ptsPDF