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International Baccalaureate IB Biology (HL) Past Papers

International Baccalaureate IB Biology Past Papers Higher Level (HL)

ib biology past papers higher level

International baccalaureate (IB) is an International Non-profit Organization, which offers Four high-quality International education Programmes (Primary Years, Middle Years, Diploma, & Career-related) to students from age of 3 to 19 in more than 146 countries. It’s formally known as International baccalaureate Organization (IBO).

IB Diploma Programme’s aim is to develop high school students who have excellent breadth & depth of knowledge – and who flourish physically, Intellectually, Emotionally & Ethically. IB Diploma has 6 groups to choose the subjects; Group 1: Studies in Language & Literature Group 2: Language Acquisition Group 3: Individuals & Societies Group 4: Sciences Group 5: Mathematics Group 6: Arts

International baccalaureate (IB) Biology Subject comes in Science group of IB Diploma Programme after 10th or secondary education. Here, High school or IB Students will get all the guidance, Notes and the Past papers of IB Biology HL, that will help you to understand about the level of this test and to achieve High score in Exam.

 
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IB BIOLOGY HL PAST PAPERS QUESTIONS

We are providing the Past year papers Questions & Solutions of International Baccalaureate (IB) Biology Higher Level (HL). You could increase your concept up to the high level if you will be able to solve all previous questions. Good Luck!

 
IB BIOLOGY PAST PAPERS HIGHER LEVEL (HL) QUESTIONS
 
Year Exam Type Problems Solutions
IB Biology Past Papers HL (2016-2020) 
2020 (Nov.) HL (P1) Q1-Q40 (unicellular eukaryotic, endosymbiotic theory, membrane, metastatic cancer, genome, PCR, human diet, pedigree chart, blood group, STRs of DNA, Turner syndrome karyogram, chi-squared test, marine life, phytoplankton, phylum, cladogram, small intestine, epinephrine, phagocytic WBC, spirometer, drug testing, Membrane potential, proteome, tRNA, sulfanilamide & PABA, thylakoid, Krebs cycle, stomata, auxin, short-day plant, silky birds, triploidy, hybridoma cell, calcium ions, seminiferous tubule, hormones in the rat)
    Questions Answers
  HL (P2) Q1-Q8 (White clover (Trifolium repens) HCN, membranes, neurons, mitochondrion, ecosystems, Dachshunds genes, Proteins, Water, species)
    Questions Answers
  HL (P3) Q1-Q3 (stomatal density, blood vessels, Chlorella algae)
Q4-Q9 (Neurobiology and behaviour)
Q10-Q14 (Biotechnology and bioinformatics)
Q15-Q19 (Ecology and conservation)
Q20-Q24 (Human physiology)
    Questions Answers
2019 (Nov.) HL (P1) Q1-Q40 (Objective)
    Questions Answers
  HL (P2) Q1-Q8 (black-legged tick (Ixodes scapularis) & White-footed mice (Peromyscus leucopus), Drosophila, cladogram, amphipathic phospholipids & photosynthesis, skeletal muscle, eukaryotic, blood groups, ecosystem)
    Questions Answers
  HL (P3) Q1-Q3 (mesocosms, tomato plant (Solanum lycopersicum), zucchini (Cucurbita pepo))
Q4-Q8 (Neurobiology and behaviour)
Q9-Q13 (Biotechnology and bioinformatics)
Q14-Q18 (Ecology and conservation)
Q19-Q23 (Human physiology)
    Questions Answers
2019 (May) HL (P1) Q1-Q40 Z1 (MCQs)
    Questions Answers
    Q1-Q40 Z2 (MCQs)
    Questions Answers
  HL (P2) Q1-Q7 Z1 (Ebola virus disease (EVD), chromosomes of prokaryotes and eukaryotes, prokaryote and a mitochondrion, barley stem vascular bundle, mammalian hear, DNA replication)
    Questions Answers
    Q1-Q8 Z2 (lima bean plants (Phaseolus lunatus) defence system, mitosis, tumour, DNA methylation, blood pressure, reproductive hormones, Phylum, biomass, ADH (antidiuretic hormone), DNA & RNA, sickle cell anemia, Calvin’s experiment)
    Questions Answers
  HL (P3) Q1-Q3 Z1 (Lipase, leafy shoot connected to potometer, blood circulation experiment (william harvey))
Q4-Q8 (Neurobiology and behaviour)
Q9-Q13 (Biotechnology and bioinformatics)
Q14-Q19 (Ecology and conservation)
Q20-Q24 (Human physiology)
    Questions Answers
    Q1-Q3 Z2 (Thunbergia grandiflora plant, hypoxia, carbon emissions)
Q4-Q8 (Neurobiology and behaviour)
Q9-Q13 (Biotechnology and bioinformatics)
Q14-Q18 (Ecology and conservation)
Q19-Q23 (Human physiology)
    Questions Answers
2018 (Nov.) HL (P1) Q1-Q40
    Questions Answers
  HL (P2) Q1-Q8 (Tobacco smoke lung tumours, polypeptide, hydrolysis reactions in small intestine, structure of genes & short tandem repeats, Boreal forests, kidney, aerobic cell respiration, human respiratory system, red-green colour blindness, evolution, shoot apex, polyploidy)
    Questions Answers
  HL (P3) Q1-Q3 (Measurements of lung capacity using spirometer, dicotyledonous plant, Pelargonium plant)
Q4-Q8 (Neurobiology and behaviour)
Q9-Q12 (Biotechnology and bioinformatics)
Q13-Q17 (Ecology and conservation)
Q18-Q21 (Human physiology)
    Questions Answers
2018 (May) HL (P1) Q1-Q40 Z1 (MCQs)
    Questions Answers
    Q1-Q40 Z2 (MCQs)
    Questions Answers
  HL (P2) Q1-Q8 Z1 (White-nose syndrome (WNS), mammals, land snail Cepaea nemoralis, Sickle cell anemia, DNA codes of polypeptides, cell in onion root tip, mosaic model, hydrogen bonding for living organisms, transport of organic compounds, spermatogenesis, muscle contraction)
    Questions Answers
    Q1-Q11 Z2 (Arabidopsis, DNA, plant cell of Lilium grandiflorum during meiosis, alpha amylase, cell surface membrane, living organisms, aerobic respiration, antibodies)
    Questions Answers
  HL (P3) Q1-Q3 Z1 (scorpion venom, exercise on a treadmill (ventilation rate and tidal volume), bubble potometer or mass potometer)
Q4-Q8 (Neurobiology and behaviour)
Q9-Q13 (Biotechnology and bioinformatics)
Q14-Q18 (Ecology and conservation)
Q19-Q22 (Human physiology)
    Questions Answers
    Q1-Q3 Z2 (White sage (Salvia apiana), Egg white or albumin solutions, transpiration rate in Chinese privet (Ligustrum sinense))
Q4-Q8 (Neurobiology and behaviour)
Q9-Q13 (Biotechnology and bioinformatics)
Q14-Q18 (Ecology and conservation)
Q19-Q23 (Human physiology)
    Questions Answers
2017 (Nov.) HL (P1) Q1-Q40 (MCQs)
    Questions Answers
  HL (P2) Q1-Q8 (Hypoxia, transmission electron micrograph (TEM) of rotavirus particles, Antidiuretic hormone (ADH) in osmoregulation, Dryopteris arguta, Chromosomal crossover or crossing over, Chromosomal crossover, spermatogenesis and oogenesis, Nitrogen in living organisms, peat formation)
    Questions Answers
  HL (P3) Q1-Q3 (photosynthetic pigments Rf values by TLC, pollution effect on spermatogenesis, Hershey and Chase experiment (DNA))
Q4-Q8 (Neurobiology and behaviour)
Q9-Q13 (Biotechnology and bioinformatics)
Q14-Q18 (Ecology and conservation)
Q19-Q23 (Human physiology)
    Questions Answers
2017 (May) HL (P1) Q1-Q12 Z1 (MCQs)
    Questions Answers
    Q1-Q11 Z2 (MCQs)
    Questions Answers
  HL (P2) Q1-Q7 Z1 (Chinese soft-shelled turtle (Pelodiscus sinensis) urea, Nucleosomes, Pasteur’s experiment, microorganisms decompose organic matter (co2 released), aerobic cell respiration, immunoglobulins (antibody), antibiotics, muscle contractions, genes and chromosomes, homologous structures)
    Questions Answers
    Q1-Q8 Z2 (Auxin, competitive inhibitor, osmolarity, red blood cell, food web, Mutations, production of antibodies, seminiferous tubules in spermatogenesis, menstrual cycle, gene expression in eukaryotes)
    Questions Answers
  HL (P3) Q1-Q3 Z1 (athletes lung capacity (FVC & FEV), Homalothecium sericeum, chlorophyll concentration)
Q4-Q7 (Neurobiology and behaviour)
Q8-Q12 (Biotechnology and bioinformatics)
Q13-Q17 (Ecology and conservation)
Q18-Q22 (Human physiology)
    Questions Answers
    Q1-Q3 Z1 (larval stage of fly (eurosta solidaginis), Leptin hormone, plant cutting via a plastic tube experiment)
Q4-Q8 (Neurobiology and behaviour)
Q9-Q13 (Biotechnology and bioinformatics)
Q14-Q17 (Ecology and conservation)
Q18-Q22 (Human physiology)
    Questions Answers
2016 (Nov.) HL (P1) Q1-Q40 (MCQs)
    Questions Answers
  HL (P2) Q1-Q8 (Coral reefs, electron micrograph of small intestine, anabolism or catabolism, gene pool, pedigree chart of hypophosphatemia, human circulatory system, Angiospermophyta, ecosystems)
    Questions Answers
  HL (P3) Q1-Q3 (fish protein hydrolysis (FPH), micrograph of human body organ, potato plants (Solanum tuberosum))
Q4-Q8 (Neurobiology and behaviour)
Q9-Q13 (Biotechnology and bioinformatics)
Q14-Q18 (Ecology and conservation)
Q19-Q23 (Human physiology)
    Questions Answers
2016 (May) HL (P1) Q1-Q40 Z0 (MCQs)
    Questions Answers
  HL (P2) Q1-Q7 Z0 (Type I diabetes, nomogram (obesity), intestinal wall, cladogram, Mitochondria, prokaryote DNA replication, genetic diseases, structure of nephron, eukaryotic plant cell, transpiration)
    Questions Answers
  HL (P3) Q1-Q3 Z0 (Increasing carbon dioxide concentration, aphid stylets in plant tissue, juvenile shoots and mature shoots)
Q4-Q8 (Neurobiology and behaviour)
Q9-Q13 (Biotechnology and bioinformatics)
Q14-Q18 (Ecology and conservation)
Q19-Q22 (Human physiology)
    Questions Answers

Year Exam Type Problems Solutions
IB Biology Past Papers HL (2011-2015) 
2015 (Nov.) HL (P1) Q1-Q40 (MCQs)
    Questions Answers
  HL (P2) Q1-Q8 (Sockeye salmon (Oncorhynchus nerka), root of an onion (Allium cepa), X-ray of a human elbow, calcium in muscle contraction, aerobic respiration, pea plant (Pisum sativum), mature human egg, evolution, axon of a neuron, endocytosis, transpiration in terrestrial plants, water to living organisms, nephron)
    Questions Answers
  HL (P3) Q1-Q3 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Microbes and biotechnology)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
2015 (May) HL (P1) Q1-Q40 Z1 (MCQs)
    Questions Answers
    Q1-Q40 Z2 (MCQs)
    Questions Answers
  HL (P2) Q1-Q7 Z1 (Diabetes (β cell), milk consumption (lactose), plant of Solanum genus, male reproductive system, DNA replication in prokaryotes, skeletal muscle contracts, light-dependent reactions) 
    Questions Answers
    Q1-Q8 Z2 (Global warming (Antarctica & Arctic ocean), paternity of child, cell theory, DNA replication, linked genes, nucleosomes, spermatogenesis, human heart, nephron, chemiosmosis, genetically modified crop, cell cycle)
    Questions Answers
  HL (P3) Q1-Q3 Z1 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Microbes and biotechnology)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
  HL (P3) Q1-Q3 Z2 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Microbes and biotechnology)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
2014 (Nov.) HL (P1) Q1-Q40 (MCQs)
    Questions Answers
  HL (P2) Q1-Q8 (Hypertension (blood pressure exceeding), animal cell, enhanced greenhouse effect, heart, proteins, photosynthesis, mitosis, ABO blood groups, therapeutic cloning, male reproductive system, vitro fertilization (IVF), placenta)
    Questions Answers
  HL (P3) Q1-Q3 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Microbes and biotechnology)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
2014 (May) HL (P1) Q1-Q13 Z1 (MCQs)
    Questions Answers
    Q1-Q14 Z2 (MCQs)
    Questions Answers
  HL (P2) Q1-Q8 Z1 (proteasome inhibitor, protein synthesis, mammalian testis, Phenotypic ratio (plant), motor neuron, heart beats, DNA profiling, genetically modified organism (GMO), kidney, type II diabetes, type I diabetes, carbon cycle, photosynthesis, anaerobic and aerobic respiration)
    Questions Answers
    Q1-Q14 Z2 (Pinnipeds (seals), liver cell, dichotomous key, late-onsetTay-Sachs disease (neurological disorders), protein structure, lock and key model, muscle contraction, sickle-cell anemia, genetic modified organisms (GMO), amylase, blood glucose, aerobic and anaerobic respiration, metabolic processes, Krebs cycle)
    Questions Answers
  HL (P3) Q1-Q3 Z1 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Microbes and biotechnology)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
  HL (P3) Q1-Q3 Z2 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Microbes and biotechnology)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
2013 (Nov.) HL (P1) Q1-Q40 (MCQs)
    Questions Answers
  HL (P2) Q1-Q8 (Diabetes in Youth, human karyotype, food web for organisms in arctic environment, spectrum of photosynthesis, water importance for living organisms, prokaryotes (Escherichia coli), body’s immune system, Membranes, synaptic transmission, mitochondria of cells, causing sickle-cell anemia (mutation))
    Questions Answers
  HL (P3) Q1-Q3 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Microbes and biotechnology)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
2013 (May) HL (P1) Q1-Q40 Z1 (MCQs)
    Questions Answers
    Q1-Q40 Z2 (MCQs)
    Questions Answers
  HL (P2) Q1-Q8 Z1 (isoprene on photosynthesis, vesicles, synthesis amino acids, saprotroph, autotrophs and heterotrophs, dicotyledonous plant, metabolic processes, photosynthesis, blood clotting (hemophilia), evolution evidence, Mendel’s law, mitochondrion, alveoli in human lungs)
    Questions Answers
    Q1-Q13 Z2 (Obesity, soybean plants crosses (genotypes), population, active site of enzyme, prokaryotes, pyramids of energy, photosynthesis, FSH and LH in menstrual cycle, placenta)
    Questions Answers
  HL (P3) Q1-Q3 Z1 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Microbes and biotechnology)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
    Q1-Q3 Z2 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Microbes and biotechnology)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
2012 (Nov.) HL (P1) Q1-Q40 (MCQs)
    Questions Answers
  HL (P2) Q1-Q8 (synthetic surfactants (human), human elbow, greenhouse effect, nephron, autosomes and sex chromosomes, hemophilia, gametes, minerals, glycolysis, ultrastructure of a prokaryote, DNA replication, ribosome, fertilization, placenta, hormonal control)
    Questions Answers
  HL (P3) Q1-Q3 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Microbes and biotechnology)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
2012 (May) HL (P1) Q1-Q40 Z1 (MCQs)
    Questions Answers
    Q1-Q40 Z2 (MCQs)
    Questions Answers
  HL (P2) Q1-Q8 Z1 (bottlenose dolphins (Tursiops truncatus), DNA replication, heartbeat, vitro fertilization (IVF), testis, carbohydrate, hydrolysis, inhibitors, stem cells, GMO, karyotyping, greenhouse effect, photosynthesis, homeostasis, body temperature, osmoregulation)
    Questions Answers
    Q1-Q12 Z2 (calorimeter (potato chips, walnuts), Blood transports molecules, alveoli (gas exchange), capillaries, leaf, proteins in humans, muscle contracts, metabolic pathways, lactose-free milk, pollination, fertilization and seed dispersal, spermatogenesis and oogenesis, overpopulation, ADH in osmoregulation, water from roots)
    Questions Answers
  HL (P3) Q1-Q3 Z1 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Microbes and biotechnology)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
    Q1-Q3 Z2 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Microbes and biotechnology)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
2011 (Nov.) HL (P1) Q1-Q40 (MCQs)
    Questions Answers
  HL (P2) Q1-Q8 (stem cell mobilization, Type I diabetes, dicotyledonous plant’s leaf structure, genotypic and phenotypic ratios, hemophilia, carbon cycle, digestive system, lactose-free milk, kidney, semen, placenta, hormonal control of birth, chromosome, gene, allele and genome, prokaryotes and eukaryotes, DNA replication, chlorophyll, photophosphorylation (photosynthesis))
    Questions Answers
  HL (P3) Q1-Q3 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Microbes and biotechnology)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
2011 (May) HL (P1) Q1-Q40 Z1 (MCQs)
    Questions Answers
    Q1-Q40 Z2 (MCQs)
    Questions Answers
  HL (P2) Q1-Q8 Z1 (atmospheric pollution (acid rain, ozone, Populus deltoides), adult human stem cell, nucleotide (DNA replication, profiling), Triarthus (trilobite), membrane proteins, amino acids, enzyme inhibitor, mechanisms of cool the body (overheated), urine production, ventilation system (alveoli), spermatogenesis and oogenesis, genetic variation, vitro fertilization (IVF), carbon cycle, triose phosphate, germinate seed) 
    Questions Answers
    Q1-Q12 Z2 (mice energy and activity, dinucleotide, DNA (prokaryotic and eukaryotic), excretion, ultrafiltration, human kidney, food web, enzyme inhibition, photosynthesis, cell cycle, dicotyledonous and monocotyledonous plants, transpiration, Down syndrome, human skin colour, sickle-cell anemia, temperature regulation (skin), humans birth (hormones), vaccination)
    Questions Answers
  HL (P3) Q1-Q3 Z1 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Microbes and biotechnology)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
    Q1-Q3 Z2 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Microbes and biotechnology)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers

Year Exam Type Problems Solutions
IB Biology Past Papers HL (2006-2010) 
2010 (Nov.) HL (P1) Q1-Q40 (MCQs)
    Questions Answers
  HL (P2) Q1-Q7 (rice gene GID1 (Gibberellin), Campanula persicifolia, passive immunity, antibodies, pathogen, proteins functions, ribosomes, mRNA, mature sperm cell, menstrual cycle hormones, AIDS, population growth, food chain and food web, greenhouse effect, Escherichia coli, mitosis in animals, aerobic cell respiration)
    Questions Answers
  HL (P3) Q1-Q3 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Microbes and biotechnology)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
2010 (May) HL (P1) Q1-Q40 Z1 (MCQs)
    Questions Answers
    Q1-Q40 Z2 (MCQs)
    Questions Answers
  HL (P2) Q1-Q7 Z1 (aerobic cell respiration (Laternula elliptica), atmospheric CO2 concentration, Glucose and galactose (lactose), human testis, chromatids, blood plasma, glomerular filtrate and urine, dicotyledonous plant, photosynthesis and transpiration, Eukaryotic cells, exocytosis, Translation in living cells, human cell DNA, DNA profiling & nucleotides)
    Questions Answers
    Q1-Q8 Z2 (Migrating birds (refuel food), triglyceride and butyrate levels, nuclear pores (SEM), stem cells differentiation, menstrual cycle, testosterone, DNA nucleotides, water coolant, anaerobic cell respiration, sex-linked genes, gene transfer, ribosome structure, fibrous & globular proteins, phototropism (auxin), glycolysis, pancreatic cells, diabetes (urine), mature sperm, chiasmata, Down syndrome, greenhouse effect & atm CO2, Antibiotic)
    Questions Answers
  HL (P3) Q1-Q3 Z1 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Microbes and biotechnology)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
    Q1-Q3 Z2 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Microbes and biotechnology)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
2009 (Nov.) HL (P1) Q1-Q40 (MCQs)
    Questions Answers
  HL (P2) Q1-Q7 (Type II diabetes (insulin-degrading enzyme (IDE)), HIV (immunity), red squirrel (Tamiasciurus hudsonicus) genotypes, Escherichia coli ultrastructure, plasma membranes, oxidative phosphorylation (ATP), sarcomere, muscle contracts, neurons (nerve impulses), population growth (sigmoid), spermatogenesis, placenta (pregnancy), water properties, xerophytes, kidney (water balance))
    Questions Answers
  HL (P3) Q1-Q3 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Microbes and biotechnology)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
2009 (May) HL (P1) Q1-Q40 Z1 (MCQs)
    Questions Answers
    Q1-Q40 Z2 (MCQs)
    Questions Answers
  HL (P2) Q1-Q7 Z1 (Genetic engineering (Bt-maize), maize plant (genotype), angiospermophytes and bryophytes, liver cell (electron micrograph), chloroplast structure, transpiration stream, long-day & short-day plants, down syndrome, oogenesis (human ovary), IVF, RNA and DNA, enzymes catalyse , antibiotic, immunity, vaccination (benefit & dangers))
    Questions Answers
    Q1-Q7 Z2 (nephrotic syndrome (puromycin aminonucleoside (PAN)), TBArs, nucleotides, enzyme structures, polygenic inheritance, colour blindness, dicotyledonous leaf, photosynthesis, female reproductive system, progesterone and estrogen, placenta, liver cell ultra-structure, prokaryotic and eukaryotic cells, DNA replication, heart chambers, blood clotting, vaccination (benefits & risks))
    Questions Answers
  HL (P3) Q1-Q3 Z1 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Microbes and biotechnology)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
    Q1-Q3 Z2 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Microbes and biotechnology)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
2008 (Nov.) HL (P1) Q1-Q40 (MCQs)
    Questions Answers
  HL (P2) Q1-Q7 (dodder (Cuscuta pentagona), chi-squared test, tomato & wheat plants, genetic code (degenarate), inhibition, test cross, non-myelinated neuron, osmoregulation, oxidative phosphorylation, ovary structure, fertilization, eukaryotes, antibody, MMR vaccine, vaccination (benefits & dangers), ribosomes, eukaryotic cells, chloroplast structure, light-independent reactions, xerophytes & hydrophytes)
    Questions Answers
  HL (P3) Q1-Q3 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Applied Plant and Animal Science)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
2008 (May) HL (P1) Q1-Q40 Z1 (MCQs)
    Questions Answers
    Q1-Q40 Z2 (MCQs)
    Questions Answers
  HL (P2) Q1-Q7 Z1 (daily cycle of rats (Rattus norvegicus), Leptin hormone effect, body temprature & VO2, neurons, calcium ions, allele, substitution mutation, dicotyledonous plants, pollen, plasma membrane, angiosperm root system, Body water homeostasis, protein structure, inhibition, antibodies, pyramid of energy, photosynthesis, aerobic cell respiration)
    Questions Answers
    Q1-Q7 Z2 (daily cycle of rats (Rattus norvegicus), core temprature & VO2, Leptin hormone effect, meiosis, polygenic inheritance, xerophytes, nitrogenous waste product, body water balance, DNA nucleotides, plasmids, DNA replication, mitochondrion, photosynthesis and cell respiration, pyramid of energy, dicotyledonous seed, spermatogenesis and oogenesis, sexual reproduction, immune system, blood glucose levels)
    Questions Answers
  HL (P3) Q1-Q3 Z1 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Applied Plant and Animal Science)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
    Q1-Q3 Z2 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Applied Plant and Animal Science)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
2007 (Nov.) HL (P1) Q1-Q40 (MCQs)
    Questions Answers
  HL (P2) Q1-Q7 (Sweet pepper (Capsicum annuum) sodium ion concentration, Simon bamboo (Arundinaria simonii), prokaryotic and eukaryotic cells, glycolysis, GM crop, sickle cell anemia, amino acids, motor neuron, nerve impulses, blood hormones (HCG & LH), monoclonal antibodies, gametes, chi-square test (monohybrid cross), human skin color, photosynthesis spectrum, CO2 concentration on ecosystem)
    Questions Answers
  HL (P3) Q1-Q3 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Applied Plant and Animal Science)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
2007 (May) HL (P1) Q1-Q40 Z1 (MCQs)
    Questions Answers
    Q1-Q40 Z2 (MCQs)
    Questions Answers
  HL (P2) Q1-Q7 Z1 (Hummingbirds (energy & diet), DNA & RNA Structure, protein synthesis, anticodon, humans gene (APC), genetic disease (FAP), in-virto fertilisation (IVF), plasma membrane, neurone, root epidermis cells, enzymes, inhibitor, blood clotting, carbon cycle, photosynthesis, CO2 concentration in atmosphere, male reproductive system, sperm genetic diversity)
    Questions Answers
    Q1-Q7 Z2 (Duchenne Muscular Dystrophy DMD (lethal X-linked), monoclonal antibodies, random sample, evolution, polygenic inheritance, water organisms, protein structure, DNA & RNA, phospholipids, placenta, reproductive system, genetic screening, photosynthesis, mesophytic leaf, dicotyledonous seed, nephron, blood (water balance))
    Questions Answers
  HL (P3) Q1-Q3 Z1 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Applied Plant and Animal Science)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
    Q1-Q3 Z2 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Applied Plant and Animal Science)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
2006 (Nov.) HL (P1) Q1-Q40 (MCQs)
    Questions Answers
  HL (P2) Q1-Q7 (plants (chilling injuries), pathogen, active and passive immunity, antibody, grand fir, populations growth curve, mRNA, gene expression, nucleosomes structure, homeostasis, human kidney, body water (nephron), mendel’s law, spermatogenesis, genetic screening, gene transfer, mesophytic plant, xerophytic plants, evolution)
    Questions Answers
  HL (P3) Q1-Q3 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Applied Plant and Animal Science)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
2006 (May) HL (P1) Q1-Q40 Z1 (MCQs)
    Questions Answers
    Q1-Q40 Z2 (MCQs)
    Questions Answers
  HL (P2) Q1-Q7 Z1 (Killer whales (Orcinus orca), rabbits traits, ocean food web, fish population, prokaryotic and eukaryotic cells, prokaryotic pathogen, antibodies, DNA structure, polygenic inheritance, eukaryotes (transcription), photosynthesis, angiosperm seed, cellular respiration, pregnancy hormones, nervous system, homeostasis)
    Questions Answers
    Q1-Q7 Z2 (pigmy possum (Cercaertus nanus) O2 consumption, basal metabolic rate (BMR), familial hypercholesterolemia (FH), pancreatic islet cells, dicotyledonous, abiotic, photophosphorylation, mature human egg, mitosis and meiosis, meiosis and fertilization, generalized dipeptide, peptide linkage formation, homeostasis, food web, nitrogenous waste products, vaccinations (benefits & dangers))
    Questions Answers
  HL (P3) Q1-Q3 Z1 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Applied Plant and Animal Science)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
    Q1-Q3 Z2 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Applied Plant and Animal Science)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers

Year Exam Type Problems Solutions
IB Biology Past Papers HL (2001-2005) 
2005 (Nov.) HL (P1) Q1-Q40 (MCQs)
    Questions Answers
  HL (P2) Q1-Q7 (sunflower (Helianthus spp), self-pollination, human digestive system, polypeptides (mRNA), eukaryotic cell, photosynthesis, food web lose energy, mitochondrion, aerobic and anaerobic respiration, enzyme catalysis, ovary, human fertilization, AIDS, neuron, nervous system, polio)
    Questions Answers
  HL (P3) Q1-Q3 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Applied Plant and Animal Science)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
2005 (May) HL (P1) Q1-Q40 Z1 (MCQs)
    Questions Answers
    Q1-Q40 Z2 (MCQs)
    Questions Answers
  HL (P2) Q1-Q7 Z1 (sea turtles (nests), cell structure, enzymes, cytoplasm of cells, tRNA and amino acids, translation process, plants kingdom, dicotyledonous plant, roots absorb water, gene and allele, blood vessels (kidney), arteries, capillaries and veins)
    Questions Answers
    Q1-Q7 Z2 (alcohol (ethano) consumption test on rats, mitosis, endoplasmic reticulum, skin arterioles, mesophytic plant (temperature), heart (chambers, vessels, valves), human lung ventilation, water uptake (plant), plant population, bryophytes, angiospermophytes and coniferophytes, digestive enzymes, inhibition, ecosystem, carbohydrates and lipids, aerobic cellular respiration)
    Questions Answers
  HL (P3) Q1-Q3 Z1 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Applied Plant and Animal Science)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
    Q1-Q3 Z2 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Applied Plant and Animal Science)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
2004 (Nov.) HL (P1) Q1-Q40 (MCQs)
    Questions Answers
  HL (P2) Q1-Q7 (Exons (DNA sequences), Hemoglobin, chromosome, nephron (kidney ultrafiltration), active transport, synaptic transmission, mature sperm, placenta, blood glucose, bryophytes and angiospermophytes, transpiration, germination, bacterial disease, vaccination (benefits & danger), plasmids)
    Questions Answers
  HL (P3) Q1-Q3 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Applied Plant and Animal Science)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
2004 (May) HL (P1) Q1-Q40 Z1 (MCQs)
    Questions Answers
    Q1-Q40 Z2 (MCQs)
    Questions Answers
  HL (P2) Q1-Q7 Z1 (African lion (Panthera leo) trait, organelles, prokaryotic and eukaryotic cells, genetic code, Human Genome Project, reverse transcriptase, monoclonal antibodies, enzyme-substrate, inhibition, fibrous and globular proteins, DNA replication, gametes, locomotion, human elbow joint, skeletal muscle, photosynthesis, xerophytes and hydrophytes)
    Questions Answers
    Q1-Q7 Z2 (Marine iguanas (Amblyrhynchus cristatus) herbivorous lizard, Zea mays, nephron (kidney tubule), tubule cell, spermatogenesis, menstrual cycle (LH and FSH), humans cloning, DNA transcription, DNA profiling, cell theory, plasma membrane, elbow joint, photosynthesis, thylakoids, carbon cycle)
    Questions Answers
  HL (P3) Q1-Q3 Z1 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Applied Plant and Animal Science)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
    Q1-Q3 Z1 (Evolution)
Q4-Q6 (Neurobiology and behaviour)
Q7-Q9 (Applied Plant and Animal Science)
Q10-Q12 (Ecology and conservation)
Q13-Q15 (Further Human physiology)
    Questions Answers
IB Biology Past Papers HL

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