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    - Acids & Bases 53
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  - Organic Chemistry
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  - Analytical Chemistry
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  - Environmental Chemistry
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  - Industrial Chemistry
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    - Food Chemistry 9
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    - Industrial Metallurgy 6
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  - Nuclear Chemistry
    - Chemistry Radioactivity 7
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  - Polymer Chemistry
    - Polymerization 5
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  - Theoretical Chemistry
    - Quantum Chemistry 5
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    - Computational Chemistry 5
    - Statistical Mechanics 5
    - Chemical Thermodynamics 47
    - Reaction Dynamics 81
    - Electronic Structure 100
    - Molecular Dynamics 19
    - Spectroscopy Theory 5
  - Medicinal Chemistry
    - Drug Design 4
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    - Drug Metabolism 5
    - Enzyme Inhibition 5
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    - Structure Activity 5
    - Prodrugs 5
    - Natural Products 5
    - Peptidomimetics 5
  - Green Chemistry
    - Sustainable Design 4
    - Renewable Resources 4
    - Waste Prevention 5
    - Energy Efficiency 5
    - Catalysis 4
    - Biodegradable Materials 5
    - Green Synthesis 5
    - Solvent Reduction 5
    - Atom Economy 5
    - Life Cycle Analysis 5
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  - Materials Chemistry
    - Crystal Structure 6
    - Band Theory 5
    - Materials Polymers 4
    - Ceramics 5
    - Composites 8
    - Nanomaterials 7
    - Biomaterials 5
    - Corrosion 5
    - Alloys 6
    - Superconductors 5
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    - Magnetic Materials 5
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- Biology
  - Cell Biology
    - Cell Theory 12
    - Prokaryotic Cells 6
    - Eukaryotic Cells 5
    - Cell Organelles 11
    - Cell Membrane 25
    - Cell Wall 5
    - Cytoplasm 7
    - Nucleus 5
    - Mitochondria 5
    - Chloroplasts 5
    - Ribosomes 5
    - Endoplasmic Reticulum 5
    - Golgi Apparatus 5
    - Lysosomes 5
    - Cytoskeleton 5
    - Cell Division 32
    - Cell Cycle 18
    - Transport Mechanisms 28
    - Cell Communication 5
  - Genetics
    - DNA Structure 5
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    - Gene Expression 8
    - Biological Genetic Code 5
    - DNA Replication 5
    - Transcription 5
    - Translation 5
    - Mutation 4
    - Mendelian Inheritance 5
    - Non Mendelian Inheritance 5
    - Genetic Disorders 7
    - Genetic Mapping 5
    - Genetic Engineering 5
    - Genomics 5
    - Epigenetics 5
  - Evolution
    - Origin of Life 9
    - Theories of Evolution 5
    - Natural Selection 6
    - Variation 5
    - Adaptation 5
    - Speciation 5
    - Fossil Record 5
    - Comparative Anatomy 12
    - Molecular Evidence 8
    - Human Evolution 5
    - Coevolution 5
    - Extinction 5
  - Ecology
    - Ecosystem 36
    - Biomes 25
    - Population Ecology 12
    - Community Ecology 5
    - Food Chains 16
    - Food Webs 5
    - Ecological Energy Flow 5
    - Nutrient Cycles 13
    - Biodiversity 28
    - Ecological Conservation 47
    - Habitat 5
    - Succession 5
    - Ecological Adaptation 11
    - Human Impact 5
    - Ecological Climate Change 5
  - Human Anatomy & Physiology
    - Skeletal System 116
    - Muscular System 69
    - Nervous System 124
    - Endocrine System 78
    - Circulatory System 90
    - Respiratory System 44
    - Digestive System 46
    - Excretory System 10
    - Reproductive System 120
    - Immune System 11
    - Integumentary System 21
    - Sensory Organs 56
  - Botany Plant Biology
    - Plant Anatomy 38
    - Plant Morphology 5
    - Plant Physiology 69
    - Photosynthesis 53
    - Plant Reproduction 22
    - Plant Growth 5
    - Plant Hormones 5
    - Plant Taxonomy 43
    - Plant Ecology 19
    - Plant Pathology 6
    - Economic Botany 5
    - Seed Biology 5
    - Plant Genetics 6
    - Plant Adaptations 5
  - Zoology Animal Biology
    - Classification 38
    - Porifera 6
    - Cnidaria 6
    - Platyhelminthes 5
    - Nematoda 6
    - Annelida 7
    - Arthropoda 12
    - Mollusca 5
    - Echinodermata 6
    - Chordata 5
    - Fish 76
    - Amphibians 10
    - Reptiles 14
    - Birds 5
    - Mammals 106
    - Anatomy 16
    - Physiology 32
    - Reproduction 26
    - Development 6
    - Behavior 63
  - Microbiology
    - Microbial Structure 5
    - Bacteriology 33
    - Virology 34
    - Mycology 16
    - Parasitology 59
    - Microbial Genetics 5
    - Microbial Physiology 5
    - Microbial Ecology 11
    - Pathogenic Microbiology 18
    - Microbial Biotechnology 5
    - Food Microbiology 5
    - Industrial Microbiology 5
    - Environmental Microbiology 10
  - Biotechnology
    - Bio Genetic Engineering 5
    - Recombinant DNA 5
    - Cloning 5
    - PCR 5
    - Gel Electrophoresis 5
    - DNA Sequencing 5
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    - CRISPR 5
    - Stem Cells 5
    - Bioreactors 5
    - Fermentation 5
    - Bioinformatics 6
    - GMOs 5
    - Proteomics 5
    - Metabolomics 5
  - Molecular Biology
    - Biological Biomolecules 8
    - Carbohydrates 6
    - Biochemical Lipids 9
    - Bio Proteins 5
    - Bio Enzymes 21
    - Bio Nucleic Acids 5
    - Biochemical Vitamins 5
    - Bio Minerals 6
    - Bio Metabolism 60
    - Cellular Respiration 22
    - Nitrogen Metabolism 5
    - Bio Hormones 32
    - Signal Transduction 5
  - Immunology
    - Innate Immunity 5
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    - Antigens 6
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    - B Cells 5
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    - Immune Response 3
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  - Developmental Biology
    - Gametogenesis 5
    - Fertilization 9
    - Cleavage 6
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    - Metamorphosis 6
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- Earth & Space Science
  - Geology
    - Minerals 32
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    - Geological Rock Cycle 17
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Exams & Certifications

12th Grade Biology Quizzes, Questions & Answers

Recent Biology Quizzes

Homeostasis Practice Quiz 2

Questions: 15 | Attempts: 2004 | Last updated: Mar 21, 2025

Sample Question
Which of the following thermoregulatory responses would be considered a strictly behavioural response (not physiological)?

Shivering on a cold day

Sweating on a hot day

Hibernation of some mammals

Vasodilation of skin capillaries

Basking by some reptiles

Human Biology Exam Quiz!

Questions: 49 | Attempts: 233 | Last updated: Oct 11, 2025

Sample Question
In a cell undergoing cellular reproduction which of the following stages have no chromatids?

Prophase

Anaphase

Metaphase

Telophase

ACE The Biology Eoc Practice Test With This Must-try Quiz Now!

Questions: 15 | Attempts: 28763 | Last updated: Jul 21, 2025

Sample Question
The algae at the beginning of the food chain in the figure are

Consumer

Decomposer

Producers

Consumers (your response) heterotrophs

Fundamentals Of The Nervous System

Questions: 56 | Attempts: 260 | Last updated: Mar 20, 2025

Sample Question
Which one is not a function of the nervous system?

Sensory Input

Sensory division

Motor Output

Interperets changes, integrates, and makes decisions

GCSE Aqa Biology Test: Homeostasis! Trivia Quiz

Questions: 10 | Attempts: 7971 | Last updated: Jul 22, 2025

Sample Question
What two things from the list below need to be controlled by homeostasis?

Carbon Dioxide

Toenail Length

Water

Hyperactivity

Eye Colour

Exam 2 Food and Nutrition

Questions: 50 | Attempts: 142 | Last updated: Mar 19, 2025

Sample Question
Amount of calories in a low fat vs full fat product

Low fat has less sugar

It's going to be the same

Full fat has more calories than low fat

Biology Quiz

Questions: 10 | Attempts: 3128 | Last updated: Apr 3, 2025

Sample Question
What is the basic unit of life?

Atom

Molecule

Cell

Virus

IB Biology Practice Questions Test! Quiz

Questions: 10 | Attempts: 15346 | Last updated: Mar 22, 2025

Sample Question
What is one role of the element phosphorus?

It forms part of the structure of amino acids.

It forms part of the structure of fatty acids.

It forms part of the structure of ribose.

It forms part of the structure of nucleotides.

The Feed-fast Cycle Quiz! Trivia

Questions: 17 | Attempts: 1886 | Last updated: Mar 22, 2025

Sample Question
The high ______ ratio increases the concentration of fructose 2,6-bisphosphate to ____ glycolysis in the well-fed state.

Glucagon/insulin, activate

Glucagon/insulin, inactivate

Insulin/glucagon, activate

Insulin/glucagon, inactivate

Water and Fat Soluble Vitamin Quiz

Questions: 7 | Attempts: 2801 | Last updated: Apr 22, 2025

Sample Question
WHICH VITAMIN IS A COENZYME REQUIRED FOR OXIDATION OF CARBOHYDRATES AND RIBOSE SYNTHESIS?

RIBOFLAVIN (B2)

THIAMINE (B1)

PANTOTHENIC ACID (B5)

CYANOCOBALAMIN (B12)

FOLIC ACID

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