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- Chemistry
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  - Organic Chemistry
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  - Nuclear Chemistry
    - Chemistry Radioactivity 7
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  - Polymer Chemistry
    - Polymerization 5
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  - Theoretical Chemistry
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    - Reaction Dynamics 81
    - Electronic Structure 100
    - Molecular Dynamics 19
    - Spectroscopy Theory 5
  - Medicinal Chemistry
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    - Enzyme Inhibition 5
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    - Natural Products 5
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  - 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
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  - Materials Chemistry
    - Crystal Structure 6
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    - Composites 8
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- Biology
  - Cell Biology
    - Cell Theory 12
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    - Cell Organelles 11
    - Cell Membrane 25
    - Cell Wall 5
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    - Nucleus 5
    - Mitochondria 5
    - Chloroplasts 5
    - Ribosomes 5
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    - Cell Division 32
    - Cell Cycle 18
    - Transport Mechanisms 28
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  - Genetics
    - DNA Structure 5
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    - DNA Replication 5
    - Transcription 5
    - Translation 5
    - Mutation 4
    - Mendelian Inheritance 5
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    - Genetic Disorders 7
    - Genetic Mapping 5
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    - 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 117
    - Muscular System 70
    - Nervous System 124
    - Endocrine System 78
    - Circulatory System 90
    - Respiratory System 44
    - Digestive System 47
    - 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 68
    - 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
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  - 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 2
    - Physiology 27
    - 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
    - Gene Therapy 5
    - 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
    - Adaptive Immunity 5
    - Antigens 6
    - Antibodies 4
    - Lymphatic System 7
    - B Cells 5
    - T Cells 5
    - Immune Response 3
    - Cytokines 5
    - Vaccination 6
    - Immunodeficiency 5
    - Hypersensitivity 5
    - Autoimmunity 5
    - Transplant Immunology 5
    - Tumor Immunology 5
  - Developmental Biology
    - Gametogenesis 5
    - Fertilization 9
    - Cleavage 6
    - Gastrulation 5
    - Organogenesis 5
    - Metamorphosis 6
    - Regeneration 5
    - Growth 4
    - Aging 5
- Earth & Space Science
  - Geology
    - Minerals 32
    - Rocks 27
    - Geological Rock Cycle 17
    - Plate Tectonics 43
    - Geological Volcanoes 25
    - Geological Earthquakes 5
    - Weathering 16
    - Erosion 11
    - Soil 5
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    - Geomorphology 12
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  - Meteorology
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    - Air Pressure 5
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    - Metrological Tornadoes 5
    - Weather Forecasting 5
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  - Oceanography
    - Ocean Basins 5
    - Waves 5
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    - Currents 5
    - Marine Life 47
    - Coral Reefs 5
    - Seafloor Spreading 5
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  - Environmental Geoscience
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    - Natural Hazards 8
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    - Renewable Energy 1
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  - Paleontology
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  - Climate Science
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  - Natural Disasters
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Exams & Certifications

12th Grade Biology Quizzes, Questions & Answers

Recent Biology Quizzes

Biology Leaving CERT Quiz Questions and Answers

Questions: 15 | Attempts: 14280 | Last updated: Feb 8, 2025

Sample Question
What is a prokaryotic cell?

A cell with a nucleus

A cell with mitochondria and ribosomes

A cell without a nucleus

A cell only present in animals

Biology Quizzes Exam 2

Questions: 28 | Attempts: 344 | Last updated: Mar 20, 2025

Sample Question
What defines the element to which a particular atom belongs?

The number of neutrons in the nucleus.

The number of protons in the nucleus.

The number of electrons orbiting around the nucleus.

The number of protons plus the number of neutrons in the nucleus

The number of protons plus the number of electrons plus the number of electrons.

Chapter 5: The Peripheral Nervous System (Grivas)

Questions: 10 | Attempts: 184 | Last updated: May 22, 2025

Sample Question
A mosquito lands on your arm. You move your hand to swat it. Your sensation and your response are the result of ______ activity.

Adrenal gland

Autonomic nervous system

Somatic nervous system

Parasympathetic nervous system

Biology GCSE Unit 1.1 Revision

Questions: 37 | Attempts: 212 | Last updated: Mar 21, 2025

Sample Question
What is the order of biological classification?

Kingdom, Phylum, Class, Family, Order, Genus, Species

Kingdom, Phylum, Class, Order, Family, Genus, Species

Kingdom, Phylum, Class, Order, Family, Species, Genus

Overview Of The Autonomic Nervous System Quiz

Questions: 40 | Attempts: 789 | Last updated: Aug 22, 2025

Sample Question
The term general senses refers to sensitivity to all of the following, EXCEPT

Taste

Pain

Temperature

Touch

Vibration

Biology and Epidemiology Test Quiz!

Questions: 26 | Attempts: 179 | Last updated: Mar 20, 2025

Sample Question
The SENSITIVITY of a test is the percentage of all patients with disease present who have a positive test. Which of the following formula represents SENSITIVITY?

True Negatives / (True Negatives and False Positives)

(True Positives + True Negatives) / Total number of patients

True Negatives / (True Negatives and False Negatives)

True Positives / (True Positives + False Negatives)

True Positives / (True Positives and False Positives)

Test Your Neuroscience Know-how

Questions: 10 | Attempts: 21508 | Last updated: Apr 13, 2025

Sample Question
To the closest pound, how heavy is the average adult brain?

Three pounds

Two pounds

One pound

Food and Nutrition 3rd Edition - Chapter 37 Testbank

Questions: 11 | Attempts: 129 | Last updated: Apr 16, 2025

Sample Question
_______________ and _____________ are thought to play a significant role in susceptibility to cancer but carcinogens such as _____________ and _____________ are also thought to be involved.

Environment, bacteria and viruses, diet and tobacco

Environment, genetics, burnt toast and caffeine

Genetics, phytochemicals, caffeine and antioxidants

Genetics, environment, fruit and vegetables

Genetics, environment, tobacco and diet

Food and Nutrition 3rd Edition - Chapter 36 Testbank

Questions: 11 | Attempts: 85 | Last updated: Oct 8, 2025

Sample Question
An example of an aberrant or idiosyncratic response of the immune system would include:

Cardiovascular disease

Marasmus

Osteoarthritis

An allergy

None of the above

Food and Nutrition 3rd Edition - Chapter 27 Testbank

Questions: 10 | Attempts: 64 | Last updated: Jun 22, 2025

Sample Question
Making nutritional recommendations for the aged is difficult particularly due to:

Social age differences

Biological heterogeneity

Apoptosis

Chronological age differences

Interpretation of biochemical measurements 2nd & 3rd trimesters

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