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- Chemistry
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  - Polymer Chemistry
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  - Theoretical Chemistry
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    - Reaction Dynamics 81
    - Electronic Structure 100
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    - Spectroscopy Theory 5
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  - Green Chemistry
    - Sustainable Design 4
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    - Catalysis 4
    - Biodegradable Materials 5
    - Green Synthesis 5
    - Solvent Reduction 5
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  - Materials Chemistry
    - Crystal Structure 6
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    - Ceramics 5
    - Composites 8
    - Nanomaterials 6
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- Biology
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  - Genetics
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  - Evolution
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    - 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
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    - Extinction 5
  - Ecology
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    - Biomes 25
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    - Food Chains 16
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    - Ecological Energy Flow 5
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    - Biodiversity 28
    - Ecological Conservation 47
    - Habitat 5
    - Succession 5
    - Ecological Adaptation 11
    - Human Impact 5
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  - 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
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    - 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
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    - 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
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    - Microbial Ecology 11
    - Pathogenic Microbiology 18
    - Microbial Biotechnology 5
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    - Industrial Microbiology 5
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  - Biotechnology
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    - Recombinant DNA 5
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    - Stem Cells 5
    - Bioreactors 5
    - Fermentation 5
    - Bioinformatics 6
    - GMOs 5
    - Proteomics 5
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  - 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
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  - Immunology
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    - Antigens 6
    - Antibodies 4
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    - Immune Response 3
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  - Developmental Biology
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    - Fertilization 9
    - Cleavage 6
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    - 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
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    - Soil 5
    - Fossils 5
    - Geological Time 6
    - Geomorphology 12
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    - Ocean Basins 5
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    - Marine Life 47
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  - Environmental Geoscience
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    - Renewable Energy 1
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Biology Quizzes, Questions & Answers

Recent Biology Quizzes

Wine 11 (Test 1-3)

Questions: 42 | Attempts: 173 | Last updated: Mar 20, 2025

Sample Question
It is believed that wine was invented about 1000 years ago.

True

False

Take This Quiz To Test Your Biology Knowledge

Questions: 10 | Attempts: 461 | Last updated: Sep 10, 2025

Sample Question
What is CHONPS?

Carbon, hydrogen, oxegen, nitrogen, phospherous, and sulfer

Hydrogen, sulfer, and oxegen

Sulfer, oxegen, carbon, and nitrogen

Oxegen, sulfer, and carbon

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Questions: 22 | Attempts: 132 | Last updated: May 8, 2025

Sample Question
If you see the symbol of a skull and crossbones on a bottle in a laboratory experiment, you are being advised that you are

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Working with chemicals that could be hazardous

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Sample Question
In a positive feedback system, the response enhances or intensifies the original stimulus.

True

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Which branch of biology deals with the study of insects?

Ornithology

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Sample Question
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Changes of a human being from conception to adulthood

Research of cells and their function

Study of muscle and tissue in a human body

Anatomy which does not require the use of a microscope

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Sample Question
Preformed vitamin a found in animal derived foods

Retinol

Beta carotene

Bioflavinoid

Antioxidant

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Sample Question
What structure connects the cell to the underlying extracellular matrix?

Hernidesmosorne

Desmosome

Gap junction

Paciniar corpuscle

Merckel Corpuscles

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