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    - Temperature 15
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    - Kinetic Theory 42
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  - Waves and Oscillations
    - Wave Motion 22
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  - Optics
    - Optics Reflection 32
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    - Electric Charge 29
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  - Modern Physics
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    - Physics Nuclear Reactions 3
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    - Atomic Models 48
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  - Astrophysics
    - Stellar Physics 3
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    - Continuity Equation 1
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  - Measurement and Units
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- Chemistry
  - Physical Chemistry
    - States of Matter 202
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    - Chemical Equilibrium 18
    - Ionic Equilibrium 50
    - Solutions 10
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    - Electrochemistry 12
    - Surface Chemistry 2
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  - Inorganic Chemistry
    - Periodic Table 231
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    - Coordination Compounds 23
    - Metallurgy 2
    - s Block Elements 1
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    - d Block Elements 2
    - f Block Elements 5
    - Hydrogen 8
    - Halogens 10
    - Noble Gases 5
    - Acids and Bases 74
    - Salt Analysis 28
  - Organic Chemistry
    - Organic Compounds Classification 28
    - Structural Isomerism 13
    - Nomenclature 83
    - Hydrocarbons 6
    - Haloalkanes 6
    - Alcohols 10
    - Aldehydes 3
    - Ketones 4
    - Carboxylic Acids 9
    - Amines 3
    - Organic Biomolecules 17
    - Organic Reactions 15
  - Analytical Chemistry
    - Qualitative Analysis 9
    - Quantitative Analysis 5
    - Titrations 3
    - Gravimetric Analysis 5
    - Chromatography 5
    - Spectrophotometry 3
    - Electroanalytical Methods 10
    - Mass Spectrometry 5
    - Thermal Analysis 2
    - Separation Techniques 24
  - Biochemistry
    - Biomolecules 7
    - Bio Carbohydrates 22
    - Proteins 31
    - Enzymes 24
    - Lipids 49
    - Nucleic Acids 8
    - Metabolism 4
    - Bioenergetics 1
    - Vitamins 35
    - Hormones 17
    - Cell Signaling 16
    - Genetic Code 4
  - Environmental Chemistry
    - Air Pollution 18
    - Water Pollution 20
    - Soil Pollution 4
    - Waste Management 54
    - Ozone Depletion 9
    - Acid Rain 8
    - Eutrophication 2
    - Toxicology 52
    - Radioactive Pollution 3
  - Industrial Chemistry
    - Petrochemicals 1
    - Cement 7
    - Glass 1
    - Fertilizers 4
    - Dyes 2
    - Paints 1
    - Pharmaceuticals 2
    - Food Chemistry 13
    - Pulp and Paper 2
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    - Detergents 6
  - Nuclear Chemistry
    - Chemistry Radioactivity 2
    - Chemistry Nuclear Reactions 2
    - Radioisotopes 8
    - Nuclear Safety 51
  - Polymer Chemistry
    - Polymerization 1
    - Addition Polymers 1
    - Condensation Polymers 1
    - Natural Polymers 1
    - Synthetic Polymers 2
    - Thermoplastics 3
    - Polymer Properties 1
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  - Theoretical Chemistry
    - Molecular Modeling 1
    - Computational Chemistry 1
    - Statistical Mechanics 12
    - Chemical Thermodynamics 13
    - Reaction Dynamics 125
    - Electronic Structure 57
    - Molecular Dynamics 18
    - Spectroscopy Theory 1
  - Medicinal Chemistry
    - Drug Design 4
    - Pharmacokinetics 42
    - Pharmacodynamics 19
    - Drug Metabolism 7
    - Enzyme Inhibition 26
    - Receptor Binding 12
    - Structure Activity 11
    - Prodrugs 5
    - Natural Products 19
    - Peptidomimetics 4
  - Green Chemistry
    - Principles 8
    - Sustainable Design 1
    - Waste Prevention 8
    - Energy Efficiency 13
    - Catalysis 1
    - Biodegradable Materials 1
    - Green Synthesis 1
    - Solvent Reduction 10
    - Atom Economy 2
    - Life Cycle Analysis 3
    - Pollution Prevention 4
  - Materials Chemistry
    - Crystal Structure 51
    - Band Theory 7
    - Materials Polymers 2
    - Ceramics 5
    - Composites 2
    - Nanomaterials 9
    - Biomaterials 3
    - Corrosion 28
    - Alloys 11
    - Superconductors 1
    - Thin Films 1
    - Magnetic Materials 4
    - Optical Materials 4
- Biology
  - Cell Biology
    - Cell Theory 100
    - Prokaryotic Cells 17
    - Eukaryotic Cells 26
    - Cell Organelles 63
    - Cell Membrane 70
    - Cell Wall 2
    - Cytoplasm 14
    - Nucleus 12
    - Mitochondria 16
    - Chloroplasts 15
    - Ribosomes 13
    - Endoplasmic Reticulum 2
    - Golgi Apparatus 15
    - Lysosomes 6
    - Cytoskeleton 12
    - Cell Division 113
    - Cell Cycle 37
    - Transport Mechanisms 93
    - Cell Communication 2
  - Genetics
    - DNA Structure 95
    - RNA Structure 38
    - Gene Expression 15
    - Biological Genetic Code 5
    - DNA Replication 36
    - Transcription 8
    - Translation 4
    - Mutation 43
    - Mendelian Inheritance 38
    - Non Mendelian Inheritance 87
    - Genetic Disorders 130
    - Genetic Mapping 3
    - Genetic Engineering 9
    - Genomics 9
    - Epigenetics 5
  - Evolution
    - Origin of Life 47
    - Theories of Evolution 13
    - Natural Selection 42
    - Variation 27
    - Adaptation 23
    - Speciation 9
    - Fossil Record 12
    - Comparative Anatomy 31
    - Molecular Evidence 44
    - Human Evolution 22
    - Coevolution 6
    - Extinction 12
  - Ecology
    - Ecosystem 53
    - Biomes 10
    - Population Ecology 30
    - Community Ecology 10
    - Food Chains 98
    - Food Webs 45
    - Ecological Energy Flow 24
    - Nutrient Cycles 57
    - Biodiversity 183
    - Ecological Conservation 95
    - Habitat 119
    - Succession 24
    - Ecological Adaptation 38
    - Human Impact 37
    - Ecological Climate Change 16
  - Human Anatomy and Physiology
    - Skeletal System 252
    - Muscular System 161
    - Nervous System 340
    - Endocrine System 186
    - Circulatory System 207
    - Respiratory System 177
    - Digestive System 128
    - Excretory System 73
    - Reproductive System 139
    - Immune System 99
    - Integumentary System 51
    - Sensory Organs 213
  - Botany Plant Biology
    - Plant Anatomy 5
    - Plant Morphology 119
    - Plant Physiology 74
    - Photosynthesis 104
    - Plant Reproduction 32
    - Plant Growth 9
    - Plant Hormones 28
    - Plant Taxonomy 93
    - Plant Ecology 32
    - Plant Pathology 12
    - Economic Botany 48
    - Seed Biology 6
    - Plant Genetics 5
    - Plant Adaptations 53
  - Zoology Animal Biology
    - Classification 267
    - Porifera 10
    - Cnidaria 21
    - Platyhelminthes 34
    - Nematoda 17
    - Annelida 16
    - Arthropoda 26
    - Mollusca 16
    - Echinodermata 19
    - Chordata 13
    - Fish 27
    - Amphibians 28
    - Reptiles 41
    - Birds 61
    - Mammals 38
    - Anatomy 30
    - Physiology 29
    - Reproduction 40
    - Development 16
    - Behavior 170
  - Microbiology
    - Microbial Structure 58
    - Bacteriology 7
    - Virology 18
    - Mycology 23
    - Parasitology 45
    - Microbial Genetics 2
    - Microbial Physiology 15
    - Microbial Ecology 27
    - Pathogenic Microbiology 177
    - Microbial Biotechnology 2
    - Food Microbiology 16
    - Industrial Microbiology 4
    - Environmental Microbiology 2
  - Biotechnology
    - Bio Genetic Engineering 4
    - Recombinant DNA 9
    - Cloning 6
    - PCR 8
    - Gel Electrophoresis 21
    - DNA Sequencing 6
    - Gene Therapy 3
    - CRISPR 9
    - Stem Cells 9
    - Bioreactors 5
    - Fermentation 5
    - Bioinformatics 6
    - GMOs 12
    - Proteomics 1
    - Metabolomics 3
  - Molecular Biology
    - Biological Biomolecules 17
    - Carbohydrates 29
    - Biochemical Lipids 2
    - Bio Proteins 12
    - Bio Enzymes 3
    - Bio Nucleic Acids 21
    - Biochemical Vitamins 36
    - Bio Minerals 5
    - Bio Metabolism 47
    - Cellular Respiration 112
    - Nitrogen Metabolism 9
    - Bio Hormones 13
    - Signal Transduction 6
  - Immunology
    - Innate Immunity 16
    - Adaptive Immunity 12
    - Antigens 11
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    - Lymphatic System 26
    - B Cells 31
    - T Cells 6
    - Immune Response 26
    - Cytokines 16
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    - Immunodeficiency 23
    - Hypersensitivity 30
    - Autoimmunity 20
    - Transplant Immunology 8
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  - Developmental Biology
    - Gametogenesis 10
    - Fertilization 48
    - Cleavage 20
    - Gastrulation 5
    - Organogenesis 25
    - Metamorphosis 15
    - Regeneration 3
    - Growth 18
    - Aging 30
- Earth and Space Science
  - Geology
    - Minerals 52
    - Rocks 18
    - Geological Rock Cycle 45
    - Plate Tectonics 107
    - Geological Volcanoes 34
    - Geological Earthquakes 22
    - Weathering 14
    - Erosion 35
    - Soil 8
    - Fossils 8
    - Geological Time 23
    - Geomorphology 10
    - Natural Resources 28
  - Meteorology
    - Metrological Atmosphere 12
    - Metrological Weather 52
    - Climate 5
    - Clouds 14
    - Precipitation 2
    - Air Pressure 21
    - Wind 4
    - Storms 8
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    - Metrological Tornadoes 15
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  - Oceanography
    - Ocean Basins 21
    - Waves 6
    - Tides 4
    - Currents 5
    - Marine Life 30
    - Coral Reefs 19
    - Seafloor Spreading 8
    - Salinity 7
    - Marine Resources 14
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    - Climate Impact 6
  - Environmental Geoscience
    - Environmental Climate Change 1
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    - Environmental Impact 31
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    - Renewable Energy 76
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  - Paleontology
    - Fossilization 6
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    - Stratigraphy 13
    - Extinction Events 17
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  - Earth Systems and Cycles
    - Geosphere 4
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    - Climate System 3
  - Soil Science
    - Soil Formation 3
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    - Soil Physics 1
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- Astronomy
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  - Cosmology
    - Big Bang 22
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  - Exoplanets
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  - Celestial Mechanics and Orbits
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    - Kepler Laws 3
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Math

Classification Quizzes, Questions & Answers

Recent Classification Quizzes

The EXAM (WILD ANIMALS) assesses recognition and understanding of wild animals through a series of questions, enhancing knowledge in zoology and promoting wildlife awareness.

Questions: 10 | Attempts: 509 | Last updated: Mar 3, 2025

Sample Question
THIS IS AN ELEPHANT

True

False

Identify The Animal Quiz

Identify the animal quiz

Here is a wonderful "Identify the animal quiz". As we all know, there are thousands of animals in this world. In this quiz, we will test how well you identify different animals. This quiz will help you to practice...

Questions: 10 | Attempts: 858 | Last updated: Mar 13, 2023

Sample Question
Which animal is this?

Tiger

Bear

Deer

None of these

General Questions On Horse! Knowledge Trivia Quiz

General Questions on Horse! Knowledge Trivia Quiz

Horses are beautiful and intelligent animals that live in the wild or on a farm. Their coat is short except for longer hair on the mane and tail. During this quiz, you will be asked questions like what a white marking on a...

Questions: 11 | Attempts: 8663 | Last updated: Nov 9, 2023

Sample Question
A white marking on a horse's forehead is called a:

Star

Stripe

Spot

Snip

External Features Of Animals Exercise

EXTERNAL FEATURES OF ANIMALS EXERCISE

Study these animals. Click the correct external features that they have.

Questions: 10 | Attempts: 2123 | Last updated: Apr 19, 2024

Sample Question

Shell shell

Scales

Whiskers

Legs

Biology I Final Exam (Practice)

I took all of the questions from past quizzes in Biology and compiled them all onto one test. Hopefully this will help prepare for the final exam. This does not include the open discussion quizzes that was on the exam.

Questions: 90 | Attempts: 2613 | Last updated: Mar 21, 2023

Sample Question
Which sequence correctly lists the different levels of biological organization?

A. cells -> organs -> tissues -> organ system -> organism

B. cells -> tissues -> organ system -> organs -> organism

C. tissues -> cells -> organ -> organ system -> organism

D. tissues -> organs -> organ system -> organisms -> cells

E. cells -> tissues -> organs -> organ system -> organism

Domestic Or Wild Animals Quiz # 3

domestic or wild animals Quiz # 3

Domestic or Wild Animals Quiz #3 assesses knowledge on animal characteristics, differentiating between domestic and wild animals. It enhances understanding of animal anatomy and classification, suitable for learners interested in...

Questions: 6 | Attempts: 299 | Last updated: Mar 21, 2023

Sample Question
Does the dog have paws?

Yes

No

Anoa's 4th Grade Science - Chapter 3

ANoa's 4th Grade Science - Chapter 3

There are different classifications of animals and each has its own different characteristics and lives in different environments. The quiz below is designed to test out how much you know about the different classifications...

Questions: 27 | Attempts: 112 | Last updated: Nov 1, 2024

Sample Question
Animal cells don't have chlorophyll.

True

False

Wild And Domestic Animals Quiz

Wild and Domestic Animals Quiz

For questions 1 â€“ 5, please fill in the blanks with the correct answer. The answers are either "wild" or "domestic". For questions 6 - 10, please check the animals related to the categories given.

Questions: 10 | Attempts: 2093 | Last updated: Mar 21, 2023

Sample Question
Wild.

Pandas.

Parakeet.

Cheetah.

Animal Classification Quiz

Here is an Animal classification quiz. Animalia is known as a biological kingdom of living things, specifically animals. There are some major classifications of animals, and different animals belong to different classes. So, this...

Questions: 10 | Attempts: 46649 | Last updated: Sep 23, 2024

Sample Question
What is the correct class for a frog?

Mammalia

Amphibia

Reptilia

Aves

Bio 202 First Half Of Exam 2

Bio 202 First half of Exam 2

An exam given near the middle of an academic term is called a midterm exam whose objective is to test the understanding of students on a particular unit or and prepare them for the end term exam. Bio 202 First Half Of Exam 2...

Questions: 18 | Attempts: 262 | Last updated: Mar 22, 2023

Sample Question
______ are secreted by one cell into the tissue fluid, diffuse to nearby cells in the same tissue, and stimulate their physiology

Paracrine hormones

Neurotransmitters

Cholinesterases

Hormones

Neuromodulators

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