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  - Waves and Oscillations
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    - Optics Reflection 32
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    - Electric Charge 29
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  - Modern Physics
    - Atomic Physics 36
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  - Nuclear Physics
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    - Physics Nuclear Reactions 3
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  - Quantum Physics
    - Superposition 3
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    - Atomic Models 48
    - Photoelectric Effect 7
    - Compton Effect 3
    - Wave Particle 7
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  - Relativity
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    - Time Dilation 2
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    - Mass Energy 15
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  - Astrophysics
    - Stellar Physics 3
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  - Fluid Mechanics
    - Fluid Properties 7
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    - Continuity Equation 1
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  - Measurement and Units
    - SI Units 9
    - Derived Units 7
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    - Significant Figures 34
    - Scientific Notation 13
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    - Accuracy 8
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- Chemistry
  - Physical Chemistry
    - States of Matter 202
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    - Chemical Equilibrium 18
    - Ionic Equilibrium 50
    - Solutions 10
    - Colligative Properties 66
    - Chemical Kinetics 18
    - Electrochemistry 12
    - Surface Chemistry 2
    - Physical Quantum Chemistry 1
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  - Inorganic Chemistry
    - Periodic Table 231
    - Chemical Bonding 112
    - Coordination Compounds 23
    - Metallurgy 2
    - s Block Elements 1
    - p Block Elements 1
    - 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
    - Industrial Metallurgy 2
    - 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
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    - 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
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  - 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
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    - Antigens 11
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    - Lymphatic System 26
    - B Cells 31
    - T Cells 6
    - Immune Response 26
    - Cytokines 16
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  - Developmental Biology
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    - Fertilization 48
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    - Gastrulation 5
    - Organogenesis 25
    - Metamorphosis 15
    - Regeneration 3
    - Growth 18
    - Aging 30
- Earth and Space Science
  - Geology
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    - Rocks 18
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    - Plate Tectonics 107
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    - Soil 8
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    - Natural Resources 28
  - Meteorology
    - Metrological Atmosphere 12
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  - Oceanography
    - Ocean Basins 21
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    - Marine Life 30
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    - Seafloor Spreading 8
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    - Landslides 3
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    - Wildfires 12
    - Heatwaves 3
    - Blizzards 1
  - Earth Systems and Cycles
    - Geosphere 4
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    - Atmosphere 11
    - Biosphere 5
    - Rock Cycle 15
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    - Carbon Cycle 5
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    - Energy Flow 5
    - Climate System 3
  - Soil Science
    - Soil Formation 3
    - Soil Profile 16
    - Soil Properties 4
    - Soil Fertility 14
    - Soil Physics 1
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    - Soil Erosion 4
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- Astronomy
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    - History of Astronomy 17
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    - Neptune 7
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    - Variable Stars 2
  - Galaxies
    - Nebulae 1
    - Quasars 4
    - Galaxy Black Holes 2
  - Cosmology
    - Big Bang 22
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    - Dark Energy 1
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    - Large Scale 1
    - Galaxy Formation 5
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    - Cosmological Models 4
  - Exoplanets
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    - Planet Types 6
    - Atmospheres 1
  - Astrobiology
    - Extremophiles 1
    - Habitable Zones 1
    - Biosignatures 4
    - Life Detection 2
    - Mars Life 3
    - Space Missions 5
  - Astronomical Instruments
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    - Photometer 4
    - Planetarium 1
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  - Space Exploration and Missions
    - Spacecraft 3
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    - Space Probes 3
    - Space Telescopes 1
    - Manned Missions 2
    - Lunar Missions 6
    - Mars Missions 2
    - Space Stations 3
    - Space Agencies 3
  - Celestial Mechanics and Orbits
    - Orbital Motion 7
    - Kepler Laws 3
    - Newton Laws 60
    - Orbital Gravity 1
    - Eclipses 7
    - Retrograde Motion 3
    - Perturbations 5
    - Orbital Resonance 5
Math

Classification Quizzes, Questions & Answers

Do you know that the different things that can be found in this world can be classified into different things? Read More

Classification Quizzes By Grade

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Top Trending Classification Quizzes

Zoology Classification and Characteristics Quiz

Zoology Classification And Characteristics Quiz

Explore essential Zoology practical terms through engaging Flashcards designed to enhance understanding and memory retention of key concepts used in scientific surveys and practicals. Ideal for students and professionals aiming...

Questions: 12 | Attempts: 10 | Last updated: Aug 4, 2025

Sample Question
What is the common name of this organism, its Subphylum, Class, and what gives them their green color?

A) Parameciumb) SP. Ciliophorac) C. Ciliophorad) Nucleus

A) Euglenab) SP. Mastigophorac) C. Phytomastigophorad) Chloroplasts

A) Amoebab) SP. Sarcodinac) C. Rhizopodad) Red pigment

A) Volvoxb) SP. Chlorophyllophorac) C. Chlorophyllod) Mitochondria

Vertebrates and Invertebrates: Identification and Classification Quiz

Vertebrates And Invertebrates: Identification And Classification Quiz

Determine if an animal is a vertebrate or invertebrate by identifying whether it has a backbone. This quiz enhances understanding of biological classification and animal anatomy, crucial for learners in biology and natural...

Questions: 11 | Attempts: 10 | Last updated: Aug 4, 2025

Sample Question
What is der Vogel?

The bird is an invertebrate because it has no backbone.

The bird is a vertebrate because it has a backbone.

The bird is a reptile because it lays eggs and has scales.

The bird is a mammal because it gives birth to live young.

Gk Questions On The Longest, Largest, Smallest Animals & Birds Quiz

GK Questions On The Longest, Largest, Smallest Animals & Birds Quiz

Explore the extremes of the animal kingdom in this engaging quiz! Learn about the longest, largest, and smallest creatures, enhancing your understanding of biological diversity and adaptation. Ideal for students and enthusiasts...

Questions: 30 | Attempts: 10 | Last updated: Aug 4, 2025

Sample Question
What is the largest marine mammal?

Dolphin

Manatee

Killer Whale

Blue Whale

Understanding Veterinary Prescription Abbreviations Quiz

Explore basic terminology and acronyms essential for veterinary offices. This educational tool enhances understanding of common veterinary language, aiding professionals and students in effective communication and practice within...

Questions: 28 | Attempts: 10 | Last updated: Aug 4, 2025

Sample Question
What does EOD stand for?

End of discussion

Every other day

Everyday

End of day

NC EOC Biology Exam Preparation Quiz

Nc EOC Biology Exam Preparation Quiz

Prepare for the NC EOC Biology exam with our targeted flashcard quizzes. Enhance your understanding of essential biology vocabulary and concepts, crucial for mastering the exam. Ideal for students aiming to improve their biology...

Questions: 29 | Attempts: 10 | Last updated: Aug 4, 2025

Sample Question
What are the results of the Brown Paper Test for lipids?

Yellow

Clear

Name of TestTests forPos.Neg.Brown PaperLipidsTranslucentOpaque

Opaque

Popular Classification Quizzes

Science Quiz For 8 Year Olds!

In today's era, every single child is curious by nature. Nowadays, children question more to satiate their hunger for knowledge and believe in scientific facts for every phenomenon occurring around their environment. This...

Questions: 20 | Attempts: 73525 | Last updated: Aug 14, 2024

Sample Question
Squirrel monkey is a type of __________?

Squirrel

Lizard

Monkey

Panda

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: 46647 | Last updated: Sep 23, 2024

Sample Question
What is the correct class for a frog?

Mammalia

Amphibia

Reptilia

Aves

What Type Of Animal Are You? Take This Quiz!

What Type of Animal Are You? Take this Quiz!

Now let's be honest, it would be near impossibly in order to contain all of the animals in the world into a quiz for you to be able to decipher between. So this quiz is going to tap into your animal subconscious- so...

Questions: 10 | Attempts: 45284 | Last updated: Mar 21, 2022

Sample Question
When you eat lunch where are you most likely to sit?

By yourself

Where there are people and an empty seat

Where you always sit, with your friends

Science Quiz For Grade 1st

Science Quiz for Grade 1st

Looking for a fun and engaging way to introduce your little one to the wonders of science? A science quiz for class 1 is the perfect tool! From animals and plants to the weather and the human body, this quiz makes learning...

Questions: 20 | Attempts: 40821 | Last updated: Jul 1, 2025

Sample Question
Which of these is a vegetable?

Cabbage

Watermelon

Apple

Leaf

Think You Know Insects? Try These Entomology Quiz Questions And Answers Now

Here's a fun and interesting entomology quiz with questions and answers. Entomology is a branch of zoology that deals with the scientific study of insects. Do you think you are an expert on this subject? Will you be...

Questions: 250 | Attempts: 25432 | Last updated: May 12, 2025

Sample Question
Insects that pass through the egg, larva, pupa, and adult stages in their life cycle have_________________.

Incomplete metamorphosis

No metamorphosis

Complete metamorphosis

Gradual metamorphosis

Preparing For The Biology Exam? Our Ultimate Practice Quiz Can Help!

Biology may be a tough subject to crack, but you’ll be happy you did it once you finally master the scientific study of biology. Take the following quiz on all of the ins and outs of biology to see if you’re ready for...

Questions: 25 | Attempts: 23984 | Last updated: Mar 22, 2022

Sample Question
What does DNA ligase do during DNA replication?

Seals the hydrogen bonds between the 2 strands of DNA.

Breaks the hydrogen bonds between the 2 strand of DNA.

Seals the nicks in the sugar-phosphate bonds of one of the new DNA strands.

Seals the nicks in the sugar-phosphate bonds of one of the old DNA strands.

Recent Classification Quizzes