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  - Mechanics
    - Motion 28
    - Kinematics 36
    - Dynamics 1
    - Forces 75
    - Energy 13
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    - Momentum 41
    - Circular Motion 20
    - Gravitation 21
    - Oscillation 3
    - Equilibrium 5
    - Friction 30
    - Elasticity 16
    - Fluid Statics 5
  - Thermodynamics
    - Temperature 14
    - Heat 17
    - Thermal Expansion 7
    - Heat Transfer 65
    - Calorimetry 12
    - Kinetic Theory 42
    - Gas Laws 14
    - First Law 5
    - Second Law 7
    - Entropy 6
    - Heat Engine 2
    - Refrigeration 5
    - Thermodynamic Cycles 4
  - Waves and Oscillations
    - Wave Motion 22
    - Wave Types 16
    - Wave Properties 23
    - Sound Waves 80
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    - Interference 3
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    - Reflection 4
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    - Polarization 3
    - Resonance 2
    - Harmonics 10
    - Doppler Effect 5
  - Optics
    - Optics Reflection 32
    - Optics Refraction 3
    - Lenses 17
    - Mirrors 3
    - Optics Dispersion 3
    - Optics Diffraction 4
    - Optics Interference 5
    - Optics Polarization 1
    - Optical Instruments 7
    - Fiber Optics 1
    - Laser 3
    - Vision 5
  - Electricity and Magnetism
    - Electric Charge 28
    - Electric Field 1
    - Electric Potential 13
    - Capacitance 9
    - Current Electricity 22
    - Ohm Law 22
    - Resistivity 27
    - Electric Power 14
    - Magnetic Field 29
    - Electromagnetic Induction 13
    - Alternating Current 5
    - Electromagnetic Waves 31
    - Circuit Theory 33
    - Electrostatics 23
  - Modern Physics
    - Atomic Physics 36
    - Quantum Theory 5
    - Particle Physics 10
    - Wave Mechanics 1
    - Photoelectricity 5
    - X Rays 3
    - Radioactivity 13
    - Spectroscopy 1
  - Nuclear Physics
    - Nuclear Radioactivity 13
    - Nuclear Decay 5
    - Half Life 3
    - Physics Nuclear Reactions 3
    - Fission 2
    - Binding Energy 14
    - Mass Defect 4
    - Nuclear Applications 1
  - Quantum Physics
    - Superposition 2
    - Uncertainty 4
    - Quantum Tunneling 1
    - Quantum Numbers 2
    - Atomic Models 48
    - Photoelectric Effect 7
    - Compton Effect 3
    - Wave Particle 7
    - Quantum Entanglement 1
    - Spin 3
    - Energy Levels 7
    - Probability Density 5
  - Relativity
    - Special Theory 3
    - General Theory 7
    - Time Dilation 1
    - Length Contraction 21
    - Mass Energy 15
    - Relativistic Momentum 1
    - Gravitational Lensing 1
    - Relativity Black Holes 1
  - Astrophysics
    - Stellar Physics 3
    - Astrophysics Black Holes 12
    - Neutron Stars 4
    - Astro Dark Matter 4
    - Cosmic Rays 6
    - Space Exploration 8
    - Planetary Science 11
    - Astro Radio Astronomy 2
    - Gamma Ray Astronomy 1
    - Gravitational Waves 4
  - Fluid Mechanics
    - Fluid Properties 7
    - Fluid Pressure 12
    - Buoyancy 17
    - Continuity Equation 1
    - Bernoulli Principle 8
    - Viscosity 4
    - Surface Tension 10
    - Capillarity 4
    - Turbulence 1
    - Streamline Flow 1
    - Hydraulic Machines 28
  - Measurement and Units
    - SI Units 9
    - Derived Units 7
    - Unit Conversion 10
    - Significant Figures 27
    - Scientific Notation 12
    - Dimensional Analysis 10
    - Accuracy 6
    - Precision 24
    - Error Analysis 22
    - Measuring Instruments 25
- Chemistry
  - Physical Chemistry
    - States of Matter 202
    - Physical Gas Laws 22
    - Chemical Equilibrium 18
    - Ionic Equilibrium 50
    - Solutions 10
    - Colligative Properties 64
    - Chemical Kinetics 18
    - Electrochemistry 11
    - Surface Chemistry 2
    - Physical Quantum Chemistry 1
    - Physical Spectroscopy 5
  - Inorganic Chemistry
    - Periodic Table 230
    - Chemical Bonding 111
    - 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 4
    - Acids and Bases 69
    - Salt Analysis 25
  - Organic Chemistry
    - Organic Compounds Classification 28
    - Structural Isomerism 13
    - Nomenclature 82
    - Hydrocarbons 6
    - Haloalkanes 6
    - Alcohols 8
    - Aldehydes 3
    - Ketones 4
    - Carboxylic Acids 8
    - Amines 3
    - Organic Biomolecules 17
    - Organic Reactions 15
  - Analytical Chemistry
    - Qualitative Analysis 4
    - Quantitative Analysis 4
    - Titrations 3
    - Gravimetric Analysis 5
    - Chromatography 4
    - Spectrophotometry 3
    - Electroanalytical Methods 10
    - Mass Spectrometry 5
    - Thermal Analysis 2
    - Separation Techniques 24
  - Biochemistry
    - Biomolecules 7
    - Bio Carbohydrates 22
    - Proteins 30
    - Enzymes 24
    - Lipids 46
    - Nucleic Acids 8
    - Metabolism 4
    - Bioenergetics 1
    - Vitamins 30
    - Hormones 12
    - Cell Signaling 16
    - Genetic Code 3
  - Environmental Chemistry
    - Air Pollution 17
    - Water Pollution 20
    - Soil Pollution 4
    - Waste Management 53
    - Ozone Depletion 9
    - Acid Rain 8
    - Eutrophication 2
    - Toxicology 34
    - Radioactive Pollution 2
  - Industrial Chemistry
    - Cement 3
    - Glass 1
    - Fertilizers 4
    - Dyes 1
    - Paints 1
    - Pharmaceuticals 1
    - Food Chemistry 12
    - Pulp and Paper 2
    - Industrial Metallurgy 2
    - Detergents 5
  - Nuclear Chemistry
    - Chemistry Radioactivity 2
    - Chemistry Nuclear Reactions 2
    - Radioisotopes 8
    - Nuclear Safety 48
  - Polymer Chemistry
    - Polymerization 1
    - Addition Polymers 1
    - Condensation Polymers 1
    - Natural Polymers 1
    - Synthetic Polymers 2
    - Thermoplastics 2
    - Polymer Properties 1
  - Theoretical Chemistry
    - Molecular Modeling 1
    - Computational Chemistry 1
    - Statistical Mechanics 7
    - Chemical Thermodynamics 12
    - Reaction Dynamics 124
    - Electronic Structure 57
    - Molecular Dynamics 18
    - Spectroscopy Theory 1
  - Medicinal Chemistry
    - Pharmacokinetics 7
    - Pharmacodynamics 6
    - Drug Metabolism 3
    - Enzyme Inhibition 18
    - Receptor Binding 9
    - Structure Activity 10
    - Prodrugs 1
    - Natural Products 7
    - Peptidomimetics 1
  - Green Chemistry
    - Principles 8
    - Waste Prevention 7
    - Energy Efficiency 13
    - Catalysis 1
    - Biodegradable Materials 1
    - Green Synthesis 1
    - Solvent Reduction 10
    - Atom Economy 2
    - Life Cycle Analysis 3
    - Pollution Prevention 2
  - Materials Chemistry
    - Crystal Structure 51
    - Band Theory 7
    - Materials Polymers 2
    - Ceramics 1
    - Nanomaterials 8
    - Biomaterials 1
    - 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 25
    - Cell Organelles 63
    - Cell Membrane 70
    - Cell Wall 1
    - Cytoplasm 13
    - 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 90
    - Cell Communication 2
  - Genetics
    - DNA Structure 90
    - RNA Structure 36
    - Gene Expression 14
    - Biological Genetic Code 4
    - DNA Replication 36
    - Transcription 8
    - Translation 3
    - Mutation 38
    - Mendelian Inheritance 38
    - Non Mendelian Inheritance 76
    - Genetic Disorders 40
    - Genetic Mapping 3
    - Genetic Engineering 8
    - Genomics 7
    - Epigenetics 3
  - Evolution
    - Origin of Life 47
    - Theories of Evolution 12
    - Natural Selection 42
    - Variation 27
    - Adaptation 23
    - Speciation 9
    - Fossil Record 12
    - Comparative Anatomy 29
    - Molecular Evidence 43
    - Human Evolution 22
    - Coevolution 5
    - Extinction 11
  - Ecology
    - Ecosystem 51
    - Biomes 10
    - Population Ecology 28
    - Community Ecology 10
    - Food Chains 90
    - Food Webs 44
    - Ecological Energy Flow 24
    - Nutrient Cycles 56
    - Biodiversity 180
    - Ecological Conservation 94
    - Habitat 115
    - Succession 24
    - Ecological Adaptation 37
    - Human Impact 33
    - Ecological Climate Change 16
  - Human Anatomy and Physiology
    - Skeletal System 232
    - Muscular System 113
    - Nervous System 259
    - Endocrine System 167
    - Circulatory System 154
    - Respiratory System 82
    - Digestive System 107
    - Excretory System 56
    - Reproductive System 113
    - Immune System 71
    - Integumentary System 35
    - Sensory Organs 191
  - Botany Plant Biology
    - Plant Anatomy 5
    - Plant Morphology 115
    - Plant Physiology 74
    - Photosynthesis 104
    - Plant Reproduction 32
    - Plant Growth 9
    - Plant Hormones 27
    - Plant Taxonomy 91
    - Plant Ecology 31
    - Plant Pathology 10
    - Economic Botany 44
    - Seed Biology 6
    - Plant Genetics 5
    - Plant Adaptations 52
  - Zoology Animal Biology
    - Classification 243
    - Porifera 9
    - Cnidaria 11
    - Platyhelminthes 32
    - Nematoda 17
    - Annelida 16
    - Arthropoda 25
    - Mollusca 15
    - Echinodermata 18
    - Chordata 13
    - Fish 26
    - Amphibians 28
    - Reptiles 41
    - Birds 60
    - Mammals 38
    - Anatomy 17
    - Physiology 17
    - Reproduction 36
    - Development 10
    - Behavior 123
  - Microbiology
    - Microbial Structure 57
    - Bacteriology 6
    - Virology 16
    - Mycology 23
    - Parasitology 43
    - Microbial Genetics 2
    - Microbial Physiology 15
    - Microbial Ecology 27
    - Pathogenic Microbiology 133
    - Microbial Biotechnology 2
    - Food Microbiology 13
    - Industrial Microbiology 1
    - Environmental Microbiology 2
  - Biotechnology
    - Bio Genetic Engineering 4
    - Recombinant DNA 7
    - Cloning 5
    - PCR 7
    - Gel Electrophoresis 21
    - DNA Sequencing 5
    - CRISPR 6
    - Stem Cells 8
    - Bioreactors 3
    - Fermentation 5
    - Bioinformatics 5
    - GMOs 11
    - Proteomics 1
    - Metabolomics 3
  - Molecular Biology
    - Biological Biomolecules 17
    - Carbohydrates 27
    - Biochemical Lipids 2
    - Bio Proteins 12
    - Bio Enzymes 3
    - Bio Nucleic Acids 21
    - Biochemical Vitamins 30
    - Bio Minerals 5
    - Bio Metabolism 45
    - Cellular Respiration 112
    - Nitrogen Metabolism 9
    - Bio Hormones 8
    - Signal Transduction 6
  - Immunology
    - Innate Immunity 16
    - Adaptive Immunity 12
    - Antigens 9
    - Antibodies 7
    - Lymphatic System 19
    - B Cells 25
    - T Cells 6
    - Immune Response 18
    - Cytokines 8
    - Vaccination 8
    - Immunodeficiency 1
    - Hypersensitivity 13
    - Autoimmunity 2
    - Transplant Immunology 2
    - Tumor Immunology 5
  - Developmental Biology
    - Gametogenesis 10
    - Fertilization 39
    - Cleavage 17
    - Organogenesis 24
    - Metamorphosis 13
    - Regeneration 3
    - Growth 14
    - Aging 11
- Earth and Space Science
  - Geology
    - Minerals 52
    - Rocks 18
    - Geological Rock Cycle 45
    - Plate Tectonics 104
    - Geological Volcanoes 33
    - Geological Earthquakes 22
    - Weathering 14
    - Erosion 29
    - Soil 8
    - Fossils 8
    - Geological Time 23
    - Geomorphology 5
    - Natural Resources 25
  - Meteorology
    - Metrological Atmosphere 12
    - Metrological Weather 49
    - Climate 1
    - Clouds 14
    - Precipitation 2
    - Air Pressure 20
    - Wind 4
    - Storms 8
    - Hurricanes 7
    - Metrological Tornadoes 13
    - Weather Forecasting 7
    - Metrological Climate Change 2
  - Oceanography
    - Ocean Basins 18
    - Waves 5
    - Tides 4
    - Currents 5
    - Marine Life 30
    - Coral Reefs 18
    - Seafloor Spreading 8
    - Salinity 7
    - Marine Resources 13
    - Ocean Pollution 9
    - Climate Impact 5
  - Environmental Geoscience
    - Environmental Climate Change 1
    - Natural Hazards 12
    - Pollution 13
    - Environmental Impact 28
    - Resource Management 4
    - Renewable Energy 76
    - Sustainability 41
    - Conservation 35
    - Land Use 5
  - Paleontology
    - Fossilization 5
    - Fossil Types 4
    - Stratigraphy 12
    - Extinction Events 17
    - Evolutionary Trends 16
    - Vertebrate Fossils 12
    - Invertebrate Fossils 7
    - Plant Fossils 3
  - Climate Science
    - Weather 3
    - Climate Zones 3
    - Atmospheric Circulation 2
    - Ocean Currents 4
    - El Nino 12
    - Greenhouse Effect 25
    - Global Warming 14
    - Climate Change 1
    - Climatorial Carbon Cycle 8
    - Water Cycle 3
    - Severe Weather 2
    - Paleoclimate 1
  - Hydrology
    - Hydro Water Cycle 5
    - Hydrological Precipitation 2
    - Evaporation 20
    - Runoff 6
    - Groundwater 4
    - Watersheds 2
    - River Systems 5
    - Lakes 3
    - Wetlands 9
    - Water Quality 24
    - Water Management 21
  - Natural Disasters
    - Earthquakes 5
    - Volcanoes 7
    - Tsunamis 5
    - Floods 2
    - Droughts 1
    - Cyclones 3
    - Tornadoes 3
    - Landslides 2
    - Wildfires 7
    - Heatwaves 1
    - Blizzards 1
  - Earth Systems and Cycles
    - Geosphere 3
    - Hydrosphere 3
    - Atmosphere 11
    - Biosphere 5
    - Rock Cycle 15
    - Earthy Water Cycle 9
    - Carbon Cycle 5
    - Nitrogen Cycle 14
    - Energy Flow 5
    - Climate System 3
  - Soil Science
    - Soil Formation 2
    - Soil Profile 16
    - Soil Properties 4
    - Soil Fertility 13
    - Soil Physics 1
    - Soil Biology 3
    - Soil Erosion 4
    - Soil Conservation 4
- Astronomy
  - Observational Astronomy
    - History of Astronomy 13
    - Ultraviolet Astronomy 2
  - Solar System
    - Sun 3
    - Mercury 7
    - Venus 5
    - Earth 2
    - Moon 21
    - Mars 3
    - Jupiter 2
    - Saturn 13
    - Uranus 5
    - Neptune 7
    - Asteroids 14
    - Comets 10
    - Meteoroids 5
    - Kuiper Belt 2
  - Stars and Stellar Evolution
    - Star Formation 1
    - Main Sequence 10
    - Red Giants 2
    - Black Holes 1
    - Stellar Nucleosynthesis 2
    - Variable Stars 2
  - Galaxies
    - Nebulae 1
    - Quasars 4
    - Galaxy Black Holes 2
  - Cosmology
    - Big Bang 22
    - Cosmo Dark Matter 2
    - Dark Energy 1
    - Cosmic Microwave 3
    - Large Scale 1
    - Galaxy Formation 5
    - Universe Expansion 2
    - Cosmological Models 4
  - Exoplanets
    - Detection Methods 1
    - Planet Types 6
    - Atmospheres 1
  - Astrobiology
    - Biosignatures 4
    - Life Detection 2
    - Mars Life 3
    - Space Missions 5
  - Astronomical Instruments
    - Radio Telescope 1
    - Space Telescope 2
    - Photometer 4
    - Planetarium 1
    - Sextant 4
  - Space Exploration and Missions
    - Spacecraft 1
    - Satellites 3
    - Space Probes 3
    - Space Telescopes 1
    - Manned Missions 2
    - Lunar Missions 6
    - Mars Missions 2
    - Space Stations 2
    - Space Agencies 2
  - Celestial Mechanics and Orbits
    - Orbital Motion 7
    - Kepler Laws 3
    - Newton Laws 60
    - Orbital Gravity 1
    - Eclipses 7
    - Retrograde Motion 2
    - Perturbations 4
    - Orbital Resonance 4
Math

Biology Quizzes, Questions & Answers

Popular Quizzes

Want to explore the blueprint of life? Our Genes and Chromosomes Quiz is designed to test your understanding of the fundamental elements that define every living organism. Dive into the fascinating world of genetics and...

Questions: 10 | Attempts: 10811 | Last updated: Feb 11, 2025

Sample Question
What structure holds genes?

Protein

Chromosome

Lipid

Carbohydrate

Reproductive System Quiz

Welcome to the Reproductive System Quiz! Whether you're a student, educator, or healthcare professional, this quiz is designed to test your knowledge and deepen your understanding of human reproductive anatomy and physiology....

Questions: 25 | Attempts: 10791 | Last updated: Aug 22, 2024

Sample Question
The main purpose of the male reproductive system is to:

Create as many sperm as possible

Create egg cells

Maintain erections for as long as possible

Make sure each sperm cell is carefully developed

Microorganisms Quiz: Questions And Answers

Did you know that microorganisms are significant for humans? Here is a Microorganisms quiz to test your knowledge of microorganisms and the various uses of microorganisms. From helping in the production of dairy products to being...

Questions: 29 | Attempts: 13097 | Last updated: Oct 22, 2024

Sample Question
Agar, the growth medium for bacteria, is taken from __________.

Brown algae

Green algae

Golden algae

Red algae

Circulatory System Quiz With Answers

The Circulatory System Quiz is designed to assess your knowledge of the vital systems that help blood circulate throughout the body. In this quiz, you will be asked a series of questions related to the anatomy and function of the...

Questions: 29 | Attempts: 134078 | Last updated: Mar 7, 2025

Sample Question
What organ is responsible for pumping blood in the circulatory system?

Heart

The heart, the brain, and the lungs

The lungs, the blood, and the blood vessels

The brain, the heart, and the blood vessels

Plant Reproduction Quiz Questions And Answers

Discover the amazing ways plants reproduce with our Plant Reproduction Quiz! This quiz is designed to help you explore how plants create new life and grow in nature. You'll learn about different ways plants can reproduce,...

Questions: 24 | Attempts: 31375 | Last updated: Sep 16, 2024

Sample Question
The production of new plants from underground stems is an example of __________ reproduction.

Sexual

Zygote

Two parent

Asexual

Explore The Human Body: Anatomy And Physiology Quiz

Explore the Human Body: Anatomy and Physiology Quiz

Welcome to the Anatomy & Physiology Test! This comprehensive quiz will challenge your knowledge of the human body's structure and function. Covering topics such as the skeletal system, muscular system, cardiovascular...

Questions: 41 | Attempts: 12351 | Last updated: Sep 1, 2024

Sample Question
Which organ system introduces oxygen and removes carbon dioxide from the bloodstream?

Digestive

Respiratory

Lymphatic

Cardiovascular

Endocrine

Biology Test - Life Processes

BIOLOGY TEST - LIFE PROCESSES

This BIOLOGY TEST - LIFE PROCESSES assesses knowledge on key biological processes such as anaerobic respiration in plants, the breakdown of pyruvate, and protein digestion. It emphasizes understanding of cellular functions and...

Questions: 25 | Attempts: 597 | Last updated: Jan 20, 2023

Sample Question
What are the products obtained by anaerobic respiration in plants?

Lactic Acid + Energy

Carbon dioxide + water + energy

Ethanol + Carbon dioxide + Energy

Pyruvate

Cell Structure And Function Quiz With Answers

Cell Structure and Function Quiz with Answers

Here is an interesting 'cell structure and function quiz' designed to test your knowledge about cells and their functions. Cells are the building blocks of the body and consist of the cell membrane, nucleus, and...

Questions: 20 | Attempts: 41640 | Last updated: Oct 4, 2024

Sample Question
What is the name of a double layer of phospholipids (called lipid bilayer)?

Plasma membrane

Cytoskeleton

Cellulose cell wall

Endoplasmic Reticulum

Darwin's Theory Of Evolution Quiz

Darwin's Theory of Evolution Quiz

Welcome to the Darwin's Theory of Evolution Quiz! This quiz is designed to test your understanding of Charles Darwin's groundbreaking ideas on natural selection and evolution. Whether you're a student, a biology...

Questions: 24 | Attempts: 786 | Last updated: Jun 10, 2024

Sample Question
What is evolution?

Changes in inherited characteristics of a population that help increase the fitness of a species

Ability of animal to reproduce

Change over time where modern organisms have descended from ancient organism

Bacteria, Protists And Fungi Quiz

Bacteria, Protists and Fungi Quiz

A short quiz over Ch 7.1 about fungi, protists, and bacteria.

Questions: 8 | Attempts: 5324 | Last updated: Mar 22, 2023

Sample Question
Check all that apply to the Bacteria Kingdom. (3 answers)

Single celled organism single celled organism

Multi-cellular organism

Complex cell structures

Grow fast

Reproduce through spores

Share characteristics with animals, plants, or fungi