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    - Temperature 15
    - Heat 17
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    - Calorimetry 13
    - Kinetic Theory 42
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  - Optics
    - Optics Reflection 32
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    - Electric Charge 29
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  - Modern Physics
    - Atomic Physics 36
    - Quantum Theory 5
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    - Spectroscopy 1
  - Nuclear Physics
    - Nuclear Radioactivity 13
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    - Half Life 3
    - Physics Nuclear Reactions 3
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    - Nuclear Applications 1
  - Quantum Physics
    - Superposition 3
    - Uncertainty 6
    - Quantum Tunneling 1
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    - Atomic Models 48
    - Photoelectric Effect 7
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  - Relativity
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    - General Theory 7
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    - Mass Energy 15
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  - Astrophysics
    - Stellar Physics 3
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  - Fluid Mechanics
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    - Continuity Equation 1
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  - Measurement and Units
    - SI Units 9
    - Derived Units 7
    - Unit Conversion 11
    - Significant Figures 34
    - Scientific Notation 13
    - Dimensional Analysis 12
    - Accuracy 8
    - Precision 27
    - Error Analysis 29
    - Measuring Instruments 29
- Chemistry
  - Physical Chemistry
    - States of Matter 202
    - Physical Gas Laws 26
    - Chemical Equilibrium 18
    - Ionic Equilibrium 50
    - Solutions 10
    - Colligative Properties 66
    - Chemical Kinetics 18
    - Electrochemistry 12
    - Surface Chemistry 2
    - Physical Quantum Chemistry 1
    - Physical Spectroscopy 5
  - 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
    - Polymer Applications 1
  - 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 1
    - 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
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    - Signal Transduction 6
  - Immunology
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    - Antigens 11
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    - T Cells 6
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    - Cytokines 16
    - Vaccination 17
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    - Hypersensitivity 30
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    - 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 1
    - 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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  - Environmental Geoscience
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    - Renewable Energy 76
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    - Land Use 6
  - Paleontology
    - Fossilization 6
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    - Stratigraphy 13
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    - Watersheds 2
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    - Water Quality 27
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  - Natural Disasters
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    - Floods 6
    - Droughts 1
    - Cyclones 8
    - Tornadoes 4
    - Landslides 3
    - Avalanches 2
    - Wildfires 12
    - Heatwaves 3
    - Blizzards 1
  - Earth Systems and Cycles
    - Geosphere 4
    - 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 3
    - Soil Profile 16
    - Soil Properties 4
    - Soil Fertility 14
    - Soil Physics 1
    - Soil Biology 3
    - Soil Erosion 4
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- Astronomy
  - Observational Astronomy
    - History of Astronomy 18
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  - Solar System
    - Sun 3
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    - Earth 2
    - Moon 21
    - Mars 3
    - Jupiter 2
    - Saturn 14
    - 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
    - Extremophiles 1
    - Habitable Zones 1
    - Biosignatures 4
    - Life Detection 2
    - Mars Life 3
    - Space Missions 5
  - Astronomical Instruments
    - Radio Telescope 2
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    - Photometer 4
    - Planetarium 1
    - Sextant 4
  - Space Exploration and Missions
    - Spacecraft 3
    - Satellites 4
    - 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

9th Grade Biodiversity Quizzes, Questions & Answers

Think your child knows their 9th grade Biodiversity? Read More

Biodiversity Quizzes By Grade

3rd Grade 4th Grade 5th Grade 6th Grade 7th Grade 8th Grade 9th Grade 11th Grade

Find More 9th Grade Subject Quizzes

Periodic Table Nervous System Dna Structure Photosynthesis Classification Chemical Bonding Non Mendelian Inheritance Biodiversity Forces Food Chains Plate Tectonics Current Electricity Resistivity Natural Selection Genetic Disorders

Top Trending Biodiversity Quizzes

Sustainability And Biodiversity Multiple Choice Quiz

Take this sustainability and biodiversity quiz today to find out exactly how much you know about the topic. This test is designed in a way so as to be able to determine the level of your retained knowledge and provide you with a...

Questions: 15 | Attempts: 17493 | Last updated: Mar 22, 2023

Sample Question
From the following, what is an example of stewardship?

Bioaugmentation

Deforestation

Extinction

Biomagnification

The Ultimate Ecology Quiz

Ecology deals with a species interaction with its immediate surroundings. It is an expansive science that combines various aspects of biology, geography, and geology. The following quiz asks some basic ecology questions that may...

Questions: 12 | Attempts: 1153 | Last updated: Mar 22, 2023

Sample Question
Where would competition be more intense -> Between the same species (intraspecific) or between two different species (interspecific)?

Intraspecific

Interspecific

Neither - they're both equal in intensity

Prey competition - intraspecific. Predator - Interspecific.

Environmental Science Test Quiz

When we start to dive into a topic like environmental science, most tend to realise early on how daunting it can be. The sheer amount of information involved is simply overwhelming at times, but this environmental science...

Questions: 11 | Attempts: 2953 | Last updated: Mar 22, 2023

Sample Question
All of the following disciplines are major contributors to the field of environmental science except

Linguistics and physics

Biology and earth science

Social sciences

Test your knowledge about Invasive Species

Test Your Knowledge About Invasive Species

When a species is brought outside of its native range, it is referred to as an alien species. Take this quiz to test your knowledge about Invasive Species. Invasive Alien species compete with native species for resources,...

Questions: 10 | Attempts: 304 | Last updated: May 24, 2023

Sample Question
Invasive Alien Species are also called

Native Species

Introduced species

Endangered Species

Dangerous Species

Nature Cycle: Ecology Trivia Quiz

There is always something to learn about nature, isn't it? It's an ecology trivia quiz for nature lovers. Ecology is a study that focuses on the environment and the interactions between organisms and their surroundings....

Questions: 10 | Attempts: 2480 | Last updated: Aug 22, 2024

Sample Question
In some parts of the world, rainforests are being cut down to make land available for new homes. How does the loss of these trees impact the carbon cycle?

The trees will no longer be able to undergo photosynthesis which will decrease the amount of oxygen within the atmosphere.

The trees will no longer be able to undergo photosynthesis which will decrease the amount of carbon removed from the atmosphere.

The trees will no longer be able to undergo respiration which will cause the amount of carbon within the atmosphere to be removed.

The trees will no longer be able to undergo respiration which will decrease the amount of fossil fuels produced.

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Do you know about the nonnative species? Let's check your knowledge with this nonnative species in aquatic ecosystems quiz. When it comes to aquatic life or aquatic ecosystem, there are several nonnative species. In this...

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Sample Question
Which of the following perfectly describes chemical species control?

Net barriers

Herbicides

Inspections

Mowing

What Do You Know About Environmental Studies?

What do you know about environmental studies?

Environmental studies are a multiple sided academic field discipline. What does environmental studies really teach about? Do you think you know? Try out this quiz.

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Sample Question
Where was BS in environmental studies established?

Oxford University

Stanford University

New York State college

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Sample Question
What percentage of aerosols in the atmosphere is generated by human activity?

90%

60%

20%

10%

Environmental Science Terminologies Quiz

Environmental science terminologies quiz

Within any realm of science, you’re going to come across a vast amount of vocabulary unique to the topic, which are likely to trip you up if you’re not paying attention. In this environmental science terminologies...

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Dependence is what?

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Industrial Process

Child

Reliance On Substance

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Explore key biological concepts through the 'Biology EOC Practice Questions - Bank 1'. This quiz assesses understanding of scientific models, biodiversity, homeostasis, natural selection, and ecosystem dynamics. Ideal for...

Questions: 37 | Attempts: 851 | Last updated: Sep 1, 2023

Sample Question
Which of the following is not an example of a scientific model?

A diagram of a plant cell

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A 3-D computer image of an atom

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