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    - Temperature 14
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  - Modern Physics
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  - Astrophysics
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- 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
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    - Surface Chemistry 2
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  - 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
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    - Titrations 3
    - Gravimetric Analysis 5
    - Chromatography 4
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    - Electroanalytical Methods 10
    - Mass Spectrometry 5
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  - Biochemistry
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    - Proteins 30
    - Enzymes 24
    - Lipids 46
    - Nucleic Acids 8
    - Metabolism 4
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    - Vitamins 30
    - Hormones 12
    - Cell Signaling 16
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  - Environmental Chemistry
    - Air Pollution 17
    - Water Pollution 20
    - Soil Pollution 4
    - Waste Management 53
    - Ozone Depletion 9
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    - Eutrophication 2
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  - Industrial Chemistry
    - Cement 3
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    - Dyes 1
    - Paints 1
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    - Food Chemistry 12
    - Pulp and Paper 2
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  - Nuclear Chemistry
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    - Radioisotopes 8
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  - Polymer Chemistry
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  - Theoretical Chemistry
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    - 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
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  - 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
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    - 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
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    - 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
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    - Integumentary System 35
    - Sensory Organs 191
  - Botany Plant Biology
    - Plant Anatomy 5
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    - Photosynthesis 104
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    - Economic Botany 44
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  - Zoology Animal Biology
    - Classification 243
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    - Platyhelminthes 32
    - Nematoda 17
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    - Mollusca 15
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    - Chordata 13
    - Fish 26
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    - Reptiles 41
    - Birds 60
    - Mammals 38
    - Anatomy 17
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    - Reproduction 36
    - Development 10
    - Behavior 123
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    - Microbial Genetics 2
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  - Biotechnology
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    - Bioinformatics 5
    - GMOs 11
    - Proteomics 1
    - Metabolomics 3
  - Molecular Biology
    - Biological Biomolecules 17
    - Carbohydrates 27
    - Biochemical Lipids 2
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    - Bio Nucleic Acids 21
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  - Immunology
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- Earth and Space Science
  - Geology
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    - Weathering 14
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    - Soil 8
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    - Geological Time 23
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    - Natural Resources 25
  - Meteorology
    - Metrological Atmosphere 12
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  - Soil Science
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- Astronomy
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  - Exoplanets
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  - Astrobiology
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  - 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

6th Grade Extinction Quizzes, Questions & Answers

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Unit A: Continuity Of Life

This “Continuity of Life” quiz deals with a wide range of biological topics, on which you will be tested today. Know your stuff about RNA, invertebrates, sunlight, disease, organisms, extinction and fossils? Test...

Questions: 14 | Attempts: 390 | Last updated: Mar 21, 2023

Sample Question 1
A particular multicellular organism neither makes nor eats food. This organism is classified in which kingdom?

Animalia

Fungi

Plantae

Protista

Sample Question 2
What causes infectious disease?

Poor nutrition

Lack of exercise

Viruses and bacteria

Inherited conditions

Sample Question 3
Which statement about RNA is NOT true?

It forms one strand.

One of its bases is uracil.

It builds up to form genes.

It is used to create proteins.