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    - Gravitation 9
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    - Physics Nuclear Reactions 5
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- Chemistry
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    - Acids & Bases 53
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  - Organic Chemistry
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    - Organic Biomolecules 5
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  - Analytical Chemistry
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    - Electroanalytical Methods 3
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  - Biochemistry
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    - Proteins 26
    - Enzymes 5
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    - Vitamins 6
    - Hormones 6
    - Cell Signaling 5
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  - Environmental Chemistry
    - Air Pollution 5
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    - Soil Pollution 5
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  - Industrial Chemistry
    - Petrochemicals 5
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    - Cement 5
    - Glass 5
    - Fertilizers 5
    - Dyes 5
    - Paints 5
    - Pharmaceuticals 5
    - Food Chemistry 9
    - Pulp & Paper 4
    - Industrial Metallurgy 6
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    - Detergents 5
  - Nuclear Chemistry
    - Chemistry Radioactivity 7
    - Chemistry Nuclear Reactions 5
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    - Nuclear Fusion 4
    - Chemistry Half Life 5
    - Radioisotopes 5
    - Nuclear Energy 5
    - Radiation Detection 5
    - Nuclear Safety 38
  - Polymer Chemistry
    - Polymerization 5
    - Addition Polymers 5
    - Condensation Polymers 5
    - Copolymers 5
    - Biodegradable Polymers 5
    - Natural Polymers 4
    - Synthetic Polymers 5
    - Elastomers 4
    - Thermoplastics 5
    - Thermosetting Polymers 5
    - Polymer Properties 6
    - Polymer Applications 5
  - Theoretical Chemistry
    - Quantum Chemistry 5
    - Molecular Modeling 16
    - Computational Chemistry 5
    - Statistical Mechanics 5
    - Chemical Thermodynamics 47
    - Reaction Dynamics 81
    - Electronic Structure 100
    - Molecular Dynamics 19
    - Spectroscopy Theory 5
  - Medicinal Chemistry
    - Drug Design 4
    - Pharmacokinetics 5
    - Pharmacodynamics 5
    - Drug Metabolism 5
    - Enzyme Inhibition 5
    - Receptor Binding 5
    - Structure Activity 5
    - Prodrugs 5
    - Natural Products 5
    - Peptidomimetics 5
  - Green Chemistry
    - Sustainable Design 4
    - Renewable Resources 4
    - Waste Prevention 5
    - Energy Efficiency 5
    - Catalysis 4
    - Biodegradable Materials 5
    - Green Synthesis 5
    - Solvent Reduction 5
    - Atom Economy 5
    - Life Cycle Analysis 5
    - Pollution Prevention 5
  - Materials Chemistry
    - Crystal Structure 6
    - Band Theory 5
    - Materials Polymers 4
    - Ceramics 5
    - Composites 8
    - Nanomaterials 6
    - Biomaterials 5
    - Corrosion 5
    - Alloys 6
    - Superconductors 5
    - Thin Films 5
    - Magnetic Materials 5
    - Optical Materials 5
- Biology
  - Cell Biology
    - Cell Theory 12
    - Prokaryotic Cells 6
    - Eukaryotic Cells 5
    - Cell Organelles 11
    - Cell Membrane 25
    - Cell Wall 5
    - Cytoplasm 7
    - Nucleus 5
    - Mitochondria 5
    - Chloroplasts 5
    - Ribosomes 5
    - Endoplasmic Reticulum 5
    - Golgi Apparatus 5
    - Lysosomes 5
    - Cytoskeleton 5
    - Cell Division 32
    - Cell Cycle 18
    - Transport Mechanisms 28
    - Cell Communication 5
  - Genetics
    - DNA Structure 5
    - RNA Structure 5
    - Gene Expression 8
    - Biological Genetic Code 5
    - DNA Replication 5
    - Transcription 5
    - Translation 5
    - Mutation 4
    - Mendelian Inheritance 5
    - Non Mendelian Inheritance 5
    - Genetic Disorders 7
    - Genetic Mapping 5
    - Genetic Engineering 5
    - Genomics 5
    - Epigenetics 5
  - Evolution
    - Origin of Life 9
    - Theories of Evolution 5
    - Natural Selection 6
    - Variation 5
    - Adaptation 5
    - Speciation 5
    - Fossil Record 5
    - Comparative Anatomy 12
    - Molecular Evidence 8
    - Human Evolution 5
    - Coevolution 5
    - Extinction 5
  - Ecology
    - Ecosystem 36
    - Biomes 24
    - Population Ecology 12
    - Community Ecology 5
    - Food Chains 16
    - Food Webs 5
    - Ecological Energy Flow 5
    - Nutrient Cycles 13
    - Biodiversity 28
    - Ecological Conservation 46
    - Habitat 5
    - Succession 5
    - Ecological Adaptation 11
    - Human Impact 5
    - Ecological Climate Change 5
  - Human Anatomy & Physiology
    - Skeletal System 117
    - Muscular System 69
    - Nervous System 123
    - Endocrine System 78
    - Circulatory System 90
    - Respiratory System 44
    - Digestive System 46
    - Excretory System 10
    - Reproductive System 120
    - Immune System 11
    - Integumentary System 21
    - Sensory Organs 57
  - Botany Plant Biology
    - Plant Anatomy 38
    - Plant Morphology 5
    - Plant Physiology 68
    - Photosynthesis 53
    - Plant Reproduction 22
    - Plant Growth 5
    - Plant Hormones 5
    - Plant Taxonomy 43
    - Plant Ecology 19
    - Plant Pathology 6
    - Economic Botany 5
    - Seed Biology 5
    - Plant Genetics 6
    - Plant Adaptations 5
  - Zoology Animal Biology
    - Classification 38
    - Porifera 6
    - Cnidaria 6
    - Platyhelminthes 5
    - Nematoda 6
    - Annelida 7
    - Arthropoda 12
    - Mollusca 5
    - Echinodermata 6
    - Chordata 5
    - Fish 76
    - Amphibians 10
    - Reptiles 14
    - Birds 5
    - Mammals 106
    - Anatomy 17
    - Physiology 25
    - Reproduction 26
    - Development 6
    - Behavior 63
  - Microbiology
    - Microbial Structure 5
    - Bacteriology 33
    - Virology 34
    - Mycology 16
    - Parasitology 59
    - Microbial Genetics 5
    - Microbial Physiology 5
    - Microbial Ecology 11
    - Pathogenic Microbiology 18
    - Microbial Biotechnology 5
    - Food Microbiology 5
    - Industrial Microbiology 5
    - Environmental Microbiology 5
  - Biotechnology
    - Bio Genetic Engineering 5
    - Recombinant DNA 5
    - Cloning 5
    - PCR 5
    - Gel Electrophoresis 5
    - DNA Sequencing 5
    - Gene Therapy 5
    - CRISPR 5
    - Stem Cells 5
    - Bioreactors 5
    - Fermentation 5
    - Bioinformatics 6
    - GMOs 5
    - Proteomics 5
    - Metabolomics 5
  - Molecular Biology
    - Biological Biomolecules 8
    - Carbohydrates 6
    - Biochemical Lipids 9
    - Bio Proteins 5
    - Bio Enzymes 21
    - Bio Nucleic Acids 5
    - Biochemical Vitamins 5
    - Bio Minerals 6
    - Bio Metabolism 60
    - Cellular Respiration 22
    - Nitrogen Metabolism 5
    - Bio Hormones 32
    - Signal Transduction 5
  - Immunology
    - Innate Immunity 5
    - Adaptive Immunity 5
    - Antigens 6
    - Antibodies 4
    - Lymphatic System 6
    - B Cells 5
    - T Cells 5
    - Immune Response 3
    - Cytokines 5
    - Vaccination 5
    - Immunodeficiency 5
    - Hypersensitivity 5
    - Autoimmunity 5
    - Transplant Immunology 5
    - Tumor Immunology 5
  - Developmental Biology
    - Gametogenesis 5
    - Fertilization 9
    - Cleavage 6
    - Gastrulation 5
    - Organogenesis 5
    - Metamorphosis 6
    - Regeneration 5
    - Growth 4
    - Aging 5
- Earth & Space Science
  - Geology
    - Minerals 32
    - Rocks 27
    - Geological Rock Cycle 17
    - Plate Tectonics 43
    - Geological Volcanoes 25
    - Geological Earthquakes 5
    - Weathering 16
    - Erosion 11
    - Soil 5
    - Fossils 5
    - Geological Time 6
    - Geomorphology 12
    - Geological Groundwater 5
    - Natural Resources 7
  - Meteorology
    - Metrological Atmosphere 5
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    - Climate 5
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    - Precipitation 5
    - Air Pressure 5
    - Wind 5
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    - Hurricanes 5
    - Metrological Tornadoes 5
    - Weather Forecasting 5
    - Metrological Climate Change 5
  - Oceanography
    - Ocean Basins 5
    - Waves 5
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    - Currents 5
    - Marine Life 47
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  - Environmental Geoscience
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  - Paleontology
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  - Earth Systems & Cycles
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Exams & Certifications

7th Grade Biology Quizzes, Questions & Answers

Recent Biology Quizzes

Take This Quiz To Test Your Biology Knowledge

Biology is one of the topics in which we can take up to get the answers about life on earth, what is of the norm and what is not. Do you consider yourself to be quite knowledgeable when it comes to biology, or do you wish you...

Questions: 10 | Attempts: 461 | Last updated: Sep 10, 2025

Sample Question
What is CHONPS?

Carbon, hydrogen, oxegen, nitrogen, phospherous, and sulfer

Hydrogen, sulfer, and oxegen

Sulfer, oxegen, carbon, and nitrogen

Oxegen, sulfer, and carbon

Intro To Vitamins and Minerals

Explore key aspects of vitamins and minerals in this quiz. Topics include the properties of vitamin A, its storage, and deficiency signs, alongside other fat-soluble vitamins. This quiz is designed to enhance understanding of...

Questions: 60 | Attempts: 800 | Last updated: Mar 21, 2025

Sample Question
Preformed vitamin a found in animal derived foods

Retinol

Beta carotene

Bioflavinoid

Antioxidant

Test Your Brain With Facts and Questions About The Brain:Â Neuroscience Quiz

Test your brain with facts and questions about the brain !

Questions: 20 | Attempts: 913 | Last updated: Mar 20, 2025

Sample Question
What if we lined up all the neurons in our body? How long would that line stretch?

100,000,000,000 neurons x 10 microns= 1000 km or about 600 miles

100,000,000,000,000 neuron x 10 microns= 5000 km or about 500 miles

10 neurons x 10 microns= 100 km or about 60 miles

1,000 neurons x 10 microns= 1000 km or about 600 miles

7th Grade Science Assessment

This 7th grade Science Assessment evaluates students' understanding of the scientific method, experiment design, data types, biological systems, and trade-offs in medical testing. It aims to build foundational scientific literacy...

Questions: 20 | Attempts: 263 | Last updated: Oct 2, 2025

Sample Question
What is the Scienctific Method in order from start to finish for an experiment?

Materials, data and results, hypothesis, problem, conclusion, procudures

Problem, hypothesis, materials, procedures, data and results, conclusion

Hypothesis, problem, data and results, materials, procedures, conclusion

Data and results, materials, hypothesis, problem, procedures, conclusion

A Human Biology Quiz Questions and Answers

The human brain has a memory capacity, which is the equivalent of more than four terabytes on a hard drive. The body is at risk of contracting a lot of diseases and one needs to know the tall tell signs before they progress....

Questions: 5 | Attempts: 426 | Last updated: Sep 20, 2025

Easy Basic Biology Test

Biology is a very interesting study in which we get to understand more about our environment and how we as human beings affect it and coexist with other living things. Are you looking for a quiz that will measure your basic...

Questions: 10 | Attempts: 6194 | Last updated: Mar 22, 2025

Sample Question
Ability to adjust to living with nature is

Attempt

Adaptation

Assimilation

Fighting

Quiz On Nutritional Needs

We welcome you to this quiz on nutritional needs. A quiz designed to assess students' knowledge of the different nutritional needs of humans through the life cycle. Do you believe you know enough about human nutritional...

Questions: 12 | Attempts: 1640 | Last updated: Aug 22, 2025

Sample Question
Infants should avoid unpasteurized foods such as blue cheeses and pate as they are susceptible to food poisoning.

True

False

Basic Aptitude Test On Math and Biology! Quiz

There is a lot that we have had to learn in math and biology class and below is a basic aptitude test on math and biology that is designed to see just how much revision you may need to do before the final exams. Do give it a try...

Questions: 5 | Attempts: 917 | Last updated: Mar 20, 2025

Sample Question
Solve for n: 4n = 28

32

24

7

6

AQA Biology B1, Unit 1. 1-keeping Healthy

Explore the essentials of maintaining health through nutrition with the AQA Biology B1, Unit 1.1 - Keeping Healthy quiz. Assess your understanding of balanced diets, energy sources, essential nutrients, effects of unbalanced...

Questions: 21 | Attempts: 157 | Last updated: Feb 5, 2025

Major & Trace Mineral Quiz

Explore the role of major and trace minerals in human health through this engaging quiz. Test your knowledge on sources, functions, and deficiency symptoms of minerals like Sodium, Copper, and Iodine, essential for maintaining...

Questions: 27 | Attempts: 11355 | Last updated: Apr 22, 2025

Sample Question
Edema and hypertension are toxicity symptoms of which major mineral?

Sodium

Calcium

Magnesium

Sulfate

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