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States of Matter 107
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Solutions 61
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Nomenclature 15
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Hydrocarbons 13
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Alcohols 3
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Amines 2
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Polymers 5
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Biomolecules 13
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Proteins 26
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Enzymes 4
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Lipids 14
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Metabolism 39
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Vitamins 5
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Hormones 1
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Alloys 1
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Nucleus 1
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Cell Cycle 18
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Genomics 1
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Ecosystem 35
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Biomes 24
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Food Chains 15
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Biodiversity 23
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Habitat 4
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Skeletal System 116
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Nervous System 111
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Porifera 6
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Cnidaria 6
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Nematoda 6
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Annelida 7
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Arthropoda 12
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Mollusca 4
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Chordata 5
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Fish 76
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Amphibians 10
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Reptiles 14
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Birds 2
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Mammals 106
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Anatomy 17
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Physiology 20
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Reproduction 23
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Behavior 63
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Bacteriology 32
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Virology 33
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Mycology 16
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Parasitology 50
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GMOs 4
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Bio Enzymes 21
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Bio Hormones 32
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B Cells 1
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Clouds 1
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Marine Life 47
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Wetlands 5
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Tsunamis 1
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Biology Quizzes, Questions & Answers
Recent Biology Quizzes
Quiz on the fundamentals of the nervous system and the nervous tissue. This is prep for the next test and practical.
Questions: 98 | Attempts: 1355 | Last updated: Sep 4, 2025
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Sample QuestionThe master controlling and communicating system of the body?
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Sample QuestionWhat is a measure of the energy you get from food?
The human brain is the most powerful organ in the human body and scientists have unlocked much of its secrets and others haven’t. Most of human behavior can be explained by examining a person`s brain. How much do you...
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Sample QuestionBecause the visual system integrates stimuli over time, its performance is relatively
Our Mother Nature, personification of nature that focuses on the life-giving and nurturing aspects of nature, is the most beautiful thing around ourselves.
Here is a MCQ test about our mother nature designed for school...
Questions: 10 | Attempts: 1758 | Last updated: Mar 21, 2025
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Sample QuestionIf a married man refrains from having affairs with other women we can say that he is
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Questions: 105 | Attempts: 9243 | Last updated: Sep 16, 2025
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Sample QuestionLegumes (dry beans) are in which Food Guide Pyramid group?
The cerebellum receives information from the sensory systems, the spinal cord, and other parts of the brain and then regulates motor movements. Damage to the cerebellum can lead to loss of coordination of motor movement or...
Questions: 16 | Attempts: 10774 | Last updated: Mar 22, 2025
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Sample QuestionThe cerebellum is the largest part of the _________.
Know our science Take this quiz.(Recommended for Science Olympiad Contestants)
Questions: 9 | Attempts: 5733 | Last updated: Oct 21, 2025
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Sample QuestionMax is designing an experiment.His question is:What is a logical way to make "ooblay"(cornstarch in water) without making a mess.Which of these answers his question:
These are all questions from the powerpoints from chapter 7,8,9 Good luck!!!
Questions: 74 | Attempts: 194 | Last updated: Mar 21, 2025
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Sample QuestionWhat is a fertilized egg?
This quiz focuses on water-soluble vitamins, assessing knowledge on their functions, sources, and deficiency diseases. It is designed to enhance understanding of vitamin roles in health, aiding in professional and educational...
Questions: 25 | Attempts: 7185 | Last updated: Mar 22, 2025
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Sample QuestionFunctions: collagen synthesis (strengthens blood vessel walls, forms scar tissue, matrix for bone growth), antioxidant, restores vitamin E to active form, hormone synthesis, supports immune cell functions, helps in absorption of iron.
Is your kid a grade 3 student? If you want them to practice asset science, this test will help. This is a short practice quiz for class 3 students who are studying for the ASSET Science test. It is specifically designed to help...
Questions: 10 | Attempts: 18281 | Last updated: Oct 21, 2025
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Sample QuestionWhich of the following covers most of the Earth's surface?
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