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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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9th Grade Biology Quizzes, Questions & Answers
Recent Biology Quizzes
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: 11310 | Last updated: Apr 22, 2025
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Sample QuestionEdema and hypertension are toxicity symptoms of which major mineral?
If you answered seven out of ten questions correctly in Round I of the Brain Bee Challenge, you're on your way to Round II!
To pass this round you'll need to answer seven out of ten questions correctly. Good luck!
Questions: 10 | Attempts: 17349 | Last updated: Mar 22, 2025
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Sample QuestionWhat part of the brain helps control movement and cognitive processes that require precise timing?
The human body requires seven essential types of nutrients, and the structures that make up the body are composed of nutrients. Nutrition focuses on how diseases, conditions, and problems can be prevented or reduced with a...
Questions: 20 | Attempts: 229 | Last updated: Oct 16, 2025
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Sample QuestionWho is in charge of controlling movements and waves of the gastrointestinal tract?
Whenever we hear of Neuroscience, the brain is the first thing that comes to mind. Neuroscience and Behavior test is a quiz on the study of the nervous system and the resultant effect on the human behavior.
Questions: 72 | Attempts: 2726 | Last updated: Jul 2, 2025
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Sample QuestionSection 1 is the _________________.
HUMAN BIOLOGY AS
A quiz on blood clotting and clotting factors.
Questions: 9 | Attempts: 3368 | Last updated: Mar 21, 2025
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Sample QuestionWhat is the order of clotting?
HUMAN BIOLOGY AS
A quiz on how to take a blood test
Questions: 7 | Attempts: 919 | Last updated: Mar 20, 2025
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Sample QuestionWhy is the equipment used to take a blood sample sterile?
The nervous system has the brain and spinal cord to well coordinate the actions of animals and we have the cranial nerves, which are essentially from the brain. Learn more on their role in the nervous system below.
Questions: 85 | Attempts: 840 | Last updated: Jun 22, 2025
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Sample QuestionWhat is the structure labeled a?
Explore the structural and functional aspects of the human brain in 'Chapter 3: Right Brain\/Left Brain Cerebral Laterality'. This quiz assesses knowledge on cerebral cortex layers, brain hemispheres connectivity, and the impact...
Questions: 10 | Attempts: 129 | Last updated: Mar 7, 2025
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Sample QuestionHow many layers of neurons does the cerebrum cortex have?
Explore the fundamentals of glucose, insulin, and diabetes in this engaging quiz. Understand how glucose serves as a primary energy source, the role of insulin and its receptors, and distinguish between Type 1 and Type 2...
Questions: 11 | Attempts: 613 | Last updated: Mar 20, 2025
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Sample QuestionGlucose is a
Would you say that you could pass this biology test? There are so many types of biology. Modern principles and other fields such as chemistry, medicine, and physics merge to become other subjects. There is biochemistry,...
Questions: 14 | Attempts: 84 | Last updated: Mar 10, 2025
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Sample QuestionMales with an extra __ have been found to be more aggressive.
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