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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
To all the students out there who are almost doing their exams and need practice on scientific methods, take this quiz. It is specifically designed to find out your knowledge in class about the scientific method.
Questions: 20 | Attempts: 306 | Last updated: Mar 21, 2025
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Sample QuestionA scientist plants two rows of corn for experimentation. She puts fertilizer on row 1 but does not put fertilizer on row 2. Both rows receive the same amount of water and light intensity. She checks the growth of the corn over the course of 5 months. What is one controlled variable in this experiment?
The brain is the single most complex organ in the entire human body, and today we’ll be asking a heap of questions regarding it as we focus on the study of neuroscience – also known as the study of the nervous system....
Questions: 44 | Attempts: 4201 | Last updated: Jun 22, 2025
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Sample QuestionThe right and eft cerebral hemispheres are seperated from each other by
This quiz, titled 'exam 2 food and nutrition', assesses knowledge on various aspects of nutrition such as calorie content in food products, energy expended by the body, basal metabolism, and the thermic effect of food. It is...
Questions: 50 | Attempts: 135 | Last updated: Mar 19, 2025
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Sample QuestionAmount of calories in a low fat vs full fat product
Science is perhaps the greatest study in human history, providing us with answers to the endless questions like “why”, “how” and “what” that we may ask about the universe around us. In the...
Questions: 46 | Attempts: 627 | Last updated: Mar 20, 2025
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Sample Questiondivision carries signals to the smooth muscle in the large intestine.
The MCA's can be a little challenging, especially when you do not take your time to read adequately for the most tested topics. Are you worried about MCAS? Try these past MCAS questions and see how you do! If there are...
Questions: 10 | Attempts: 1387 | Last updated: Mar 21, 2025
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Sample QuestionA tuna is an ocean fish that is well adapted to catiching small, fast-moving prey. Which of the following adaptations most helps a tuna swim fast to catch its prey?
Challenge your knowledge with our Biology Quiz and uncover how much you truly grasp about the science of life. This quiz delves into the fundamental principles of biology, spanning various subfields including cellular...
Questions: 10 | Attempts: 3036 | Last updated: Apr 3, 2025
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Sample QuestionWhat is the basic unit of life?
This quiz measures your knowledge on neuroanatomy and Behavioral Psychology.
Questions: 15 | Attempts: 405 | Last updated: Sep 23, 2025
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Sample QuestionWhich of the following cranial nerves is not directly related to the eye?
The study of biology is what gives us our knowledge of life in the world around us from a scientific standpoint. It allows us to know more about ourselves and what we are comprised of, what the functions of our components are,...
Questions: 10 | Attempts: 15258 | Last updated: Mar 22, 2025
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Sample QuestionWhat is one role of the element phosphorus?
Do you know anything about the fast feed cycle? The well-fed state begins immediately after finishing a meal. The digestion process starts in the mouth, where saliva starts to break the food down. The broken-down parts give...
Questions: 17 | Attempts: 1787 | Last updated: Mar 22, 2025
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Sample QuestionThe high ______ ratio increases the concentration of fructose 2,6-bisphosphate to ____ glycolysis in the well-fed state.
THIS QUIZ QUIZZES OVER BOTH WATER AND FAT SOLUBLE FUNCTIONS AND CHARACTERISTICS
Questions: 7 | Attempts: 2790 | Last updated: Apr 22, 2025
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Sample QuestionWHICH VITAMIN IS A COENZYME REQUIRED FOR OXIDATION OF CARBOHYDRATES AND RIBOSE SYNTHESIS?
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