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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 4
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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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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 110
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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 19
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Reproduction 23
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Behavior 63
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Bacteriology 32
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Virology 32
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Mycology 16
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Parasitology 51
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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
Good luck for students who have to take PMR exam soon~~
Questions: 21 | Attempts: 694 | Last updated: Mar 21, 2023
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Sample Question1. What is the meaning of inhalation?
Welcome to the Central Nervous System Quiz. This quiz is designed to test your knowledge about the central nervous system (CNS), which includes the brain and spinal cord. The CNS is responsible for controlling most functions of...
Questions: 15 | Attempts: 82625 | Last updated: Jun 6, 2024
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Sample QuestionWhat is the primary job of the nervous system?
If you fail, you can no longer drink energy drinks.
Questions: 10 | Attempts: 1171 | Last updated: Aug 2, 2024
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Sample QuestionThe Food and Drug Administration regulates the production and advertising of energy drinks.
Explore the complexities of the human brain with the 'True or False - Brain Quiz'. This quiz assesses knowledge on brain composition, energy usage, aging effects, and pain sensitivity. It's designed to enlighten and challenge...
Questions: 20 | Attempts: 4805 | Last updated: Apr 26, 2024
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Sample QuestionThe average human brain is made up of water up to 80%
Quiz for seventh graders in their first weeks of a Biology Unit
Questions: 13 | Attempts: 244 | Last updated: Mar 21, 2023
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Sample QuestionWhich of the following is not used by all living things:
It’s the study of all life that inhabits the world around us, looking at topics like how we reproduce, what organs we are made up of and how they function and even what the small building blocks in our bodies, the...
Questions: 23 | Attempts: 715 | Last updated: Jan 20, 2025
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Sample QuestionWhich of the following processes is NOT a component of cellular respiration?
Ignite curiosity with this engaging science quiz for grade 3! Explore fundamental scientific concepts through fun and interactive questions. This quiz covers a range of topics suitable for young learners, from the animal kingdom...
Questions: 15 | Attempts: 49514 | Last updated: Jun 23, 2025
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Sample QuestionWhat is the biggest planet?
Explore fundamental science concepts through this engaging quiz! Covering topics from laboratory safety and animal adaptations to physical phenomena and life cycles, this quiz enhances understanding and assesses key scientific...
Questions: 14 | Attempts: 170 | Last updated: Mar 20, 2023
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Sample QuestionWhich of the following items is necessary in a laboratory for safety purposes?
Are you smarter than a Brain Bee contestant? The following 10 questions were used in high school Brain Bee competitions (live Q&A competitions that test neuroscience knowledge). These competitions can span several rounds, but...
Questions: 10 | Attempts: 21188 | Last updated: Apr 13, 2023
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Sample QuestionTo the closest pound, how heavy is the average adult brain?
Take this quiz and learn more about the level of functional and metabolic efficiency of a living organism. Let's start this awesome quiz now!
Questions: 30 | Attempts: 1113 | Last updated: Mar 22, 2023
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Sample QuestionThe process in which foods you eat are broken down and absorbed is called
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