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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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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 32
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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
In this quiz, you will be granted an opportunity to demonstrate your understanding of the scientific inquiry.
Questions: 12 | Attempts: 151 | Last updated: Aug 19, 2025
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Sample QuestionYou are the head of the research division of the Leafy Lettuce Company. Your company is experimenting with growing lettuce using hydroponic technology. Hydroponic technology involves growing plants in containers of growth solution in a greenhouse. No soil is used. The growth solution that the company uses contains water, nitrogen, and phosphorus. The company wants to know if adding iron to this formula will improve lettuce growth. What would the INDEPENDENT VARIABLE be in the experiment?
When you are in fifth grade or any grade, there are some commonly tested topics in the exams which we got a glimpse of in the previous quiz. This doesn’t mean that the miscellaneous topics might not be tested too. This is a...
Questions: 20 | Attempts: 265 | Last updated: Oct 21, 2025
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Sample QuestionWhat do the arrows in this diagram represent?
Food science is the analysis of the physical, organic, and chemical composition of food. There are many disciplines involved in food science, including chemistry, engineering, microbiology, and nutrition. This quiz will need to...
Questions: 50 | Attempts: 1451 | Last updated: Sep 1, 2025
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Sample QuestionWhich microorganism is one of the choices used in the culture for the production of yogurt?
Welcome to the 8th Grade Biology Test! This quiz is designed to assess your knowledge and understanding of fundamental biological concepts suitable for 8th-grade students. Explore a range of topics, including cell structure,...
Questions: 20 | Attempts: 11799 | Last updated: Oct 22, 2025
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Sample QuestionOne of the substances that are needed for to photosynthesis process is .......................
Week One: Health Science quiz assesses foundational knowledge of human biology, covering the function and structure of cells, organs, tissues, and body systems. It's designed to enhance understanding of human anatomy and...
Questions: 10 | Attempts: 2698 | Last updated: Mar 22, 2025
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Sample QuestionThe skin is an organ
Take this comprehensive biological science quiz to test your knowledge of various biology topics, from cells to ecosystems. This quiz includes a range of questions on topics such as genetics, evolution, anatomy, and...
Questions: 100 | Attempts: 20128 | Last updated: Oct 17, 2025
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Sample QuestionWhich of the following is not a characteristic of life?
Apologia Biology Quiz 1 assesses foundational concepts in biology, testing knowledge on hypotheses, producers, decomposers, theories, laws, and mutations. This quiz is ideal for learners looking to solidify their understanding of...
Questions: 36 | Attempts: 487 | Last updated: Mar 21, 2025
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Sample QuestionWhen a scientist makes an educated guess that attempts to explain an observation or answer a question, he forms a:
This quiz focuses on the scientific method, assessing knowledge through various scenarios. Participants identify independent and dependent variables in experiments, and formulate hypotheses, enhancing their understanding of...
Questions: 15 | Attempts: 259 | Last updated: Mar 21, 2025
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Sample QuestionOne of my 8th grade STUCO kids want to know – What is the effect of acne medicine on pimple reduction? IDENTIFY the INDEPENDENT VARIABLE
Explore key nutritional concepts in the 'Quick True or False Health Quiz'. Test your understanding of weight loss, protein intake, dietary impacts on cholesterol, and the effectiveness of supplements in managing cravings. Ideal...
Questions: 5 | Attempts: 2601 | Last updated: Mar 21, 2025
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Sample QuestionWeight loss and fat loss is basically the same thing?
Explore the basics of metabolic rates with 'resting metabolic rate (RMR) Unit 9'. This quiz assesses understanding of RMR, daily calorie requirements, and nutrient-related calculations, essential for health professionals and...
Questions: 13 | Attempts: 285 | Last updated: Mar 21, 2025
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Sample QuestionRMR is the number of calories it takes for the body to function daily.