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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
The basic unit of the nervous system that carries electrical impulses and transmits signals throughout the body is known as the neuron. A neuron communicates with other neurons at special places called synapses or synaptic...
Questions: 8 | Attempts: 3736 | Last updated: Oct 21, 2025
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Sample QuestionA neuron is another name for
Explore the Ultimate quiz on Vegetarianism to assess your knowledge about dietary choices, health benefits, and nutritional aspects of vegetarian diets. This quiz covers topics like iron absorption, B12 sources, and disease...
Questions: 11 | Attempts: 1172 | Last updated: Mar 21, 2025
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Sample QuestionVegetarians usually have lower: (can click more than one)
This quiz on 'Lipids' explores different types of fats, their roles in the body, and their impact on cardiovascular health. It assesses knowledge of HDL, LDL, and total cholesterol levels, identifying risk factors and treatments...
Questions: 7 | Attempts: 2670 | Last updated: Mar 22, 2025
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Sample QuestionThese are major types of fats, except :
This test is to help you study for you chapter test within this booklet.
Questions: 20 | Attempts: 464 | Last updated: Mar 21, 2025
Explore the intricacies of the brain in this quiz, focusing on its various parts and their functions. Test your knowledge on structures like the hippocampus and amygdala, and understand their roles in learning, memory, and...
Questions: 14 | Attempts: 929 | Last updated: Mar 21, 2025
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Sample QuestionWhich part of the brain controls learning, memory, and the ability to compare sensory information to expectations?
1. Acetylchlorine (Ach)- Voluntary motor control, memory, regulation of attention, learning, and sleeping
2. Dopamine (DA)- motor behavior, motivation,...
Questions: 24 | Attempts: 9653 | Last updated: May 22, 2025
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Sample QuestionWhat is one of the functions of Acetylchlorine?
Get ready to put your knowledge of the human brain to the test with our Brain Quiz! This interactive quiz is designed to challenge your understanding of one of the body's most fascinating and complex organs. This quiz covers...
Questions: 10 | Attempts: 389 | Last updated: Sep 22, 2025
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Sample QuestionWhich structure controls automatic functions like heart rate and blood pressure?
Just for a pre ap biology 1 chemistry of life quiz
Questions: 27 | Attempts: 548 | Last updated: Aug 22, 2025
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Sample QuestionHow can you tell something is living?
The human brains has been said to be a very powerful tool and one does not have to be an Elon to know that science does have a lot of the answers regarding the world we live in. the questions below are designed to test just...
Questions: 10 | Attempts: 202 | Last updated: Mar 20, 2025
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Sample QuestionName the newly classified "dwarf planet".
Short Reviewer on Bio 22 Nervous System based on the Manual by AV Hallare.
Write your answer in ALL CAPS.
Questions: 55 | Attempts: 69 | Last updated: Jul 22, 2025
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Sample QuestionWhich of the following does not exhibit incomplete centralization and cephalization?
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