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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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Quizzes, Questions & Answers
Recent Quizzes
Complete this quiz on the Embryonic Period of prenatal development. Select the correct answer to each multiple choice question.
Questions: 5 | Attempts: 1818 | Last updated: Jan 3, 2024
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Sample QuestionFrom weeks 2 through 8 of human gestation, the developing human is referred to as a(n):
Explore when you might start your menstrual cycle with our interactive quiz. Assess your physical development signs like breast growth and hair changes. Understand factors like age and family history to gauge readiness for your...
Questions: 12 | Attempts: 3753 | Last updated: May 31, 2024
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Sample QuestionHow old are you?
Welcome to the When Will I Get My First Period Test, a carefully designed tool to help you understand more about your body as you approach this important milestone in your life. Navigating the onset of puberty can be filled with...
Questions: 15 | Attempts: 44390 | Last updated: Apr 21, 2024
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Sample QuestionHow old are you?
Explore key stages of human development with the 'Class 3- Human Growth & Development' quiz. Covering critical periods like organogenesis and susceptibility times for heart and nervous system development, this quiz enhances...
Questions: 7 | Attempts: 265 | Last updated: Jan 25, 2023
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Sample QuestionBest childbearing years ?
Puberty occurs in different ways for both males and females, however, some changes are common between the sexes. Some of these changes are more severe for girls than boys. Do you know them? See just how much you understand...
Questions: 10 | Attempts: 14827 | Last updated: Nov 1, 2024
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Sample QuestionIn males, what age does puberty usually begin?
This Biology 1402 Exam assesses understanding of key differences between protostomes and deuterostomes in embryonic development. Topics include germ layers, cleavage patterns, and embryonic development paths, crucial for students...
Questions: 60 | Attempts: 514 | Last updated: Mar 22, 2023
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Sample QuestionWhich of the following features in embryonic development of deuterostomes does not represent a major difference from protostomes?
This is a quiz to test your knowledge about placenta and some it's function and/or update your knowledge.
Enjoy!
Questions: 10 | Attempts: 730 | Last updated: Mar 21, 2023
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Sample QuestionWhich cells of the blastocyst need to invade the endometrium for the placenta to form?
This quiz assesses knowledge on physical changes during puberty, focusing on the biological transformations in girls and boys. It covers menstruation, hygiene practices, and skin health, providing essential insights for learners...
Questions: 5 | Attempts: 312 | Last updated: Mar 22, 2023
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Sample QuestionWhich of the following is a physical change of girls during puberty?Which of the following is a physical change of girls during puberty?
This quiz tests your knowledge of the content for our first week of Biology!
Questions: 5 | Attempts: 285 | Last updated: Mar 20, 2023
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Sample QuestionHow many sets of chromosomes does a zygote have?
This is a quiz on the Paramecium. Good Luck.
Questions: 61 | Attempts: 3817 | Last updated: Mar 21, 2023
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Sample QuestionTell what each number is on the paramecium. #1
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