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States of Matter 111
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Solutions 61
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Nomenclature 15
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Hydrocarbons 13
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Alcohols 5
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Ketones 5
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Amines 5
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Polymers 5
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Biomolecules 14
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Proteins 26
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Enzymes 5
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Lipids 14
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Metabolism 40
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Vitamins 6
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Hormones 6
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Prodrugs 5
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Cell Theory 12
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Nucleus 5
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Cell Cycle 18
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Ecosystem 36
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Biomes 24
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Food Chains 16
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Biodiversity 28
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Habitat 5
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Skeletal System 117
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Nervous System 123
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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 5
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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 5
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Mammals 106
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Anatomy 17
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Physiology 25
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Reproduction 26
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Behavior 63
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Bacteriology 33
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Virology 34
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Mycology 16
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Parasitology 59
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Bio Enzymes 21
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Bio Hormones 32
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12th Grade Biology Quizzes, Questions & Answers
Recent Biology Quizzes
This quiz covers key concepts from the first two lectures on blood components, hemoglobin function, and red blood cell morphology.
Questions: 60 | Attempts: 128 | Last updated: Mar 14, 2025
Let's have some fun! To celebrate our 20th Anniversary, OriGene wants to test your life science knowledge! We have created a quiz for you. If you answer all questions correctly, you will automatically enter to win an OriGene...
Questions: 10 | Attempts: 1300 | Last updated: Mar 21, 2025
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Sample QuestionIn what year is OriGene Technologies founded as a research tool company?
The 'Biology 1 Midterm Exam Review A' assesses understanding of fundamental biological concepts such as hypotheses formation, properties of water, carbon-based molecules, and nucleic acids. It's designed to reinforce knowledge...
Questions: 25 | Attempts: 2082 | Last updated: Aug 22, 2025
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Sample QuestionScientists use observations and data to form and test ___.
This quiz explores the mechanisms of positive and negative feedback loops in hormonal regulation, focusing on how the body maintains homeostasis through various physiological responses to changes in blood glucose levels and...
Questions: 5 | Attempts: 9525 | Last updated: Mar 22, 2025
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Sample QuestionIf blood glucose levels fall below normal levels (for instance, during the post-absorptive or fasting state, when nutrients from a recently digested meal are no longer circulating in the blood, or during starvation), insulin secretion is inhibited and, at the same time, the alpha cells of the pancreas respond by secreting glucagon, a hormone that has several important effects: (1) it accelerates the breakdown of glycogen to glucose in liver and skeletal muscle cells; (2) it increases the breakdown of fats to fatty acids and glycerol in adipose tissue and, consequently, the release of these substances into the blood (which cells can thus use for energy); and (3) it stimulates liver cells to increase glucose synthesis (from glycerol absorbed from the blood) and glucose release into the blood. These effects collectively cause an increase in blood glucose levels back to normal levels.
Are you a biology student who is getting ready for their final exams this year? The quiz below is designed to ensure that you are ready for it by giving you a glimpse of how the questions are set up and helping you review the...
Questions: 15 | Attempts: 287 | Last updated: Mar 17, 2025
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Sample QuestionAccording to this image, as light intensity increases, the rate of photosynthesis...
This quiz, part of Test: Group A - Module 3, assesses knowledge in nutritional assessment, including tools like nutritional screening, body cell mass, and the Subjective Global Assessment. It evaluates understanding of body...
Questions: 30 | Attempts: 227 | Last updated: Mar 20, 2025
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Sample QuestionNutritional screening is a tool to rapidly and simply evaluate whether the patient is at risk to be or to become malnourished?
Have you studied biomedical science? Do you have a good understanding of it? Here is a biomedical science quiz consisting of multiple-choice questions on this topic. Try this quiz, and you'll get the chance to refresh your...
Questions: 90 | Attempts: 11482 | Last updated: Sep 1, 2025
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Sample QuestionThe prevention of illness through vaccination occurs due to the formation of ______ cells.
Are you preparing for the AP Biology Exam? This trivia Questions on Introduction to Biology will come in handy when it comes to preparing for it. Don’t doubt yourself so much, do give it a shot and get to see which topics...
Questions: 44 | Attempts: 192 | Last updated: Mar 21, 2025
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Sample Question____ is the unifying concept of biology.
Nervous System Exam: Biology Quiz assesses key concepts related to neuron structure, action potentials, and nerve impulse transmission. It evaluates understanding of sensory neurons, resting potential, and the sodium-potassium...
Questions: 17 | Attempts: 143 | Last updated: Mar 20, 2025
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Sample QuestionPart of a neuron include:
Are you ready for this cranial nerves and brainstem trivia quiz? The cranial nerves are 12 paired nerves in the back of your brain. Cranial nerves help to send electrical signals between your brain, face, neck, and torso. Your...
Questions: 10 | Attempts: 422 | Last updated: Jul 22, 2025
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Sample QuestionThe brainstem contains important reflex centers associated with the control of respiration and the cardiovascular system, and with the control of consciousness.
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