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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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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 116
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Nervous System 118
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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 23
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Reproduction 26
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Behavior 63
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Bacteriology 33
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Virology 33
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Mycology 16
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Parasitology 53
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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
Human Biology Exam Quiz assesses knowledge on cellular reproduction stages, mitosis, meiosis, and DNA structure. It evaluates understanding of fundamental biological processes and genetic information handling, crucial for...
Questions: 49 | Attempts: 233 | Last updated: Oct 11, 2025
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Sample QuestionIn a cell undergoing cellular reproduction which of the following stages have no chromatids?
The 'Human Biology Exam: MCQ Quiz!' assesses key concepts in human biology, focusing on cellular structures, metabolic processes, and lipid characteristics. Ideal for students preparing for competitive exams or enhancing their...
Questions: 50 | Attempts: 4855 | Last updated: May 20, 2025
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Sample QuestionOne characteristic of lipids is:
You’re two days away from the final and your notes look like a DNA strand had a panic attack. The diagrams? A blur. The vocabulary? A foreign language. Before you spiral into a mitochondria-induced meltdown, hit pause...
Questions: 15 | Attempts: 27699 | Last updated: Jul 21, 2025
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Sample QuestionThe algae at the beginning of the food chain in the figure are
Explore the essentials of the nervous system, focusing on its structure, functions, and divisions. This quiz assesses understanding of the CNS, PNS, somatic and autonomic systems, and the fight or flight response, enhancing...
Questions: 56 | Attempts: 256 | Last updated: Mar 20, 2025
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Sample QuestionWhich one is not a function of the nervous system?
Neuroscience is the detailed study of our nervous systems. It is one of the most extensively studied scientific fields and new discoveries related to it have been made in the past few decades. The following quiz is designed to...
Questions: 15 | Attempts: 2578 | Last updated: Feb 5, 2025
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Sample QuestionA drug that decreases the activity of dopamine within the dorsolateral prefrontal cortex would be expected to
What do you know about homeostasis? Do you think you could pass a Homeostasis trivia quiz? Take 'The GCSE AQA Biology Test' to prove your knowledge. Homeostasis is an automatic process by which an individual tends to...
Questions: 10 | Attempts: 7952 | Last updated: Jul 22, 2025
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Sample QuestionWhat two things from the list below need to be controlled by homeostasis?
The brain is the single most complex organ in the entire human body, and today we’ll be asking a heap of questions regarding it as we focus on the study of neuroscience – also known as the study of the nervous system....
Questions: 44 | Attempts: 4214 | Last updated: Jun 22, 2025
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Sample QuestionThe right and eft cerebral hemispheres are seperated from each other by
This quiz, titled 'exam 2 food and nutrition', assesses knowledge on various aspects of nutrition such as calorie content in food products, energy expended by the body, basal metabolism, and the thermic effect of food. It is...
Questions: 50 | Attempts: 136 | Last updated: Mar 19, 2025
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Sample QuestionAmount of calories in a low fat vs full fat product
Challenge your knowledge with our Biology Quiz and uncover how much you truly grasp about the science of life. This quiz delves into the fundamental principles of biology, spanning various subfields including cellular...
Questions: 10 | Attempts: 3084 | Last updated: Apr 3, 2025
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Sample QuestionWhat is the basic unit of life?
This quiz measures your knowledge on neuroanatomy and Behavioral Psychology.
Questions: 15 | Attempts: 406 | Last updated: Sep 23, 2025
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Sample QuestionWhich of the following cranial nerves is not directly related to the eye?
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