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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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11th Grade Biology Quizzes, Questions & Answers
Recent Biology Quizzes
Biology simply means the study of life. Biology is one of the most important branches of science. This is a human biology quiz which has revision questions on human transport system, nutrition, respiration and...
Questions: 10 | Attempts: 895 | Last updated: Mar 21, 2025
This is the second practice quiz for final exam review.
Questions: 10 | Attempts: 270 | Last updated: Mar 21, 2025
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Sample QuestionWhich of the following does NOT lead to genetic recombination?
You’ve put in a lot of work to get to this point, ladies and gentlemen, but it’s time for your end of course examinations! We’re going to find out what you’ve learned about the scientific study of life...
Questions: 25 | Attempts: 2627 | Last updated: Oct 16, 2025
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Sample QuestionLemurs’ bodies are adapted to efficiently store energy for times when food is scarce. This adaptation may help to explain how lemur ancestors survived the trip across the Mozambique Channel from mainland Africa to Madagascar. Which of the following types of molecules are primarily used for long-term energy storage in the lemur?
Another chance to practice for our quiz & unit test.... do you know your glands, hormones & definitions?
Questions: 15 | Attempts: 1998 | Last updated: Mar 21, 2025
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Sample QuestionWhich of the following thermoregulatory responses would be considered a strictly behavioural response (not physiological)?
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: 232 | 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: 4805 | Last updated: May 20, 2025
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Sample QuestionOne characteristic of lipids is:
A general revision test for the first 4 topics of the B1 course
Questions: 35 | Attempts: 15447 | Last updated: Jun 22, 2025
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Sample QuestionWhich of the following is not a good adaptation for a plant in arid conditions?
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: 27390 | 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: 255 | 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: 2541 | 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
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