Free biology quizzes
Grade 4 biology quizzes
40 free biology quizzes for Grade 4, each with at least five questions. Topics include Communities and Interdependence, Human Impact on Habitats, Population Balance, and Predators and Prey. Play one on your own, or host it live for a class.
- 🌍 Communities and InterdependenceExplore the fascinating world of ecological communities, where different species live together and depend on each other for survival. Learn…16 questions
- 👥 Human Impact on HabitatsThis quiz explores how human activities change ecosystems and the habitats where animals and plants live. You'll learn about both the probl…17 questions
- ⚖️ Population BalanceExplore how predator and prey populations interact in nature, and discover what happens when these delicate balances are disrupted. This qu…15 questions
- 🐱 Predators and PreyExplore the fascinating relationships between predators and prey in animal communities. Learn how predators hunt, how prey defend themselve…16 questions
- 🕸️ Food WebsExplore the interconnected feeding relationships in ecosystems through food webs. Unlike linear food chains, food webs show how multiple or…17 questions
- 🔗 Food ChainsThis quiz explores the fundamental components of food chains in ecosystems. Students will learn how energy flows from the sun through produ…16 questions
- 🍂 DecomposersDecomposers are nature's recyclers! They break down dead plants and animals, returning nutrients to the soil. This quiz explores bacteria,…15 questions
- 🦁 ConsumersThis quiz explores the world of consumers in habitats and communities. You'll learn what consumers are, how they're classified by diet, and…15 questions
- 🌱 ProducersLearn about producers and their vital role in ecosystems! This quiz covers what producers are, how plants create food using sunlight, water…14 questions
- 🌾 Grassland and Desert HabitatsExplore the unique features of grasslands and deserts—two of Earth's most distinctive biomes. Learn how plants and animals adapt to dry con…14 questions
- 💧 Water HabitatsExplore the amazing world of freshwater and saltwater habitats! Learn about the different organisms that live in ponds, lakes, rivers, and…16 questions
- 🌳 Forest HabitatsDiscover the fascinating world of forest ecosystems! This quiz explores the different layers of forests, the plants and animals that live t…16 questions
- 🏠 What is a Habitat?Discover what habitats are and how they support life! In this quiz, you'll explore the living and non-living parts of different habitats—fo…15 questions
- ♻️ Cycling Matter: Energy and NutrientsExplore how energy flows through ecosystems in one direction and how matter cycles continuously through food chains, decomposition, and nat…16 questions
- 🏭 Human Impact on HabitatsThis quiz explores how human activities affect natural habitats and the organisms that live in them. You'll learn about the harmful effects…17 questions
- ⚖️ Balance and Biodiversity in EcosystemsThis quiz explores ecosystem balance and biodiversity—two core concepts in Ontario Grade 4 Biology. You'll discover how ecosystems maintain…17 questions
- 🌲 Terrestrial Habitats: Forest and SoilExplore the structure and characteristics of land-based habitats, with a focus on forests and soil environments. Learn how biotic and abiot…16 questions
- 🌊 Aquatic Habitats: Ponds and RiversExplore the living worlds of freshwater habitats! Learn to identify ponds, streams, and rivers, discover the plants and animals that live t…16 questions
- 🦷 Adaptations for SurvivalThis quiz explores how plants and animals adapt to survive in their habitats. You'll discover the amazing physical and behavioral traits th…17 questions
- 🦁 Predators and PreyExplore the fascinating relationships between predators and prey in ecosystems around the world. Learn how hunters and hunted interact, how…16 questions
- 🕸️ Food WebsExplore how organisms in a community connect through food relationships. This quiz teaches you to read and interpret food webs, understand…16 questions
- ⛓️ Food ChainsLearn how energy flows through living communities from the sun to plants to animals! This quiz builds your understanding of food chains, fr…17 questions
- 🍄 Decomposers: Breaking It DownThis quiz explores the essential role of decomposers in ecosystems—bacteria, fungi, and certain insects that break down dead matter and ret…16 questions
- 🦌 Consumers: Herbivores, Carnivores, and OmnivoresLearn about the different types of animal consumers and how they fit into food chains and habitats. Explore how herbivores, carnivores, and…16 questions
- 🌱 Producers: Plants and AlgaeThis quiz explores producers—organisms that create their own food using sunlight through photosynthesis. You'll learn to identify plants, t…15 questions
- 👥 Communities and PopulationsExplore the difference between organisms, populations, and communities in ecosystems. Learn how living things interact, depend on each othe…14 questions
- 🏞️ What is a Habitat?A habitat is the physical place where an organism lives. Every habitat contains both biotic (living) factors—like plants and animals—and ab…15 questions
- 🌱 Conservation and ProtectionLearn how individuals and communities work together to protect habitats and endangered species across Ontario and Canada. This quiz explore…15 questions
- 👥 Human Impact on HabitatsExplore how human activities damage ecosystems and harm wildlife. This quiz focuses on identifying pollution types, understanding habitat d…15 questions
- ♻️ Biodiversity and BalanceExplore what biodiversity means and why it matters for healthy ecosystems. Learn how different organisms depend on each other and what happ…14 questions
- 🏘️ Communities and EcosystemsExplore the living and non-living worlds together! This quiz covers what communities and ecosystems are, how organisms interact, and how en…15 questions
- 🧬 Adaptations for SurvivalExplore how organisms develop special traits to thrive in their habitats. Learn the difference between physical and behavioral adaptations,…15 questions
- 🐆 Predators and PreyExplore the dynamic relationships between hunters and hunted in nature! This quiz covers predator and prey definitions, population cycles,…15 questions
- 🕸️ Food Webs and ConnectionsExplore the interconnected relationships between organisms in ecosystems. This quiz focuses on understanding food webs as complex networks…16 questions
- ⛓️ Food Chains and Energy FlowExplore how energy moves through ecosystems! This quiz focuses on understanding food chains, from producers to consumers, and how energy de…16 questions
- 🍄 Decomposers and Nutrient CyclingLearn about the organisms that break down dead plants and animals, and how they return valuable nutrients to the soil. Decomposers like bac…14 questions
- 🦁 Consumers: Herbivores, Carnivores, OmnivoresLearn about the different types of consumers in habitats and communities. Discover how herbivores, carnivores, and omnivores obtain energy…15 questions
- 🌱 Producers: Plants and PhotosynthesisLearn about plants as producers and how they capture energy from the sun to make their own food. Discover why producers are essential for a…15 questions
- 🌍 Types of HabitatsExplore the major habitat types found across Earth, from forests and deserts to oceans and wetlands. Learn how climate, soil, water, light,…15 questions
- 🏠 What Are Habitats?Explore the concept of habitats and learn how living organisms depend on their environments. This quiz covers habitat types, abiotic and bi…15 questions
Practise on your own
Open any quiz and choose Play Solo. No account, no download, and you see your score at the end.
Host it live
Choose Play with Friends to get a game code. Players join from any browser with just a name. Free for up to 10 players.
Make your own
Not quite your topic? Type it, or add your notes or a PDF, and LivQuiz writes a biology quiz for you to edit.
Questions
Common questions.
Are these biology quizzes free?
Yes. Every quiz here is free to play on your own, with no account. Hosting one live for a group is free for up to 10 players.
Do students need an account to play?
No. Play solo straight from the quiz page, or host it live and players join with a game code and a name. Accounts are only needed to keep results over time.
How do I use one with my class?
Open the quiz and choose to play with others. You get a code to put on the board, students join from any browser, and after the game you see how the class did on every question. The free plan hosts 10 players; Student Premium takes 50 and Creator Pro 200.
Can I make my own biology quiz?
Yes. Create a free account, then type a topic or add your notes, a worksheet or a PDF, and LivQuiz writes the questions for you to edit before you play.