This quiz works best with JavaScript enabled. Home > Cbse > Class 3 > Evs > Web Of Life > Class 3 Evs Chapter 24 Web Of Life – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 3 Evs Chapter 24 Web Of Life Quiz 3 (44 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What are the white-colored strings or threads that grow on leaves on the forest floor? A) Mushroom roots. B) Seeds from nearby plants. C) Roots of nearby trees. D) None of the above. Show Answer Correct Answer: A) Mushroom roots. 2. What type of breathing do Zorian and Shelby mainly use? A) Aerobic respiration. B) Talking through minds. C) Turning into plants and using photosynthesis. D) Running on pure annoyance. Show Answer Correct Answer: A) Aerobic respiration. 3. How do trees help animals? A) By giving them air to breathe and food to eat. B) By making noises. C) By walking with them. D) By drinking water. Show Answer Correct Answer: A) By giving them air to breathe and food to eat. 4. Carnivores like lions, tigers, etc. eat plants indirectly. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 5. ..... is a source of fibre in nature A) Sheep. B) Plasctic. C) Wood. D) None of the above. Show Answer Correct Answer: A) Sheep. 6. The ..... is the main source of energy for living beings. A) Moon. B) Sun. C) All the above. D) None of the above. Show Answer Correct Answer: B) Sun. 7. Why are trees a natural resource? A) Because they can never be replaced. B) Because they are made by humans. C) Because they are used for many things. D) Because they come from Earth. Show Answer Correct Answer: D) Because they come from Earth. 8. Which part of the energy pyramid has the most energy?Zorian and Shelby are looking at an energy pyramid for their science project. A) Primary consumers. B) Alien spacecrafts. C) Secondary consumers. D) Top predators. E) Producers. Show Answer Correct Answer: E) Producers. 9. How does having lots of different plants and animals help an ecosystem, according to AJ and Cody's project? A) It turns all animals into unicorns. B) It makes the ecosystem stronger and more able to cope with changes. C) It makes all plants sing in harmony. D) It gives magical powers to squirrels. Show Answer Correct Answer: B) It makes the ecosystem stronger and more able to cope with changes. 10. The plants with a weak stem that creeps along the ground are called ..... A) Climbers. B) Shrubs. C) Trees. D) Creepers. Show Answer Correct Answer: D) Creepers. 11. A food chain starts with an animal. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 12. The animals that eat plant food are known as ..... A) Producers. B) Consumers. C) Decomposersers. D) None of the above. Show Answer Correct Answer: B) Consumers. 13. Decomposers can ..... A) Only be seen under a microscope. B) Create nutrients out of the air that help plants grow. C) Break down waste and dead material into nutrients for plants. D) None of the above. Show Answer Correct Answer: C) Break down waste and dead material into nutrients for plants. 14. Fungi, bacteria, maggots A) Omnivores. B) Decomposersers. C) Carnivores. D) Producers. Show Answer Correct Answer: B) Decomposersers. 15. Shelby and CJ are looking into how plants make their food using sunlight. What's this process called? A) Photosynthesis. B) Plant party under the sun. C) Turning sunlight into dance moves. D) Green things doing green magic. Show Answer Correct Answer: A) Photosynthesis. 16. ..... is an example of decomposer. A) Fish. B) Eagle. C) Bacteria. D) Lion. Show Answer Correct Answer: C) Bacteria. 17. What is the role of sunlight in the web of life? A) It helps plants make their food. B) It makes the Earth cold. C) It keeps animals awake. D) It gives food to animals. Show Answer Correct Answer: A) It helps plants make their food. 18. What do mushrooms eat? A) Dead leaves, insects, or wood. B) Nothing. Mushrooms do not eat. C) Mushrooms eat the white stuff that grows in decomposing leaves. D) None of the above. Show Answer Correct Answer: A) Dead leaves, insects, or wood. 19. Fruit trees are examples of ..... A) Producers. B) Consumers. C) Decomposersers. D) None of the above. Show Answer Correct Answer: A) Producers. 20. What would happen if there were no plants? A) Animals would make their own food. B) There would be less oxygen and food. C) Non-living things would grow. D) Nothing would change. Show Answer Correct Answer: B) There would be less oxygen and food. 21. How can we help increase the variety of life in an ecosystem, based on a project by AJ and Sean? A) Teach fish to walk on land. B) Reduce pollution. C) Have a tea party under the sea. D) Give pep talks to plants. Show Answer Correct Answer: B) Reduce pollution. 22. What would happen if you put a plant in a container with sunlight and water, but no air? A) The plant would grow really tall, but wouldn't be very wide. B) The plant would grow, but couldn't bloom its flowers. C) The plant would die. D) None of the above. Show Answer Correct Answer: C) The plant would die. 23. Organisms which carry out the process of decomposition by breaking down dead or decaying organisms and give off carbon dioxide A) Mold. B) Decomposersers. C) Variable. D) Fungi. E) Spores. Show Answer Correct Answer: B) Decomposersers. 24. A food chain is a good example of interdependence between plants and animals. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 25. Which of these is an example of a living thing depending on a non-living thing? A) A fish swimming in water. B) A bird flying in the air. C) A tree using sunlight. D) All of the above. Show Answer Correct Answer: D) All of the above. 26. During a science project, Cody and Shelby watched how plants make their food. What is the main thing plants make in this process? A) Glittery Rainbows. B) Glucose. C) Invisible Ink. D) Unlimited Wi-Fi. Show Answer Correct Answer: B) Glucose. 27. When you ask "What does it eat" and "What is it eaten by you will find a link that the animal is part of. This is called the A) Food path. B) Food rope. C) Food chain. D) None of the above. Show Answer Correct Answer: C) Food chain. 28. Plants use the sunlight to grow. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 29. Which of the following sustains plant and animal life? A) Rocks. B) Ecosystem. C) Earthworm. D) None of the above. Show Answer Correct Answer: B) Ecosystem. 30. What does the 'web of life' mean? A) Everything is connected and depends on each other. B) Animals live alone. C) Plants and animals do not need each other. D) Non-living things are not important. Show Answer Correct Answer: A) Everything is connected and depends on each other. 31. Why did the pigeons likely all fly away at the same time? A) The pigeons heard a loud noise. B) The pigeons got spooked by a sudden movement. C) The pigeons spotted their predator. D) None of the above. Show Answer Correct Answer: C) The pigeons spotted their predator. 32. What do plants give to animals? A) Shade, oxygen, and food. B) Homes only. C) Water only. D) Nothing. Show Answer Correct Answer: A) Shade, oxygen, and food. 33. The transfer of energy in the form of food from one organism to another is called the food chain. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 34. What gas do plants use for photosynthesis, something AJ and Cody were exploring? A) Unicorn Breath. B) Sparkling Water Vapor. C) Laughter. D) Carbon dioxide. Show Answer Correct Answer: D) Carbon dioxide. 35. Soil provides home to different organisms. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 36. Why is soil important in the web of life? A) It helps animals fly. B) It is used for making toys. C) It provides food for birds. D) It gives plants nutrients to grow. Show Answer Correct Answer: D) It gives plants nutrients to grow. 37. Mold and mushrooms are classified by scientists as A) Fungi. B) Producers. C) Scavengers. D) None of the above. Show Answer Correct Answer: A) Fungi. 38. The transfer of energy in the form of food is called ..... A) Photosynthesis. B) Food chain. C) Breathing. D) None of the above. Show Answer Correct Answer: B) Food chain. 39. A test or experiment in which all variables are kept the same except the variable being tested A) Mold. B) Fungi. C) Spores. D) Fair test. E) Decomposersers. Show Answer Correct Answer: D) Fair test. 40. Snakes, earthworms, caterpillars A) Herbivores. B) Omnivores. C) Carnivores. D) None of the above. Show Answer Correct Answer: D) None of the above. 41. What is the main job of a plant's roots in Shelby and DeAndre's garden project? A) To hold the plant up. B) To soak up water and nutrients from the ground. C) To be a hidden spot for earthworms. D) To surprise gardeners by touching their feet. E) To try out for the main part in 'The Secret Life of Plants:The Musical'. Show Answer Correct Answer: B) To soak up water and nutrients from the ground. 42. Plants can make their own food with the help of sunlight. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 43. A community of organisms interacting with one another and with nonliving factors in an area is called ..... A) Environment. B) Population. C) Ecosystem. D) None of the above. Show Answer Correct Answer: C) Ecosystem. 44. Organisms that cannot make their own food by using sunlight so they absorb nutrients from the dead and decaying materials on which they live. Examples:mold and mushrooms A) Decomposersers. B) Variable. C) Spores. D) Fungi. E) Mold. Show Answer Correct Answer: D) Fungi. ← PreviousRelated QuizzesEvs QuizzesClass 3 QuizzesClass 3 Evs Chapter 24 Web Of Life Quiz 1Class 3 Evs Chapter 24 Web Of Life Quiz 2 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books