Class 4 Science Chapter 2 Test 3 Updated: 11 Jun 2022 696 Welcome to your Class 4 Science Chapter 2 Test 3 1. Corals usually live in form of colony which is called ________. Coral land Coral colony Coral ocean Coral reef None 2. Animals produce_______ which is used by plants to make food. Oxygen Carbon dioxide Hydrogen All of these None 3. Plants produce ______ during photosynthesis. Oxygen Carbon dioxide Hydrogen All of these None 4. Which of the following shows the correct food chain in an environment? Sun→Consumers→Producers→Decomposers Sun→Producers→Decomposers→Consumers Sun→Producers→Consumers→Decomposers None 5. The plants make food with the help of : Sunlight Carbon dioxide Water All of these None 6. The animals which eat both plants and animals are called ______ Herbivores Carnivores Omnivores None of these None 7. None 8. In any food chain the ________ living thing is herbivores. First Second Third Fourth None 9. The animals which eat other animals are called _________ Herbivores Carnivores Omnivores None of these None 10. The sun is the main source of energy in a/an _______. Electric system Water Ecosystem None of these None 11. ________ are also called rainforests of the ocean. Coral Algae Lotus Bacteria None 12. The animals which eat plants are called ______ Herbivores Carnivores Omnivores None of these None 13. In any food chain the third living thing is a ___________. Herbivores Carnivores Omnivores None of these None 14. Corals are a part of beautiful ecosystem under ________ Ground Desert Rock Sea None 15. In any food chain the first living thing is a ________. Producers Consumers Decomposer All of these None Time's up
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