Class 4 Science Chapter 2 Test 3 Updated: 11 Jun 2022 73 Welcome to your Class 4 Science Chapter 2 Test 3 1. The animals which eat plants are called ______ Herbivores Carnivores Omnivores None of these 2. In any food chain the first living thing is a ________. Producers Consumers Decomposer All of these 3. The animals which eat both plants and animals are called ______ Herbivores Carnivores Omnivores None of these 4. Corals are a part of beautiful ecosystem under ________ Ground Desert Rock Sea 5. If the number of the aquatic producers increases in a pond beyond the limit, then fish and other living thing will die due to lack of _________. Oxygen Carbon dioxide Hydrogen All of these 6. Corals usually live in form of colony which is called ________. Coral land Coral colony Coral ocean Coral reef 7. ________ are also called rainforests of the ocean. Coral Algae Lotus Bacteria 8. The series of eating and being eaten in an ecosystem is called __________. Balance diet Food chain Carnivores Herbivores 9. The sun is the main source of energy in a/an _______. Electric system Water Ecosystem None of these 10. Which of the following shows the correct food chain in an environment? Sun→Consumers→Producers→Decomposers Sun→Producers→Decomposers→Consumers Sun→Producers→Consumers→Decomposers 11. During respiration animals produce ___________. Oxygen Carbon dioxide Hydrogen All of these 12. The animals which eat other animals are called _________ Herbivores Carnivores Omnivores None of these 13. The plants make food with the help of : Sunlight Carbon dioxide Water All of these 14. In any food chain the ________ living thing is herbivores. First Second Third Fourth 15. In the following food chain Sunlight→Grass→Rabbit→Lion, the relation of loin to rabbit is an example of: Predation Parasitism Mutualism Production Time is Up! Time's up
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