Class 4 Science Chapter 2 Test 3 Updated: 11 Jun 2022 780 Welcome to your Class 4 Science Chapter 2 Test 3 1. The animals which eat plants are called ______ Herbivores Carnivores Omnivores None of these None 2. In the following food chain Sunlight→Grass→Rabbit→Lion, the relation of loin to rabbit is an example of: Predation Parasitism Mutualism Production None 3. 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 4. During respiration animals produce ___________. Oxygen Carbon dioxide Hydrogen All of these None 5. In any food chain the third living thing is a ___________. Herbivores Carnivores Omnivores None of these None 6. Corals usually live in form of colony which is called ________. Coral land Coral colony Coral ocean Coral reef None 7. The sun is the main source of energy in a/an _______. Electric system Water Ecosystem None of these None 8. 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 None 9. The series of eating and being eaten in an ecosystem is called __________. Balance diet Food chain Carnivores Herbivores None 10. In any food chain the first living thing is a ________. Producers Consumers Decomposer All of these None 11. Plants produce ______ during photosynthesis. Oxygen Carbon dioxide Hydrogen All of these None 12. The animals which eat both plants and animals are called ______ Herbivores Carnivores Omnivores None of these None 13. The plants make food with the help of : Sunlight Carbon dioxide Water All of these None 14. Animals produce_______ which is used by plants to make food. Oxygen Carbon dioxide Hydrogen All of these None 15. Corals look like stone but actually these are _________. Plants Animals Stone Rock None Time's up
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