Environment and Feeding Relationships Class 7 MCQs

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1. What is the term used to describe the place where an organism lives and obtains its food? a) Ecosystem b) Habitat c) Community d) Population
2. Which of the following is a primary consumer in a marine ecosystem? a) Zooplankton b) Seagull c) Tuna fish d) Shark
3. Which of the following is a carnivore in a grassland ecosystem? a) Elephant b) Lion c) Cow d) Grasshopper
4. What is the term used to describe the feeding relationship between organisms in an ecosystem? a) Trophic level b) Food chain c) Biodiversity d) Biomass
5. Which of the following organisms plays a crucial role in recycling nutrients in an ecosystem? a) Primary producers b) Secondary consumers c) Decomposers d) Tertiary consumers
6. What is the primary source of energy for plants? a) Soil b) Air c) Sunlight d) Water
7. Which of the following describes a mutualistic relationship? a) One organism benefits while the other is harmed b) Both organisms benefit c) One organism benefits at the expense of the other d) Both organisms are unaffected
8. What is the term used to describe the specific role or function of an organism within an ecosystem? a) Trophic level b) Niche c) Habitat d) Population
9. Which of the following is NOT an example of a decomposer? a) Fungi b) Bacteria c) Earthworm d) Lion
10. What is the term used to describe the variety of life forms present in an ecosystem? a) Population b) Ecosystem c) Biodiversity d) Habitat