Environment and Feeding Relationships Class 7 MCQs

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1. Which of the following is NOT a primary producer? a) Grass b) Algae c) Deer d) Trees
2. Which of the following is an example of a secondary consumer? a) Snake b) Grasshopper c) Cow d) Rabbit
3. What is the term used for an organism that feeds on both plants and animals? a) Carnivore b) Herbivore c) Omnivore d) Decomposer
4. Which of the following organisms is a detritivore? a) Eagle b) Earthworm c) Lion d) Rabbit
5. What is the term used to describe the total mass of living organisms in a particular habitat or area? a) Biodiversity b) Biomass c) Biome d) Biogeochemistry
6. What is the primary function of decomposers in an ecosystem? a) To produce energy b) To break down dead organic matter c) To consume primary producers d) To regulate the population of consumers
7. Which of the following is NOT an example of an abiotic factor? a) Temperature b) Soil c) Sunlight d) Lion
8. What is the term used for a group of different species living and interacting with each other in a specific area? a) Population b) Ecosystem c) Community d) Habitat
9. Which of the following organisms occupies the highest trophic level in a food chain? a) Primary producer b) Primary consumer c) Secondary consumer d) Tertiary consumer
10. In a food chain, what is the role of the top predator? a) To regulate the population of primary producers b) To control the population of decomposers c) To maintain the balance of the ecosystem d) To control the population of primary consumers