Biology Practice: Ecosystem (Mock Test 1 - Basic Level)
1. The functional unit of the biosphere comprising living organisms and their non-living environment is called:
2. Which of the following is an "Abiotic" component of an ecosystem?
3. Organisms that can prepare their own food using solar energy are known as:
4. Consumers that feed directly on green plants are categorized as:
5. Which of the following is a "Micro-consumer"?
6. A linear sequence of organisms through which energy is transferred is a:
7. Decomposers are also known as:
8. In a food chain, the arrow always points from:
9. Which of the following is an example of an "Artificial Ecosystem"?
10. The primary source of energy for almost all ecosystems is:
11. Multiple interconnected food chains in an ecosystem form a:
12. Which trophic level is always occupied by green plants?
13. Organisms that eat both plants and animals are called:
14. Which of these is a biotic component of a pond ecosystem?
15. The role or "profession" of an organism in its ecosystem is its:
16. Scavengers help the ecosystem by:
17. Which of the following is a primary consumer in a forest?
18. The study of the relationship between living organisms and their environment is:
19. What happens to the energy as it moves to higher trophic levels?
20. The non-living parts of an ecosystem are termed as: