Biology Practice: Ecosystems (Mock Test 2 - Intermediate)
1. The functional role or "occupation" of a species within its ecosystem is referred to as its:
2. Which of the following is a 'Secondary Consumer' in a terrestrial food chain?
3. Edaphic factors in an ecosystem are those related to:
4. Why are decomposers essential for the continuity of an ecosystem?
5. In a food chain: Grass → Deer → Tiger, the Tiger represents the:
6. The pyramid of ________ is always upright and can never be inverted in a natural ecosystem.
7. 'Saprotrophic' nutrition is mostly seen in:
8. Which ecosystem is characterized by high salinity and tidal actions?
9. Flora refers to the ________ of a particular region.
10. A 'Scavenger' differs from a 'Decomposer' because a scavenger:
11. Climatic factors like temperature and light are part of the ________ components.
12. The percentage of energy transferred from one trophic level to the next is approximately:
13. In an aquatic food chain, small fish eating zooplankton are considered:
14. 'Symbiosis' is a relationship where:
15. The interaction where a Lion hunts a Zebra is an example of:
16. 'Detritivores' are organisms that feed on:
17. Which of the following is NOT a consumer?
18. The total amount of living organic matter in a trophic level is its:
19. In a food chain, as we move to higher trophic levels, the number of organisms usually:
20. 'Commensalism' is a relationship where one organism benefits and the other is:
