Ecology - Levels of Organisation - Unsolved Practice Set
Chapter: Organisms and Populations | Topic: Ecology Levels of Organisation
ECOLOGY - LEVELS OF ORGANISATION - UNSOLVED PRACTICE SET
Topic: Ecology Levels of Organisation
Multiple Choice Questions
Q1. Ecology is defined as the scientific study of:
- Only individual organisms in isolation
- The interactions between organisms and their environment
- Only human societies
- Only plant classification
Q2. The correct hierarchical order of ecological organisation, from smallest to largest, is:
- Ecosystem, population, organism, community
- Organism, population, community, ecosystem
- Community, organism, ecosystem, population
- Population, ecosystem, organism, community
Q3. A group of individuals of the same species living in a particular geographical area at the same time is called a:
- Community
- Population
- Ecosystem
- Biome
Q4. A community, in ecological terms, refers to:
- A single species living alone
- Populations of different species living and interacting together in a given area
- Only non-living components of an environment
- Only the human population of a region
Q5. The largest level of ecological organisation, encompassing all ecosystems on Earth, is called the:
- Biome
- Community
- Biosphere
- Population
Short Answer Questions
Q6. Define ecology, in your own words.
Q7. Arrange the following in the correct order of ecological organisation: community, ecosystem, population, organism.
Q8. Differentiate between a population and a community.
Q9. What is a biome, and how is it different from an ecosystem?
Long Answer Questions
Q10. Discuss the different levels of ecological organisation, explaining how each level builds upon the one before it, from individual organisms to the biosphere.
Q11. Explain why studying ecology requires attention to multiple levels of organisation, rather than focusing on a single organism alone.
APPLICATION / ANALYSIS
Q12. A researcher is studying how a specific species of deer interacts with its predators, competitors, and food sources within a forest. At which level(s) of ecological organisation is this research primarily focused, and why?
Q13. A school project involves counting the total number of frogs living in a single pond over one breeding season. Identify which level of ecological organisation this project is studying, and explain your reasoning.