Practice Ecology and Environment – GK Quiz with Answers – Level 1

What do all the interacting organisms of an area and the non-living components of that area together form?

Which of the following is an abiotic component of an ecosystem?

Which organisms act as decomposers in an ecosystem?

What is each step of a food chain called?

At which trophic level are producers found in a food chain?

What is the branching network formed by many interconnected food chains called?

In a terrestrial ecosystem, green plants convert about what percentage of the sunlight falling on their leaves into food energy?

How does energy flow in an ecosystem?

How many steps does a food chain usually have?

What is the build-up of non-degradable chemicals such as pesticides at each level of a food chain called?