Ecosystems
Geography ⇒ Environmental Geography
Ecosystems starts at 6 and continues till grade 12.
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See sample questions for grade 12
A grassland ecosystem has a net primary productivity (NPP) of 800 g/m²/year and a gross primary productivity (GPP) of 1200 g/m²/year. Calculate the amount of energy used in plant respiration.
Define an ecosystem and explain its main components.
Describe the impact of invasive species on native ecosystems.
Describe the process of biomagnification and its effects on top consumers.
Describe the role of producers in an ecosystem.
Explain the concept of 'ecological balance' and its importance.
Explain the concept of ecological succession.
Explain the difference between a food chain and a food web.
Explain the difference between primary and secondary succession with examples.
Explain the role of humans in disturbing the balance of ecosystems, with reference to Indian examples.
Explain the term 'biogeochemical cycle' and name any two such cycles.
Explain the term 'biome' and give one example relevant to India.
Name any two abiotic factors that influence terrestrial ecosystems.
What is meant by the term 'ecological niche'?
What is the main difference between a natural and an artificial ecosystem?
