Ecosystems and Energy Flow — Practice Quiz
Maharashtra Board · Class 12 · Biology
Try a 4-question quiz on Ecosystems and Energy Flow for Maharashtra Board Class 12 Biology: tap an answer to check it and see why.
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Quick Quiz: Ecosystems and Energy Flow
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Who coined the term 'ecosystem'?
What is the vertical distribution of different species in an ecosystem called?
The formula for Net Primary Productivity (NPP) is:
Which organisms break down detritus into smaller fragments?
Sample Questions
Which of the following are examples of terrestrial ecosystems?
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Forest, Grassland, Desert
Forest, grassland, and desert are land-based ecosystems, while lakes and oceans are aquatic ecosystems.
According to Lindermann's 10% Law, what percentage of energy is transferred to each successive trophic level?
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10%
Lindermann's 10% Law states that only 10% of energy is transferred as net energy from one trophic level to the next, with 90% lost as heat.
Which of the following are types of food chains?
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Grazing food chain, Detritus food chain, Parasitic food chain
The three types of food chains are grazing (starting from producers), detritus (starting from dead matter), and parasitic (involving parasites).
The pyramid of energy is always:
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Upright
The pyramid of energy is always upright because energy decreases at each trophic level due to the 10% law - it can never be inverted.
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