Biosphere (Ecosystem) and Biomes
Telangana Open School (TOSS) · Class 12 · Geography
Most important questions from Biosphere (Ecosystem) and Biomes for Telangana Open School (TOSS) Class 12 Geography board exam 2026. MCQs, short answer, and long answer questions with marks.
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Sample Questions
Which of the following is a terrestrial ecosystem?
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Forest
Terrestrial ecosystems are land-based, such as forests, deserts, and grasslands.
What percentage of Earth's surface is covered by aquatic ecosystems?
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71%
Aquatic ecosystems cover about 71% of Earth's surface.
Which of the following is a primary consumer in a food chain?
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Grasshopper
Primary consumers eat producers. Grasshoppers eat grass, so they are primary consumers.
In a food chain, energy flows from:
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Producers to Consumers
Energy flows from producers (like plants) to consumers (like herbivores and carnivores).
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