12th Biology Ecosystem Quiz for 2026 exam

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Ecosystem MCQ Test Quiz

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Time: 10 Minutes for 10 Question.

12th Biology: Ecosystem

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1. In sedimentary cycles, the reservoir is

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2. In a grassland ecosystem, the pyramid of biomass is

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3. In aquatic ecosystems, the limiting factor for productivity is

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4. In an ecosystem dominated by trees, the pyramid of numbers is

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5. Humification leads to formation of

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6. The second trophic level in a lake is

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7. Decomposition produces

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8. In a forest ecosystem, the pyramid of biomass is

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9. Carnivores belong to

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10. In gaseous cycles, the reservoir is

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Score card Ecosystem Mock Test

Pos.NameScorePoints
1tanishq padhai mew nakli70 %7
2DFJHDF SDGHSH60 %6

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  • Thamaya Hareni
    ★ ★ ★ ★ ★
    July 8, 2025, 5:49 am
    I’m glad that I can win this quiz competition