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Ecosystem Quiz

Class XII
Biology
Ecosystem
12 questions
HARD

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1. What is the primary source of energy for an ecosystem?

Chemicals · Solar energy · Wind energy · Geothermal energy

2. Which of the following is a biotic component of an ecosystem?

Water · Soil · Fungi · Air

3. What is the term for the maximum population size that an environment can sustain?

Carrying capacity · Population density · Biomass · Ecological footprint

4. In a food chain, which of the following represents primary consumers?

Herbivores · Carnivores · Decomposers · Producers

5. Which of the following processes is responsible for the conversion of nitrogen gas into a usable form for plants?

Nitrogen fixation · Nitrification · Ammonification · Denitrification