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Science · 2025 · 3 marks
CBSE 2025 · Region 4 · Set 1 · Q33
What are decomposers? Give two examples. State how they maintain a balance in an ecosystem.
What are decomposers? Give two examples. State how they maintain a balance in an ecosystem.
Marking-scheme solution
Decomposers are the microorganisms which breakdown the complex organic substances into simple inorganic substances.
Examples: bacteria and fungi
The simple substances formed by decomposition go into the soil and are used up once more by the plants, thus maintain balance of ecosystem..
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