Question

Which of the following are decomposers?

• A. Fungi and algae
• B. Fungi and virus
• C. Fungi and bacteria
• D. Fungi, bacteria and virus

Hint:

Decomposers recycle nutrients, making them available for producers in ecosystems.

Answer 1

The Correct Option is C

Step 1: Definition.
Decomposers are organisms that break down dead organic matter into simpler substances, recycling nutrients back to the ecosystem.
Step 2: Identifying decomposers.
Fungi and bacteria are the primary decomposers in ecosystems, converting organic matter into inorganic nutrients.
Step 3: Analyzing options.
(A) Fungi and algae: Incorrect — Algae are autotrophs, not decomposers.
(B) Fungi and virus: Incorrect — Viruses are obligate parasites, not decomposers.
(C) Fungi and bacteria: Correct — Major decomposers.
(D) Fungi, bacteria and virus: Incorrect — Virus is not a decomposer.
Step 4: Conclusion.
Hence, Fungi and bacteria are decomposers.