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  9. Q44

OPSC OCS 2023 · Question 44 of 97

With reference to the food chains in ecosystems, which of the following kinds of organism is / are known as decomposer organism/organisms? 1.Virus 2. Fungi 3. Bacteria Select the correct answer using the codes given below.

Environment

  1. A1 only
  2. B2 and 3 onlyCorrect
  3. C1 and 3 only
  4. D1.2 and 3

Answer: B. 2 and 3 only

Explanation

Decomposers (fungi, bacteria, invertebrates such as worms and insects) can break down dead organisms into smaller particles and create new compounds. The use of decomposers is to restore the natural nutrient cycle through controlled composting.

Source: OPSC OCS Prelims 2023 GS Paper-I; answers per Apti Plus unofficial key

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