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.

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Q: 78 (IAS/2013)
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.

question_subject: 

Ecology

question_exam: 

IAS

stats: 

0,424,176,12,424,20,144

keywords: 

{'decomposer organism': [0, 0, 0, 1], 'organisms': [4, 1, 3, 2], 'ecosystems': [0, 0, 1, 2], 'organism': [1, 0, 0, 0], 'bacteria': [4, 1, 2, 3], 'food chains': [0, 0, 0, 1], 'fungi': [1, 1, 2, 3], 'kinds': [1, 0, 3, 7], 'virus': [4, 0, 0, 1]}

The decomposer organisms in food chains are responsible for breaking down organic matter and returning nutrients back into the ecosystem. Among the options given:

2 and 3 only (Fungi and Bacteria) are known as decomposer organisms.

So, the correct answer is:

2 and 3 only.