GyanGramQuestion
With reference to the food chains in ecosystems, which of the following kinds of an organism is/are known as decomposer organism/organisms?
1. Virus
2. Fungi
3. Bacteria
Select the correct answer using the codes given below.
PRELIMS 2013 · ENVIRONMENT
With reference to the food chains in ecosystems, which of the following kinds of an organ…
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• Correct Answer: B
• Fungi and bacteria are saprotrophic decomposers that break down dead organic matter into inorganic nutrients via mineralization, recycling them into the soil.
• 1 is wrong: Viruses are obligate intracellular parasites requiring living hosts to replicate; they do not perform extracellular decomposition.
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