GyanGramEnvironment · Prelims 2011 Q806
Microbial fuel cells are considered a source of sustainable energy. Why? 1. They use living organisms as catalysts to generate electricity from certain substrates. 2. They use a v…
Stem and options.
Microbial fuel cells are considered a source of sustainable energy. Why?
1. They use living organisms as catalysts to generate electricity from certain substrates.
2. They use a variety of inorganic materials as substrates.
3. They can be installed in wastewater treatment plants to cleanse water and produce electricity.
Which of the following statements given above is/ are correct?
Source: UPSC Civil Services Preliminary Examination 2011. Syllabus tags and explanation are GyanGram editorial joins for learning—not official UPSC metadata.
Correct option C
• Correct Answer: C
• MFCs use living microbes as catalysts to oxidize organic substrates and generate electricity.
• Statement 2 is incorrect: substrates are organic (glucose, acetate), not inorganic; MFCs can treat wastewater while producing power.
Where this sits in Learn.
Unit
Clean Energy
ENV-U09Chapter
Energy Transition
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