Question
CIVICS > ELECTION_COMMISSION
1) 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 waste water treatment plants to cleanse water and produce electricity
4) -
A) 1 only
B) 2 and 3 only
C) 1 and 3 only
D) 1,2 and 3
View Answer        
Answer : 1,2 and 3




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