Monday, 28 July 2014

IAS

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.

Which of the Statements given above is/are correct?

(a) 1 only  
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3

No comments: