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11th Grade Microbial Biotechnology Quizzes, Questions & Answers

11th Grade

Top Trending Microbial Biotechnology Quizzes

Electric Microbes: Microbial Fuel Cells Explained

What if the bacteria breaking down organic waste in a treatment plant could simultaneously generate electricity? Microbial fuel cells explained covers how certain electroactive bacteria transfer electrons to an anode as they...

Questions: 20 | Attempts: 11 | Last updated: Mar 8, 2026

Sample Question 1
In a microbial fuel cell, what is the primary role of the bacteria?

To act as a catalyst by oxidizing organic matter

To produce oxygen for the cathode

To generate heat to boil water

To store electricity like a battery

To act as an insulator

Sample Question 2
To have microbial fuel cells explained simply, one must note that electricity is produced by the flow of electrons from the anode to the cathode.

True

False

Sample Question 3
Why is the anode chamber of a microbial fuel cell typically kept anaerobic (without oxygen)?

To force bacteria to use the electrode as an electron acceptor

To keep the bacteria from drowning

To prevent the organic fuel from evaporating

To make the cell smell better

To increase the amount of salt

11th Grade Microbial Biotechnology Quizzes, Questions & Answers

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