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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

Demonstration of Exoelectrogenesis using Caulobacter Crescentus

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Beginner

Intermediate

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1. Caulobacter crescentus is ?

a: gram-positive, oligotrophic microorganism Explanation

Explanation

b: gram-positive, heterotrophic microorganism Explanation

Explanation

c: gram-negative, oligotrophic microorganism Explanation

Explanation

d: gram-negative, heterotrophic microorganism Explanation

Explanation

2. In simulator, the transfer of electrons in MFC is denoted by

a: Colour change in anode Explanation

Explanation

b: Glowing of the electric bulb in the MFC Explanation

Explanation

c: Colour change in cathode Explanation

Explanation

d: Colour change in PEM Explanation

Explanation

3. When Caulobacter crescentus, is used as electrogen in MFC simulator, which of the following combination of electrodes produced maximum output

a: Aluminum as anode and copper as cathode Explanation

Explanation

b: Carbon cloth at both electrodes Explanation

Explanation

c: graphite sheet at both electrodes Explanation

Explanation

d: All produced equal output Explanation

Explanation

4. In the simulator, do you observe variance in the voltage at which maximum current can be obtained with respect to different electrode combinations.

a: Yes Explanation

Explanation

b: No Explanation

Explanation

5. After working the simulator, which PEM can be a best for Caulobacter crescentus to perform exoelectrogenesis?

a: Nutrient agar Explanation

Explanation

b: Nafion Explanation

Explanation

c: Both nutrient agar and nafion Explanation

Explanation

d: No PEM needed for Caulobacter crescentus. Explanation

Explanation

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