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Which of the following is an undesirable microbe in endogenic silage microorganism with simple sugar as the substrate?

(a) Homolactic

(b) Propionic acid bacteria

(c) Heterolactic

(d) Yeast

The question was posed to me in an online quiz.

My doubt is from Microbial Production of Fuels in section Bioleaching and Biomining for Recovery of Resources of Environmental Biotechnology

1 Answer

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Best answer
Correct answer is (d) Yeast

Best explanation: Yeast is not much in the demand with respect to endogenic silage microorganisms. Yeast causes air infiltration which is not desirable.

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