Which of the following statements is (are) correct?

(i) Pyruvate can be converted into ethanol and carbon dioxide by yeast.


(ii) Fermentation takes place in aerobic bacteria


(iii) Fermentation takes place in aerobic bacteria


(iv) Fermentation is a form of anaerobic respiration

Yeast, an anaerobic microorganism converts pyruvate to ethanol by fermentation which includes decarboxylation of pyruvate to acetaldehyde and further reduction to ethanol. Carbon dioxide is also produced along.

Fermentation occurs in anaerobic environment i.e., conversion of complex compounds to simpler compounds in absence of oxygen.

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