Which yeast is used to ferment cereals and fruit juices to produce eth…

Question

Which yeast is used to ferment cereals and fruit juices to produce ethanol (also used for bread-making)?

Accepted Answer

A. {'text': 'Saccharomyces cerevisiae', 'label': 'A'}

1. Saccharomyces cerevisiae is used both as baker's yeast and brewer's yeast.
2. It ferments sugars in malted cereals and fruit juices to yield ethanol.
3. Wine and beer are produced without distillation; whisky, brandy, rum with distillation.
4. Rhizopus and Aspergillus are used for other products (organic acids), not primarily beverages.
_Source: NCERT Class 12 Biology, Ch 8 "Microbes in Human Welfare", §8.2.1_

Answer

{'text': 'Rhizopus oryzae', 'label': 'B'}

Answer

{'text': 'Neurospora', 'label': 'C'}

Answer

{'text': 'Aspergillus niger', 'label': 'D'}