NEET 2012 Biology question

Yeast is used in the production of

(1)Cheese and butter
(2)Citric acid and lactic acid
(3)Lipase and pectinase
(4)Bread and beerCorrect

Answer: (4)

Solution

Saccharomyces cerevisiae (brewer's/baker's yeast) ferments sugars to produce carbon dioxide and ethanol; the CO makes dough rise for bread, and fermentation of malted cereals and fruit juices gives beer, wine and other

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Question ID VK-091167