Zoology - Microbes in Human Welfare Question with Solution | TestHub
ZoologyMicrobes in Human WelfareMicrobes in Household and Industrial ProductsEasy2 minPYQ_2020
ZoologyEasysingle choice
Vinegar is obtained by double fermentation of starch or sugary material. The first step of fermentation is achieved by addition ofSaccharomyces cerevisiaeand second step is achieved by the addition of
Options:
Answer:
A
Solution:
When a natural solution of fermentable sugars is exposed to indigenous microbial activities is an alcoholic fermentation by yeasts(Saccharomyces cerevisiae), followed by bacterial oxidation of the ethanol to acetic acid (acetification byAcetobacter aceti). If sufficient acetic acid is produced it may be classified as vinegar. (Vinegar is a liquid consisting mainly of acetic acid (CH3COOH) and water).
Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Microbes in Human WelfareSubtopic:Microbes in Household and Industrial Products
⏱ 2mℹ️ Source: PYQ_2020
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