alleryIn vinegar production, which bacterial mixture is added to ethanol so that it is converted into acetic acid?
APseudomonas and Vibrio
BLactobacillus and Streptococcus
CAzotobacter and Geobacter
DAcetobacter and Glucanobacter
Answer & Solution
Correct answer: D. Acetobacter and Glucanobacter
1. Ethanol is first obtained by yeast fermentation of carbon compounds.
2. A mixture of Acetobacter and Glucanobacter is added to the ethanol.
3. These degrade it to acetic acid and by-products.
4. The other pairs handle dairy, farming or pollution clean-up, not vinegar.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 7 "Introduction to Microbiology", p.89_
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