allerySoya sauce is produced by fermenting a mixture of wheat or rice flour and soyabean with the help of which fungus?
AAspergillus oryzae
BSaccharomyces cerevisiae
CAcetobacter aceti
DLactobacillus delbrueckii
Answer & Solution
Correct answer: A. Aspergillus oryzae
1. Soya sauce comes from fermenting wheat or rice flour with soyabean.
2. The fungus responsible is Aspergillus oryzae.
3. Saccharomyces makes bread and alcohol, not soya sauce.
4. Acetobacter and Lactobacillus are bacteria used for vinegar and dairy.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 7 "Introduction to Microbiology", p.89_
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