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Curd is formed from milk by the action of
ALactobacillus
BAspergillus niger
CSaccharomyces cerevisiae
DPenicillium notatum
Answer & Solution
Correct answer: A. Lactobacillus
1. Milk is set into curd by a group of bacteria.
2. Lactobacillus and others, the lactic acid bacteria, do this.
3. They multiply in the milk and convert it into curd.
4. The fungi listed produce citric acid, ethanol and penicillin instead.
_Source: NCERT Class 12 Biology Ch8 'Microbes in Human Welfare'_
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