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Milk is converted into curd by which micro-organism?
ALactobacillus
BPenicillium
CBaculovirus
DMethanogen
Answer & Solution
Correct answer: A. Lactobacillus
1. A starter of old curd is added to warm milk.
2. The bacteria in it multiply and act on the milk.
3. Lactobacillus and other such bacteria make the curd.
4. So the answer is Lactobacillus.
_Source: NCERT Class 12 Biology, Ch 8 'Microbes in Human Welfare'_
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