Rama took three cups and labeledthem as A,B,C . She put cold milk in cup A, lukewarm milk in cup B and hot milk in cup C . Thenshe add a spoonful of curd in each cup. Shekept all thecups in a warm place for few hours. In which cup curd will be formed faster and why?

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Solution

The curd will form faster in cup B containing lukewarm milk as it provides suitable environment for the growth of the Lactobacillus which converts milk into curd.

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