STANDARDZoology-Microbes in Human Welfare
STANDARD Zoology Microbes in Industrial Products MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Curdling of milk takes place by
A
Streptococcus lactis
B
Streptococcus thermophilus
C
Lactobacillus lactis
D
All the above
Correct Answer
Option C
Detailed Explanation
When lactobacillus lactis is added to milk, the bacterium uses enzymes to produce energy from lactose. The byproduct of ATP production is lactic acid. The lactic acid curdles the milk that then separates to form curds.
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