The bacterium Lactobacillus lectis that causes souring of milk is :

Assertion: Only Lactobacillus lactis causes curdling of milk. Reason: Only this bacteria can produce lactic acid.

Assertion : Only Lactobacillus lactic causes curdling of milk. Reason: Only these bacteria can produce lactic acid.

How does souring of milk occur ?

The bacterium causing UTI

Souring of milk is due to -

Souring of milk is due to -

At room temperature (20^@C) milk turns sour in about 65 hours. In a refrigerator at 3^@ C milk can be stored three times as long before its sours. Estimate : (a) Activation energy of the reaction that causes the souring of milk, (b) How long should it take milk to sour at 40^@ C.

Name a bacterium that is involved in the coversion of milk into curd.