Name the group of bacteria involved in setting milk into curd. Explain the process they carry in doing so. Write another beneficial role of such bacteria.

Explanation

Lactobacillus of lactic acid bacteria (LAB) are involved in setting milk into curd. A small amount of curd that contain Lactobacillus are added in milk, bacteria grows produces lactic acid that cause coagulation of protein in milk to form curd.
LAB also increases vitamin `B_(12)` along with other vitamins in the curd.