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NDA 2022 GAT · General Knowledge · Nutrition, Diseases and Health · hard

The souring of milk into curd is brought about by

Single correct option

The souring of milk into curd is brought about by
  1. A. yeast
  2. B. Lactobacillus
  3. C. Rhizobium
  4. D. Penicillium
Show answer and solution

Answer: (B) Lactobacillus

Lactobacillus bacteria convert lactose of milk into lactic acid, which coagulates milk proteins into curd. Yeast ferments sugar to alcohol and carbon dioxide in bread and beer. Rhizobium is a nitrogen fixer and Penicillium is a mould that yields penicillin.
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Original question written in the NDA 2022 GAT pattern and checked twice for the correct answer. Not an official question paper. How we write and check questions · Corrections policy · Report a mistake