- A Aspergillus niger
- B Saccharomyces cerevisiae
- C Lactobacillus
- D Rhizobium
Correct answer: C. Lactobacillus
Explanation: Lactobacillus carries out lactic acid fermentation, converting sugars to lactic acid, used in curd and cheese making.
Concept context
Microorganisms in food, medicine, sewage treatment, biocontrol, and biofertilizers