- A Lactobacillus
- B Saccharomyces cerevisiae
- C Aspergillus niger
- D Nostoc
Correct answer: B. Saccharomyces cerevisiae
Explanation: Saccharomyces cerevisiae ferments the sap of palms to produce toddy, a traditional fermented beverage.
Concept context
Microorganisms in food, medicine, sewage treatment, biocontrol, and biofertilizers