- A Lactobacillus
- B Aspergillus niger
- C Saccharomyces cerevisiae
- D Rhizobium
Correct answer: C. Saccharomyces cerevisiae
Explanation: Saccharomyces cerevisiae (bakers yeast) ferments sugars to produce CO2 which causes bread to rise.
Concept context
Microorganisms in food, medicine, sewage treatment, biocontrol, and biofertilizers