- A Production of antibiotics
- B Clarification of fruit juices
- C Sewage treatment
- D Nitrogen fixation
Correct answer: B. Clarification of fruit juices
Explanation: Pectinases break down pectin in fruit cell walls, and along with proteases, they are used commercially to clarify fruit juices and improve their quality.
Concept context
Microorganisms in food, medicine, sewage treatment, biocontrol, and biofertilizers