- A Pseudomonas fluorescens
- B Pseudomonas putida
- C Pseudomonas aeruginosa
- D Pseudomonas syringae
Correct answer: A. Pseudomonas fluorescens
Explanation: Pseudomonas fluorescens is used as a bioherbicide to control Phalaris minor (a weed in wheat fields) without harming the wheat crop.
Concept context
Microorganisms in food, medicine, sewage treatment, biocontrol, and biofertilizers