- A Rhizobium
- B Glomus
- C Azotobacter
- D Anabaena
Correct answer: B. Glomus
Explanation: Glomus is a mycorrhizal fungus that helps plants absorb phosphorus from the soil, functioning as a biofertilizer.
Concept context
Microorganisms in food, medicine, sewage treatment, biocontrol, and biofertilizers