Question

Which free-living, non-symbiotic nitrogen-fixing bacterium is commonly used as a biofertilizer for non-leguminous crops?

A Rhizobium
B Bradyrhizobium
C Frankia
D Azotobacter
Practice Next

Hey! Ask a query

🎓
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
  • 200 Questions with Detailed Solutions
  • Section-wise Coverage (GA, English, Quant & Reasoning)