The nitrogen-fixing microorganism associated with $Azolla$ in rice fields is .......

  • A
    Frankia
  • B
    Tolypothrix
  • C
    Spirulina
  • D
    Anabaena

Explore More

Similar Questions

$BGA$ (Blue-Green Algae) is mostly used as a biofertilizer in which crop?

To increase the production of soybean crops,$..........$ is used as a biofertilizer.

In which fields are $Cyanobacteria$ used as biofertilizers?

Which of the following is the most suitable fertilizer for paddy fields?

In which of the following crops is $BGA$ (Blue-Green Algae) primarily used as a biofertilizer?

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo