Modern farmers can increase the yield of paddy crops by more than $50\%$ through the use of:

  • A
    Cyanobacteria
  • B
    Rhizobium
  • C
    Cyanobacteria in Azolla pinnata
  • D
    Farmyard manure

Explore More

Similar Questions

How do blue-green algae increase the fertility of the soil?

Which of the following is used as biofertiliser?
$I.$ Cyanobacteria
$II.$ Yeast
$III.$ Symbiotic bacteria
$IV.$ Free living bacteria
Choose the correct option.

Which of the following is an example of a biofertilizer?

Which of the following is the pair of biofertilizers?

$A$ nitrogen-fixing microbe associated with $Azolla$ in rice fields is

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