The main sources of biofertilisers are:
$(a)$ Bacteria
$(b)$ Cyanobacteria
$(c)$ Fungi
$(d)$ Protists

  • A
    $(a), (b), (c)$
  • B
    $(a), (b), (d)$
  • C
    $(b), (c), (d)$
  • D
    $(a), (c), (d)$

Explore More

Similar Questions

Fertility of the soil in rice fields can be improved by

The organism used as a biofertilizer to enhance soybean crops is.....

Which of the following organisms is $NOT$ used in organic farming?

Which aquatic fern is an excellent biofertilizer?

Due to which of the following organisms is the yield of rice increased?

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