Root nodules for nitrogen fixation of a non-leguminous tree possess

  • A

    Frankia

  • B

    Rhizobium

  • C

    Azotobacter

  • D

    Thiobacillus

Similar Questions

Which of the following is common to Azospirillum, Anabaena, Nostoc and Oscillatoria

Biofertilizers

Match the columns :

Column - $I$ Column - $II$
$(a)$ Mycrrohiza $(1)$ Rhizobium
$(b)$ Bt $(2)$ Nucleopolyhydro virus
$(c)$ Root nodules $(3)$ Phosphorus
$(d)$ Baculo virus $(4)$ Bt -Cotton

 

Which of the following is free living aerobic and nonphotosynthetic nitrogen fixing bacterium

  • [AIPMT 1997]

Most famous nitrogen fixing bacterium/biofertilizer is