Nitrogen fixing organism is

Options :
  1. rhizobium
  2. azolla
  3. azotobacter and azospirillum
  4. all the above

Answer and Explanation :-

Answer: Option 4


Sorry there is no explanation for this answer. Please help others by posting your response below

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : Fertilizer that supplies both nitrogen and phosphorus to soil is

Next Question : VAM is

Click here for free online test on Biochemistry


 (Getemail alerts when others member replies)

I thought that the light-house looked lovely as hope,That star on life's tremulous ocean.
-Thomas Moore