Which of the following pair is of biofertilizers

Options :
  1. Azolla and blue green algae
  2. Nostoc and legumes
  3. Rhizobium and grasses
  4. Salmonella and E. coli
Answer and Explanation :-

Answer: Option 1


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 : Neem is used as a natural pesticide because

Next Question : Which gas is used as coolant

Click here for online test on Biochemistry


 (Getemail alerts when others member replies)

Our triumph over sorrow is not that we can avoid it but that we can endure it. And therein lies our hope that in spirit we might become bigger than the problems we face.
-Marianne Williamson Everyday Grace: Having Hope Finding Forgiveness And Making Miracles