Home » Advanced Botany » Microbes in Human Welfare » Question
  1. Which of the following is pair of biofertilizers?
    1. Azolla and BGA
    2. Nostoc and legumes
    3. Rhizobium and grasses
    4. Salmonella and E. coli
Correct Option: A

Azolla and blue green algae- Anabaena form biofertilizer in rice fields.



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