Question
Which of these cannot act as a biofertiliser?
Answer: Option A
:
A
Biofertilisers are microorganisms which can fix nitrogen and hence enrich the soil with utilizable nitrogen-containing compounds. Blue-green algae or Cyanobacteria, Glomus (a genus of fungi) and Rhizobium can fix nitrogen, but brown and red algae cannot.
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:
A
Biofertilisers are microorganisms which can fix nitrogen and hence enrich the soil with utilizable nitrogen-containing compounds. Blue-green algae or Cyanobacteria, Glomus (a genus of fungi) and Rhizobium can fix nitrogen, but brown and red algae cannot.
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