First slide
Microbes as Biofertilisers
Question

Which one of the following does not serve as biofertilizer in paddy fields?

Easy
Solution

Glomus, being fungus does not serve as biofertilizer in paddy fields as roots of paddy do not form mycorrhizae. But blue green algae like Oscillatoria, Nostoc and Anabaena are nitrogen fixers and used as biofertilizers in paddy fields.

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