How microbes can be used as biofertilizers?

"Microbes can be used as biopesticides". Briefly explain with the help of two examples.

Define biofertilizers.

Which one is used as biofertilizer ?

How do mycorrhizae act as biofertilizers? Explain. Name a genus of fungi that forms a mycorrhizal association with plants.

Mention the role of cyanobacteria as a biofertilizer.

Do you think microbes can also be used as source of energy ? If yes, how ?

Microbes can also be used as source of energy. Substantiate with suitable exmples.

Discuss the role of Microbes as biofertilizers.