Question

What are symbiotic bacteria?

Answer 1

Symbiotic bacteria is the one which forms association with either plant , animal or fungus in which bacteria as well as the host , both are benefited.
example - Rhizobium bacteria forms association with the root nodules of higher plants , plant provide shelter to the bacteria and bacteria helps in nitrogen fixation.
2. Bacteria is association with fungi forms Lichens
3. Anabaena which is blue green algae forms association with the roots of cycas ( Gymnosperm ). Roots here are called Coralloid roots.