Question

State the role of symbiotic bacteria in nitrogen cycle in nature.

Answer 1

1. Symbiotic bacteria are bacteria that live in symbiosis with another organism or each other.
2. The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms.
3. The conversion of nitrogen can be carried out through both biological and physical processes.
4. Symbiotic bacteria live in the root nodules of leguminous plants.
5. Here they pick up molecular nitrogen from the soil air and convert it into salts of nitrogen.
6. It is used by the host in building amino acids and proteins.