Question

Answer the following questions.
1. How does rhizobium bacteria help in nitrogen fixation?
2. How does nitrogen fixation help the plants produce more food?
3. How is the percentage of nitrogen maintained in the atmosphere through nitrogen fixation?

Answer 1

1-
Answer:-It is a soil bacteria that infects the root of the plants mainly leguminous plants to form a type of nodules called root nodules.As they produces nodules and these nodules fixes the nitrogen gas (N2) from the atmosphere and turn them into useful form of Nitrogen gas (N).

2-
Answer:-As it kills the soil bacteria and convert this nitrogen to ammonium ions (NH4+) and these ions are further used by the plant to make the food.

3-

I am so sorry Shipra but I don't know the 3rd answer please forgive me :)

Answer 2

Heya....

=== Answer ====

1 Ans ---

They are the soil bacteria that effects root of the plants mainly legumes plants to form a nodule...

2 Ans ---

As they kills the soil bacteria and convert the nitrogen into amino ions such as NH4 ....help to produce more food by the plants...

3 Ans ---

In the atmosphere nearly the 70% of nitrogen is present and just by the process of photosynthesis it is maintained by the carbon formation...

Thank you