Question

Rhizobium is
1) a parasitic and nitrogen - fixing bacterium
2) a non symbiotic bacterium
3) a symbiotic and nitrogen- fixing bacterium
4) none of these​

Answer 1

Answer:

a symbiotic and nitrogen- fixing bacterium

( symbiotic with legumes, lives in root nodules of it)

Answer 2

Answer:

$\huge \red rizobium \:$

Rizobium is the a symbiotic and nitrogen fixing bacterium.

grade 7 1st lesson nutrition in plants