Question

Nitrogen fixing bacteria converts :
(1) N2 → NH3
(2) NH4 → Nitrates
(3) NO2 → NO3
(4) NO3 → N2

Answer 1

HI MATE YOUR ANSWER IS HERE:

1) N2 ----> NH3 ✓✓✓

2) NH4 ----> Nitrates

3) NO2 -----> NO3

4) NO3 ------> N2

Answer 2

2) Nitrosomonas

3) Nitrobacter

4) Psedomonas or Thiobacillus