Important chemical reactions involved in nutrient cycling in ecosystems are given below:
a. \(\rm NO^-_2 → NO^-_3\)
b. N2 → NH3
c. \(\rm NH_4^+ \rightarrow NO^-_2 \)
d. \(\rm NO^-_3 \rightarrow N_2\)
The organisms associated with these chemical reactions are
1
a – Nitrosomonas b – Pseudomonas c – Nostoc d – Nitrobacter
2
a – Pseudomonas b – Nitrobacter c – Nostoc d –Nitrosomonas
3
a – Nitrobacter b – Nostoc c – Nitrosomonas d – Pseudomonas
4
a – Nostoc b – Nitrosomonas c – Nitrobacter d – Pseudomonas