The role of bacteria in the nitrogen cycle includes the following except

A. fixing atmospheric nitrogen
B. converting ammonia to nitrites
C. converting nitrites to nitrates
D. converting carbohydrates to carbondioxide
E. causing the decay of dead organisms

Correct Answer: Option D

D. converting carbohydrates to carbondioxide

Explanation:

All of the options are correct and played an essential role by bacteria except conversion of carbohydrate to carbondioxide. See the diagram below for further explanation.