Question

Nitrosomonas, Rhizobium, Azetobacter, Rhizopus
Find odd one out.

Answer 1

Answer:

Nitrogen fixation can be done by either free-living organism or by forming a symbiotic association with plants. Free-living nitrogen fixers are Anabaena, Nostoc, Azotobacter, Clostridium, Aulosira, Bacillus species. While Rhizobium and Bacillus polymyxa forms a symbiotic association with roots to fix atmospheric nitrogen, pseudomonas is a denitrifying bacteria. Nitrococcus, Nitrobacter and Nitrosomonas are the nitrifying bacteria that convert ammonia to the usable form of nitrogen for plants. Thus

Explanation:

Answer 2

Nitrosomonas is the correct answer