Question

In nitrogen cycle, Pseudomonas

• A. Fixes nitrogen
• B. Produces elemental nitrogen
• C. Oxidises ammonium nitrogen to nitrate
• D. Transfers elemental nitrogen

Answer 1

The correct option is B Produces elemental nitrogen

• Pseudomonas is a denitrifying bacteria i.e., it converts fixed nitrogen in the plants (in the form of nitrites and nitrates) again back to the atmospheric or elemental nitrogen.

Thus the correct answer is option B.