What is the role of pseudomonas in nitrogen cycle?
A
Fixes elemental nitrogen
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B
Produces elemental nitrogen
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C
Transfers nitrogen
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D
Changes ammonium nitrogen to nitrate state
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Solution
The correct option is C Produces elemental nitrogen The transformation of nitrates to nitrogen gas or nitrous oxide by certain microorganisms is called denitrification. Pseudomonas is a denitrifying bacteria.
So the correct option is "produces elemental nitrogen".