Under anaerobic conditions, denitrifying bacterium Pseudomonas converts

Nitrate to molecular nitrogen

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Nitrate to ammonia

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Nitrate to nitrite

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Nitrite to nitrate

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Molecular nitrogen to nitrate

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Solution

The correct option is A Nitrate to molecular nitrogen
Reduction of nitrates to molecular nitrogen or nitrous oxide by certain microorganisms is called denitrification.
Microorganisms responsible for this process are
Pseudomonas
Bacillus etc

So the correct option is "Nitrate to molecular nitrogen".

Suggest Corrections

Similar questions

	I		II
(a)	Free-living aerobic nitrogen fixers	1.	Anabaena and Nostoc
(b)	Anaerobic nitrogen fixers	2.	Pseudomonas and Thiobacillus
(c)	Nitrogen-fixing cyanobacteria	3.	Nitrosomonas and Nitrosococcus
(d)	Denitrifying bacteria	4.	Azotobacter and Beijerinckia
(e)	Nitrifying bacteria	5.	Rhodospirillum

Select the matched ones:

(1)Nitrosomonas - Nitrite to nitrate

(2)Thiobacillus - Denitrification

(3)Nostoc– Free - living nitrogen-fixer

(4)Azotobacter - Anaerobic nitrogen-fixer

Rhizobium lives as an aerobic microbe under free living conditions but gets adapted to anaerobic conditions during nitrogen fixation.

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