Q. 65.0( 1 Vote )

(a) List two bacteria which bring about nitrification.

(b) List one denitrifying bacteria.

(c) List any two bacteria which play a role in biological nitrogen fixation.

Answer :

(a) Nitrification is the conversion of ammonia into nitrate. It is carried out by bacteria like Nitrobacter, amd Nitrocystis.


(b) Pseudomonas is a denitrifying bacteria that converts nitrates in soil to free atmospheric nitrogen.


(c) Azobacter, Cyanobacteria, Anabaena and Clostridium are some bacterias that play a role in biological nitrogen fixation i.e. they convert nitrogen in earth’s atmosphere to ammonia NH3.


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