Question

Denitrification is carried out by which bacteria?

• A. Pseudomonas
• B. Nitrobacter
• C. Nitrosomonas
• D. Nitrococcus

Answer 1

The correct option is A

Pseudomonas

The explanation for the correct option:

Option A-Pseudomonas

• Denitrification is the process in which anaerobic bacteria convert soil nitrates back into nitrogen gas.
• Denitrification is done by denitrifying bacteria that are present in the soil.
• Some of the denitrifying bacteria are Pseudomonas, Thiobacillus denitrificans, Micrococcus denitrificans, etc.

Therefore, option A is correct.

The explanation for incorrect options:

Option (B)

Nitrobactor converts nitrite into soluble nitrates.

Option (C)

Nitrosomonas convert ammonia to nitrites.

Option (D)

Nitrococcus oxidize nitrite to nitrate.

Therefore, options A is correct.