Question

On the basis of the following features identify the correct option.
I. It is the process of reduction of nitrates into gaseous nitrogen, which escapes into the atmosphere.
II. It is a reduction process.
III. It is caused by a type of bacteria.

• A. Nitrification
• B. Denitrification
• C. Nitrogen fixation
• D. Nitrogen assimilation

Answer 1

The correct option is B Denitrification

Denitrification is the process of degradation of fixed nitrogenous compounds to free nitrogen which is released back to the atmosphere. It is a sequential method which is performed by several bacteria like Pseudomonas.

So, the correct answer is option B.