For the existence of nitrogen, how many nitrogen atoms are required?

Separation of amino acid and carboxylic groups is called

The process of conversion of nitrogen to ammonia is termed as

Which of the following is an example of nutrient in its reduced form?

Nitrification is the process of conversion of

Which type of bacteria plays a key role in the oxidation of sulfur compounds, contributing to the sulfur cycle?

The nitrogen-fixing nodules found on the roots of Alnus are formed by:

Nitrogen is present in the soil in the form of I. Nitrates II. Ammonial salts III. Nitrite IV. None of these

Which of the following is an example of nutrient in its reduced form?

Select the mismatch:

Which aquatic fern performs ${N_2}$ fixation?