Question

Conversion of $N{O}_3\to N{O}_2\to N{H}_3$ is called ________ and is catalyzed by ________

• A. Nitrate assimilation, nitrate and nitrite reductases
• B. Nitrification, nitrate and nitrite reductase
• C. Ammonification, glutamate dehydrogenase
• D. Denitrification, transaminase

Answer 1

The correct option is A Nitrate assimilation, nitrate and nitrite reductases

• Nitrogen assimilation is the process of conversion of inorganic nitrogen compounds to organic nitrogen compounds present in the environment.
• Some organisms like fungi and bacteria cannot fix nitrogen gas depending on the ability to assimilate nitrate or ammonia for their needs.
  

So, the correct option is 'Nitrate assimilation, nitrate, and nitrite reductase'