Q372
Nitrogen fixation is a process of
A.
Assimilation of nitrate
B.
Utilisation of nitrogen gas
C.
Conversion of organic nitrogen to proteins
D.
Conversion of molecular nitrogen to ammonia
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Nitrogen fixation is the process by which atmospheric nitrogen is converted by either a natural or an industrial means to a form of nitrogen such as ammonia. In nature, most nitrogen is harvested from the atmosphere by microorganisms to form ammonia, nitrites, and nitrates that can be used by plants.