Which of the following is not correct regarding nitrogen.
A) The atmosphere contains about 78% nitrogen.
B) Bacterial action is key to the nitrogen cycle.
C) Atmospheric nitrogen is accessible directly to most organisms.
D) Nitrogen is very important to organisms.

Question

Quizplus · Accepted Answer

Atmospheric nitrogen in its gaseous form cannot be accessed by most organisms directly. It needs to be converted into compounds such as ammonia and nitrates by bacteria in the nitrogen cycle before it can be used by plants and animals.

Which of the Following Is Not Correct Regarding Nitrogen