Home
Search
Create
Library
Topics
Student
Teacher
Admin
Map
Sign in for more features
YourStory
Home
Search
Create
Library
Topics
Student
Teacher
Sign in
Feedback
Contact Us!
Assessment
What is the primary role of nitrogen in the nitrogen cycle?
To provide energy to organisms
To form amino acids and proteins
To aid in photosynthesis
To enhance soil acidity
During which process does nitrogen gas from the atmosphere get converted into a usable form for plants?
Denitrification
Nitrogen fixation
Nitrification
Ammonification
Which organisms are primarily responsible for nitrogen fixation?
Fungi
Bacteria
Plants
Insects
Submit