NCERT Important Questions Class 9 Science biology Chapter 14
Important NCERT Extra Questions
Chapter 14 Natural Resources
NCERT Book Extra Questions for Session 2021-2022
CBSE Board and UP Board Others state Board
What is nitrogen fixation?
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Conversion of inert elemental nitrogen gas into biologically usable form is called nitrogen fixation.
The process of conversion of atmospheric nitrogen into nitrates is called nitrogen fixation.