Organisms And Population Question 234
Question: The agent/s which make/s free atmospheric nitrogen available to plants is/are
Options:
A) Lightening
B) Free living nitrogen fixing bacteria
C) Symbiotic nitrogen fixing bacteria
D) All of these
Show Answer
Answer:
Correct Answer: D
Solution:
$ N_2 $ Fixation occurs in two ways namely-Electrochemical fixation and Biological fixation.
Lightening is the electrochemical fixation and free living nitrogen fixing bacteria and symbiotic nitrogen fixing bacteria are the biological $ N_2 $ fixing organisms.
BETA
