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Assertion: Reduction of nitrogen to ammo...

Assertion: Reduction of nitrogen to ammonia by living organisms is called nitrification.
Reason: Example of free-living nitrogen fixing anaerobic microbes are Azotobacter and Bijerinckia.

A

If both assertion and reason are true and reason is the correct explanation of assertion

B

if both assertion and reason are true but reason is not the correct explanation of assertion

C

if assertion is true but reason is false

D

if both assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
D
Reduction of nitrogen to ammonia by living organisms is called biological nitrogen fixation. Only certain prokaryotic species are capable of fixing nitrogen. Azotobacter and Beijerinckia are free living `N_(2)`-fixing aerobic bacteria.
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