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Which of the following is a non-symbioti...

Which of the following is a non-symbiotic nitrogen fixing prokaryote?

A

Azotobacter

B

Clostridium

C

Beijerinckia

D

all of these

Text Solution

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The correct Answer is:
D
Non symbiotic nitrogen fixing bacteria e.g., Azotobacter, Beijernckia (both aerobatic) and Bacillus Klebsiella, Clostridium (all anaerobic) are saprotrophic bacteria that perform nitrogen fixation.
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