Biological Classification And System Of Classification Question 89
Question: A free living anaerobic bacterium capable of $ N_2 $ fixation in soil is [DPMT 1989, 93; CBSE PMT 1990; CMC Vellore 1993; RPMT 1995; MP PMT 1996]
Options:
A) Rhizobium
B) Azotobacter
C) Streptococcus
D) Clostridium
Show Answer
Answer:
Correct Answer: D
Solution:
Clostridium is saprophytic, anaerobic $ N_2 $ fixing bacteria and have ability to fix atmospheric $ N_2 $ in to $ NH_3.
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