Biological Classification And System Of Classification Question 140
Question: Which one of the following can utilize molecular nitrogen $ (N_2) $ as nutrient for growth [MP PMT 1998]
Options:
A) Rhizobium
B) Spirogyra
C) Mucor
D) Methanococcus
Show Answer
Answer:
Correct Answer: D
Solution:
Some bacteria can fix atmospheric $ (N_2) $ like Azotobacter and Clostridium, some bacteria can change nitrogen of ammonia into nitrate like Nitrosomonas and some bacteria help in biogeochemical cycle by braking of complex organic compound into simple inorganic compound.
BETA
