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bacteria oxidise various inorganic subst...

______ bacteria oxidise various inorganic substances such as nitrates, nitrites and ammonia and use the released energy for ATP production. They play an important role in recycling of nutrients (N,P,Fe,S etc).

A

Photosynthetic autotrophic

B

Chemosynthetic autotrophic

C

Parasitic

D

Saprophytic

Text Solution

Verified by Experts

The correct Answer is:
B

Chemoautotrophic bacteria or chemosynthetic autotrophic bacteria are able to manufacture their organic food from inorganic raw materials with the help of energy derived from exergonic chemical reactions involving oxidation of an inorganic substance present in the external medium.
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