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Question and Answer

Chemosynthetic bacteria obtain energy from
(A) Sunlight
(B) infra red rays
(C) organic substances
(D) inorganic chemicals.

Answer

Answer: D
Chemosynthetic autotrophic bacteria (Chemoautotrophic bacteria) are bacteria which are able to manufacture their organic food from inorganic raw materials with the help of energy derive drom exergonic chemical reacrtions involving oxidation of an inorganic substance present in the external medium. The chemical energy obtained from oxidation reaction is trapeed in ATP molecules.
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