Home Biology Biological Classification Skill Builder Which of the following bacteria are able to …
Biology Biological Classification Skill Builder Single Correct MCQ
Published on: August 21, 2026

Which of the following bacteria are able to manufacture their food from inorganic raw material with the help of energy derived from exergonic chemical reactions involving oxidation of an inorganic substance?

A
Nitrosomonas, Nitrobacter
B
Chlorobium, Chromatium
C
Pseudomonas, Clostridium
D
Nostoc, Anabaena

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The correct answer is:
A

Chemoautotrophic 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. E.g., Nitrosomonas, Nitrobacter

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