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Question

Photoautotrophic bacteria have
  1. Chloroplast
  2. Chromatophore
  3. Grana
  4. Carotene

A
Chloroplast
B
Chromatophore
C
Grana
D
Carotene
Solution
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Photoautotrophic bacteria are those bacteria which are capable of producing energy using sunlight. These bacteria contain chromatophores. Chromatophores are pigment-containing cells. It contains bacteriochlorophyll, a light-harvesting pigment. Examples of photosynthetic bacteria include green sulfur bacteria, purple bacteria.
Thus, the correct answer is 'Chromatophore.'

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