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Question

In photosynthetic bacteria, the photosynthesis takes place in

A
Chloroplast
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B
Chromoplast
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C
Chromatophores
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D
Mesosomes
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Solution

The correct option is C Chromatophores
  • Chloroplast is green plastids and chromoplasts are non-green plastids of higher plants. Chloroplasts are primarily responsible for photosynthesis in higher plants, whereas, chromoplasts are responsible for no green colour in various plant parts like flowers and fruits.
  • Mesosomes are infoldings of the plasma membrane in bacteria. They are rich in a variety of enzymes and are important for biosynthetic activity and septa formation during cell division.
  • Chromatophores are the bacterial photosynthetic pseudo-organelles which form as extensions of the cytoplasmic membrane upon transition to phototrophic growth and house the photosynthetic proteins.
  • The shape of these chromatophores varies among species, the two most common forms being stacks of flat lamellar folds.

Thus, the correct answer is option C.

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