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Chromatophores take part in

  • (a) photosynthesis Correct
  • (b) respiration Your answer
  • (c) movement Your answer
  • (d) growth Your answer
Your answer: Correct answer: (a)
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Explanation

Why (a) is correct

Chromatophores are membranous extensions into the cytoplasm of some prokaryotes, such as cyanobacteria, and they contain the photosynthetic pigments. They are the site of photosynthesis in these organisms, which lack chloroplasts.

Why the other options are wrong

  • (b) · your answer Bacterial respiration takes place on the plasma membrane, not on pigment-bearing chromatophores.
  • (c) · your answer Movement in bacteria is by flagella, not chromatophores.
  • (d) · your answer Chromatophores are not growth structures; they hold photosynthetic pigments.
NCERT point: NCERT (Cell): in some prokaryotes like cyanobacteria, membranous extensions called chromatophores contain pigments.
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