Q2 / 180 · NEET 2018 · Botany

Oxygen is not produced during photosynthesis by

  • A
    Cycas
  • B
    Nostac
  • Correct answer
    C
    Green sulphur bacteria
  • D
    Chara

Solution

Green sulfur bacteria are nonmotile and capable of anoxygenic photosynthesis. In contrast to plants, green sulfur bacteria mainly use sulfide ions as electron donors.

Cycas belongs to Gymnospermaea, which show oxygenic photosynthesis. Chara is a Chlorophyceae member to show oxygenic photosynthesis. Cyanobacteria like Nostoc, Anabaena have evoleved oxygenic photosynthetic mechanism.

Hence, the correct answer is option: 'C'.

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