UPPSC 2013 General Studies I Solved Paper

(c) Photosynthesis using the invisible part of the sunlight is done by some bacteria. Oxygenic photosynthetic bacteria perform photosynthesis in a similar manner to plants. They contain light harvesting pigments, absorb carbon dioxide, and release oxygen. Cyanobacteria or Cyanophyta are the only form of oxygenic photosynthetic bacteria.