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  •  What is the site of photosynthesis in cyanobacteria?  Option: 1 Chloroplasts  <div class='qna-o

 What is the site of photosynthesis in cyanobacteria?
 

Option: 1

Chloroplasts
 


Option: 2

Granum 
 


Option: 3

Cytoplasm
 


Option: 4

Chromatophores 

 


Answers (1)

best_answer

Cyanobacteria -

  • Cyanobacteria are also known as blue-green algae are photosynthetic prokaryotes.
  • They are considered to be the most ancient forms of algae.
  • Cyanobacteria are found in all kinds of environments.
  • They possess photosynthetic pigments like chlorophyll a, phycocyanin and carotenoids.
  • Their reserve food material is cyanophycean starch.
  • They are unicellular, colonial or filamentous organisms.
  • Each filament remains covered in a mucilage covering.
  • Flagella are absent in cyanobacteria.
  • Cyanobacteria do not have chloroplasts. Photosynthesis takes place in membranous stacks called chromatophores.
  • Cyanobacteria possess heterocysts which are thick-walled cells that are found in terminal, intercalary or lateral position. It is involved in the nitrogen fixation.
  • Examples: Spirulina ( highly proteinaceous superfood ), Nostoc, Oscillatoria, Anabaena and Rivularia etc.

-Cyanobacteria do not have chloroplasts. Photosynthesis takes place in membranous stacks called chromatophores.

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