The blue-green algae are so called as they have,in addition to the green pigment chlorophyll,a blue pigment known as:

  • A
    Phycocyanin
  • B
    Chromoplasm
  • C
    Cyanophycin
  • D
    Phycoerythrin

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Organisms that obtain energy by the oxidation of reduced inorganic compounds are called .............

Identify the correct statement regarding bacteria.

Which of the following statements are incorrect for $Nostoc$ and $Anabaena$?
$(a)$. Possess tissue level organization
$(b)$. Have heterocysts
$(c)$. Can fix atmospheric hydrogen
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Prokaryotic organisms are included under:

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