DUMET Medical DUMET Medical Solved Paper-2003

  • question_answer
    Cyanobacteria are :

    A)  mosses which attack bacteria

    B)  bacteria which attack Cyanophyceae

    C)  autotrophic organism with phycocyanin

    D)  none of these

    Correct Answer: C

    Solution :

    Blue-green algae have also been named as cyanobacteria because they have many similarities with the bacteria as both are prokaryotic but show differences in evolution. The principal pigment is a bluish green c-phycocyanin, and chlorophyll-a, \[\text{ }\!\!\beta\!\!\text{ }\] carotene and C-phycoerythrin. Therefore these are auto-trophic but lack chloroplast instead have lamellae.


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