Haryana PMT Haryana PMT Solved Paper-2010

  • question_answer
    A research scholar once collected certain alga and found that its cells contained chlorophyll-a, chlorophyll-d and phycoerythrin. The alga must belong to

    A)  Chlorophyceae               

    B)  Rhodophyceae

    C)  Bacillariophyceae           

    D)  Cyanophyceae

    Correct Answer: B

    Solution :

                    Members of Rhodophyceae (red algae) contain chlorophyll-a, d, r-phycoerythrin, r-phycocyanin \[\alpha \] and \[\text{ }\!\!\beta\!\!\text{ }\]-carotene pigments. So, it belongs to this group. Members of Chlorophyceae (green algae) contain chlorophyll-\[a,c,\text{ }\!\!\beta\!\!\text{ }\]-carotene pigments. Members of   Bacillariophyceae    (diatoms)    contain chlorophyll-\[a,c,\text{ }\!\!\beta\!\!\text{ }\] -carotene, e-carotene pigments. Members of Cyanophyceae (cyanobacteria, blue-green  algae)   contain  chlorophyll-a, c-phycocyanin,  c-phycoerythrin,  \[\text{ }\!\!\beta\!\!\text{ }\]-carotene pigments.


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