JCECE Medical JCECE Medical Solved Paper-2003

  • question_answer
    Pigments present in chloroplast of Ulothrix:

    A)  chlorophyll-a, chl. b, fucoxanthin  \[\beta -\]carotene

    B)  chl. a, chl. b, chl. c, c-phycocyanin, c-phycoerythrin

    C)  chl. a, chl. b, \[\beta -\]carotene, xanthophyll

    D)  chl. a, chl. b, r-phycocyanin r-phycoerythrin

    Correct Answer: C

    Solution :

     Algae are mostly autotrophic but a number of them are heterotrophic. The various pigments present in algae are as follow.
    Algal groups Photosyntheic Photosynthetic Pigments Reserve food material
    Chloro Phyll Others
    Cyanobact eria (blue green algae) a Phycobilins (c-phycocyanin and c-phycoerythr in) \[\beta -\]carotene Starch
     Dinoflagell ates \[a+c\] Special carotenoids Lipid starch
    Diatoms \[a+c\] Special carotenoids Lipid polysaccharide
    Euglenoids \[a+d\] \[-\] Lipid paramylum
    Red algae a Phycobilins (\[r-\]phycocyanin and (\[r-\]phycoerythrin Floridean starch + floridoside
    Brown algae \[a+c\] Special carotenoids, fucoxanthin Mannitol and Lamminarin
    Green algae \[a+b\] \[\beta -\]carotene and other carotenoids Starch


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