JIPMER Jipmer Medical Solved Paper-2005

  • question_answer
    Energy transfer in photosynthesis occurs as:

    A)  Phycoerythrin \[\to \] Phycocyanin \[\to \] Carotenoid \[\to \] Chlorophyll a

    B)  Chlorophyll b  \[\to \] Carotenoid \[\to \] Phycoerythrin \[\to \] Chlorophyll a

    C)  Phycocyanin \[\to \] Phycoerythrin \[\to \] Carotenoid \[\to \] Chlorophyll a

    D)  Chlorophyll b \[\to \] Carotenoid \[\to \] Phycocyanin \[\to \] Chlorophyll a

    Correct Answer: A

    Solution :

    Chlorophyll is the principal pigment involved in photosynthesis. Chlorophyll a is the major pigment involved in trapping light energy and converting it into electrical and chemical energy. Chlorophyll b molecules also acts as accessory pigment. Other accessory pigments are phycoerythrin, phycocyanin, carotenoids etc.  The accessory pigment and reaction centre together form photo- system.


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