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NEET Sample Paper NEET Sample Test Paper-50

  • question_answer
    Which  photosynthetic   pigment  converts nascent oxygen to molecular oxygen:

    A) Chlorophyll-a    

    B) Carotenoids

    C) Phycobilins                   

    D) Chlorophyll-b

    Correct Answer: B

    Solution :

    Carotenoid pigments converts nascent oxygen into molecular oxygen and prevents photo-oxidation of chlorophylls. \[2\left[ O \right]\,\,+\,\,Carotenoid\,\,\to \,\,Epoxide\] \[\xrightarrow{Deepoxidase}\,\,{{O}^{2}}\,\,+\,\,Carotenoid\]


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