(a) Name photosynthetic pigment which can be converted into vitamin-A. (b) Name the central element present in chloroph

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Q 2703112948.     (a) Name photosynthetic pigment which can be converted into vitamin-A.
(b) Name the central element present in chlorophyll-'a' and chlorophyll-'b'.
(c) Name two carotenoid pigments.
(d) Define the term photon and quantum.
BCECE 2006 Mains

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